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{"sheet":"Single Output","index":0,"n_rows":360,"n_cols":20,"rows_kept":360,"cut":false,"hidden":false,"merged":[[4,1,4,2],[0,1,0,7],[2,1,2,2],[2,3,2,4],[3,1,3,2],[3,3,3,4],[244,2,244,7],[293,2,293,7],[5,1,5,2],[5,3,5,4],[6,1,6,2],[6,3,6,4],[63,2,63,7],[64,2,64,7]]}
[null,"Calculation tool for fixed frequency flyback converter using Gen5 CoolSET™ (Version 1.1)"]
[]
[null,"Project:"]
[null,"Application:  "]
[null,"CoolSET:",null,"ICE5AR4780BZS"]
[null,"Date:"]
[null,"Revision:"]
[]
[null,"Notes:"]
[null,"Enter design variables in yellow coloured cells"]
[null,"Read design results in green coloured cells"]
[null,"Select component values based on standard values available"]
[null,"Voltage/current rating does not include design margin, voltage spikes and transient currents."]
[null,"In the \"Output regulation\", only fill-in either isolated or non-isolated whichever is applicable."]
[null,null,null,"Description","Eq. #","Parameter","Unit","Value"]
[null,"Input, output, CoolSET™ Specs"]
[null,null,"Line input"]
[null,null,"Input","Minimum AC input voltage",null,"VACMin","[V]",85]
[null,null,"Input","Maximum AC input voltage",null,"VACMax","[V]",330," "]
[null,null,"Input","Line frequency",null,"fAC","[Hz]",60," "]
[null,null,"Input","Bus capacitor DC ripple voltage ",null,"VDCRipple","[V]",27]
[]
[null,null,"Output 1 Specs"]
[null,null,"Input","Output voltage 1",null,"VOut1","[V]",15," "]
[null,null,"Input","Output current 1",null,"IOut1","[A]",0.96299999999999997]
[null,null,"Input","Forward voltage of output diode 1",null,"VFOut1","[V]",0.6]
[null,null,"Input","Output ripple voltage 1",null,"VOutRipple1","[V]",0.2]
[null,null,"result","Output power 1",null,"POut1","[W]",{"$f":"H25*H24","v":14.445}]
[]
[null,null,"Auxiliary"]
[null,null,"Input","Vcc Voltage",null,"VVcc","[V]",14]
[null,null,"Input","Forward voltage of Vcc diode(D2) ",null,"VF Vcc","[V]",0.6," "]
[]
[null,null,"Power"]
[null,null,"Input","Efficency",null,"η",null,0.83," "]
[null,null,"result","Nominal output power",null,"POutNom","[W]",{"$f":"H28","v":14.445}]
[null,null,"Input","Maximum output power for overload protection",null,"POutMax","[W]",17,{"$f":"IF(H37<H36,\"Caution! PoutMax should be higher than PoutNom\",\"\")","v":""}]
[null,null,"result","Maximum input power for overload protection",null,"PInMax","[W]",{"$f":"H37/H35","v":20.481927710843376}," "]
[null,null,"Input","Minimum output power",null,"POutMin","[W]",2]
[]
[null,null,"Controller/CoolSET™"]
[null,null,null,"Controller/ CoolSETTM",null,null,null,{"$f":"D5","v":"ICE5AR4780BZS"}," "]
[null,null,"Input","Switching frequency ",null,"fS","[Hz]",100000," "]
[null,null,"Input","Targeted Max. Drain Source voltage",null,"VDSMax","[V]",700]
[null,null,"Input","Max. ambient temperature",null,"Tamax","[°C]",50]
[]
[null,"Diode bridge and input capacitor"]
[null,null,"Diode bridge"]
[null,null,"Input","Power factor",null,"cosϕ",null,0.6]
[null,null,"result","Maximum AC input current",null,"IACRMS","[A]",{"$f":"H38/H18/H49","v":0.4016064257028113}]
[null,null,"result","Peak voltage at VACMax",null,"VDCMaxPk","[V]",{"$f":"H$19*SQRT(2)","v":466.69047558312138}]
[]
[null,null,"Input capacitor"]
[null,null,"result","Peak voltage at VACMin",null,"VDCMinPk","[V]",{"$f":"H18*SQRT(2)","v":120.20815280171308}]
[null,null,"result","Selected minimum DC input voltage",null,"VDCMinSet","[V]",{"$f":"(H54-H21)","v":93.208152801713084}]
[null,null,"result","Discharging time at each half-line cycle",null,"TD","[ms]",{"$f":"(1000/(4*H20))*(1+(ASIN((H54-H21)/H54)*180/PI()/90))","v":6.5203874714973011}," "]
[null,null,"result","Required energy at discharging time of input capacitor",null,"WIn","[Ws]",{"$f":"H38*H56/1000","v":0.13355010483789656}]
[null,null,"result","Calculated input capacitor",null,"CINCal","[uF]",{"$f":"(2*H57/(H54^2-(H54-H21)^2))*1000000","v":46.353535782525}]
[null,null,"Input","Select input capacitor (C1)",null,"Cin","[uF]",47]
[null,null,"result","Calculated minimum DC input voltage",null,"VDCMin","[V]",{"$f":"SQRT(H54^2-2*H57/(H59*0.000001))","v":93.632349193046835}]
[]
[null,"Transformer design"]
[null,null,"Drain voltage and current waveform"]
[]
[]
[]
[null,null,"Primary inductance and winding currents"]
[null,null,"Input","Reflection voltage",null,"VRSET","[V]",97.5]
[null,null,"result","Maximum duty cycle",null,"DMax",null,{"$f":"H68/(H68+H60)","v":0.51011772947719802}]
[null,null,"Input","Select current ripple factor",null,"KRF",null,1]
[null,null,"result","Primary inductance",null,"LP","[H]",{"$f":"(H60*H69)^2/(2*H38*H43*H70)","v":5.5691876429806797E-4}]
[null,null,"result","Primary turn-on average current",null,"IAV","[A]",{"$f":"H38/(H60*H69)","v":0.42881946558376105}]
[null,null,"result","Primary peak-to-peak current",null,"ΔI","[A]",{"$f":"H60*H69/(H71*H43)","v":0.85763893116752188}]
[null,null,"result","Primary peak current",null,"IPMax","[A]",{"$f":"H72+(H73/2)","v":0.85763893116752199}]
[null,null,"result","Primary valley current",null,"IValley","[A]",{"$f":"H74-H73","v":0}]
[null,null,"result","Primary RMS current",null,"IPRMS","[A]",{"$f":"SQRT((3*H72^2+(H73/2)^2)*H69/3)","v":0.35365440228342299}]
[]
[null,null,"Select core type"]
[null,null,"Input","Select core type",null,null,null,1,null,null,1,2,3,4,5,6,7,8,9,10]
[null,null,"result","Core Type",null,null,null,{"$f":"IF($H$79=1,K80,IF($H$79=2,L80,IF($H$79=3,M80,IF($H$79=4,N80,IF($H$79=5,O80,IF($H$79=6,P80,IF($H$79=7,Q80,IF($H$79=8,R80,IF($H$79=9,S80,IF($H$79>=10,T80))))))))))","v":"EE20/10/6"},null,"Core Type","EE20/10/6","E25/13/7","E30/15/7","E32/16/9","E36/18/11","E42/21/15","ETD29/16/10","ER28/14","ER28/17"]
[null,null,"result","Core Material",null,null,null,"TP4A(TDG)",null,"Core Material","TP4A(TDG)","N87","TP4A(TDG)","N87","N87","N87","N87","TP4A(TDG)","TP4A(TDG)"]
[null,null,"result","Maximum flux density",null,"BMax ","[T]",0.2,null,"Bmax",0.2,0.2,0.25,0.2,0.2,0.2,0.2,0.2,0.2]
[null,null,"result","Cross sectional area",null,"Ae"," [mm²]",32,null,"Ae",32,52,59,83,120,178,76,82.1,81.400000000000006]
[null,null,"result","Bobbin width",null,"BW","[mm]",11,null,"BW",11,15.6,17.3,20.100000000000001,21.5,26.3,21,16,21.69]
[null,null,"result","Winding cross section",null,"AN","[mm2]",34,null,"AN",34,61,90,108.5,122.5,177,97,68.8,95.21]
[null,null,"result","Average length of turn",null,"lN ","[mm]",41.2,null,"lN",41.2,50,56,64.400000000000006,76.400000000000006,87,52.8,50,48.9]
[]
[null,null,"Winding calculation",null,null,"  ",null," "," "]
[null,null,"result","Calculated minimum number of primary turns",null,"NPCal","turns",{"$f":"H74*H71*1000000/(H82*H83)","v":74.630502149958133}," ",null,null," "]
[null,null,"Input","Select number of primary turns",null,"NP","turns",78]
[null,null,"result","Calculated number of secondary 1 turns",null,"NS1Cal","turns",{"$f":"H$90*(H$24+H$26)/H$68","v":12.479999999999999}," ",null,null," "]
[null,null,"Input","Select number of secondary 1 turns",null,"NS1","turns",12," "]
[null,null,"result","Calculated number of auxiliary turns",null,"NVccCal","turns",{"$f":"(H$31+H$32)*H90/(H99)","v":11.230769230769232},null,null,null," "]
[null,null,"Input","Select number of auxiliary turns",null,"NVcc","turns",11," "]
[null,null,"result","Calculated VCC voltage",null,"VVccCal","[V]",{"$f":"((H24+H26)*H94/H92)-H32","v":13.7}]
[]
[null,null,"Post calculation"]
[null,null,"result","Primary to secondary 1 turns ratio",null,"NPS1",null,{"$f":"H90/H92","v":6.5}]
[null,null,"result","Post calculated reflected voltage ",null,"VRPost","[V]",{"$f":"(H24+H26)*H90/H92","v":101.39999999999999}]
[null,null,"result","Post calculated maximum duty cycle",null,"DMaxPost",null,{"$f":"H99/(H99+H60)","v":0.51991374979353955}]
[null,null,"result","Duty cycle prime",null,"DMax'",null,{"$f":"H71*(H74-H75)*H43/H99","v":0.47104064473346369}]
[null,null,"result","Actual flux density",null,"BMaxAct","[T]",{"$f":"H71*H74*1000000/(H90*H$83)","v":0.19136026192296959},{"$f":"IF(H102>H82,\"Caution! Flux density too large, increase primary turns (cell H96)\",\"\")","v":""}]
[null,null,"result","Maximum DC input voltage for CCM operation",null,"VDCmaxCCM","[V]",{"$f":"((1/SQRT(2*H38*H71*H43))-(1/H99))^-1","v":90.297148354443451}]
[]
[null,null,"Transformer winding design"]
[null,null,"Input","Margin according to safety standard",null,"M","[mm]",0," "]
[null,null,"Input","Copper space factor",null,"fCu",null,0.4," ",null,null,null,null,null," "]
[null,null,"result","Effective bobbin window",null,"BWE","[mm]",{"$f":"H84-(2*H106)","v":11}]
[null,null,"result","Effective winding cross section",null,"ANe","[mm²]",{"$f":"H85*H108/H84","v":34}]
[null,null,"Input","Primary winding area factor",null,"AFNP",null,0.5," "]
[null,null,"Input","Secondary 1 winding area factor",null,"AFNS1",null,0.45," ",null,null,null,null,null," "]
[null,null,"Input","Auxiliary winding area factor",null,"AFNVcc",null,0.05,{"$f":"IF(H110+H111+H112>1,\"Caution! Total winding factor should be ≤1\", \"\")","v":""},null,null,null,null,null," "]
[]
[null,null,"Primary winding"]
[null,null,"result","Calculated wire copper cross sectional area",null,"APCal","[mm²]",{"$f":"H110*H107*H109/H90","v":8.7179487179487189E-2}]
[null,null,"result","Calculated maximum wire size",null,"AWGPCal",null,{"$f":"9.97*(1.8277-(2*LOG(2*SQRT(H115/PI()))))","v":27.740284446363646}]
[null,null,"Input","Select wire size",null,"AWGP",null,30]
[null,null,"Input","Select number of parallel wire",null,"nwP",null,1]
[null,null,"result","Wire copper diameter",null,"dP","[mm]",{"$f":"POWER(10,((1.8277/2)-(H117/2/9.97)))","v":0.25664715796727061}]
[null,null,"result","Wire copper cross sectional area",null,"AP","[mm2]",{"$f":"(POWER(10,((1.8277/2)-(H117/2/9.97)))/2)^2*PI()*H118","v":5.1732420631325771E-2},{"$f":"IF(H120>H115,\"Caution! Cross sectional area too large, reduce wire size (cell C126)\",\"\")","v":""}]
[null,null,"result","Wire current density",null,"SP","[A/mm2]",{"$f":"H76/H120","v":6.8362237445597707},{"$f":"IF(H121>8,\"Caution! Current density too high, increase wire size (cell H126)\",\"\")","v":""}]
[null,null,"Input","Insulation thickness",null,"INSP","[mm]",0.01," "]
[null,null,"result","Turns per layer",null,"NLP","turns/layer",{"$f":"MIN(ROUNDDOWN(H108/((H119+(2*H122))*H118),0),H90)","v":39}]
[null,null,"result","Number of layers",null,"LnP","layers",{"$f":"ROUNDUP(H90/H123,0)","v":2},null,null,null,null,null,null," "]
[]
[null,null,"Secondary 1 winding"]
[null,null,"result","Calculated wire copper cross sectional area",null,"ANS1Cal","[mm²]",{"$f":"H111*H107*H109/H92","v":0.51000000000000012}]
[null,null,"result","Calculated maximum wire size",null,"AWGS1Cal",null,{"$f":"9.97*(1.8277-(2*LOG(2*SQRT(H127/PI()))))","v":20.091740461524303}]
[null,null,"Input","Select wire size",null,"AWGS1",null,25]
[null,null,"Input","Select number of parallel wire",null,"nwS1",null,2]
[null,null,"result","Wire copper diameter",null,"dS1","[mm]",{"$f":"POWER(10,((1.8277/2)-(H129/2/9.97)))","v":0.45718157151925753}]
[null,null,"result","Wire copper cross sectional area",null,"AS1","[mm2]",{"$f":"PI()*H131^2*H130/4","v":0.32831997749534819},{"$f":"IF(H132>H127,\"Caution! Cross sectional area too large, reduce wire size (cell C138)\",\"\")","v":""}]
[null,null,"result","Peak current",null,"IS1Max","[A]",{"$f":"H74*H98","v":5.5746530525888929}]
[null,null,"result","RMS current",null,"IS1RMS","[A]",{"$f":"H76*SQRT((1-H100)/H100)*H98","v":2.2089526546771086}]
[null,null,"result","Wire current density",null,"SS1","[A/mm2]",{"$f":"H134/H132","v":6.7280482641614645},{"$f":"IF(H135>8,\"Caution! Current density too high, increase wire size (cell H138)\",\"\")","v":""}]
[null,null,"Input","Insulation thickness",null,"INSS1","[mm]",0.01]
[null,null,"result","Turns per layer",null,"NLS1","turns/layer",{"$f":"MIN(ROUNDDOWN(H108/((H131+(2*H136))*H130),0),H92)","v":11}]
[null,null,"result","Number of layers",null,"LnS1","layers",{"$f":"ROUNDUP(H92/H137,0)","v":2},null,null,null,null,null,null," "]
[]
[]
[null,"RCD clamper and current sense resistor"]
[null,null,"RCD clamper circuit"]
[null,null,"Input","Leakage inductance percentage",null,"LLK%","[%]",2.5," "]
[null,null,"result","Leakage inductance ",null,"LLK","[H]",{"$f":"H143*H71/100","v":1.39229691074517E-5}]
[null,null,"result","Clamping voltage",null,"VClamp","[V]",{"$f":"H44-H51-H99","v":131.90952441687864}]
[null,null,"result","Calculated clamping capacitor",null,"CClampCal","[nF]",{"$f":"H144*H74^2/((H145*(H99+H145)))*1000000000","v":0.33276083881813684}]
[null,null,"Input","Select clamping capacitor value (C2)",null,"Cclamp","[nF]",1]
[null,null,"result","Calculated clamping resistor",null,"RclampCal","[kΩ]",{"$f":"((H99+H145)^2-H99^2)/(H144*H74^2*H43*0.5*1000)","v":86.225036640971695}]
[null,null,"Input","Select clamping resistor value (R4)",null,"Rclamp","[kΩ]",68]
[]
[null,null,"Current sense resistor"]
[null,null,"Input","Current sense threshold value from datasheet",null,"VCS_N","[V]",0.8]
[null,null,"result","Calculated current sense resistor (R8A, R8B)",null,"Rsense","[Ω]",{"$f":"H152/H74","v":0.93279347628371201}]
[]
[null,"Ouput rectifier"]
[null,null,"Secondary 1 Output rectifier"]
[null,null,"result","Diode reverse voltage",null,"VRDiode1","[V]",{"$f":"H24+(H51/H98)","v":86.798534705095591}]
[null,null,"result","Diode RMS current",null,"IS 1RMS","[A]",{"$f":"H134","v":2.2089526546771086}]
[null,null,"Input","Max voltage undershoot at output capacitor",null,"ΔVOut1","[V]",0.3]
[null,null,"Input","Number of clock periods",null,"ncp1",null,20]
[null,null,"result","Output capacitor ripple current",null,"IRipple1","[A]",{"$f":"SQRT(H158^2-H25^2)","v":1.9879896454974419}]
[null,null,"result","Calculated minimum output capacitor",null,"COut1Cal","[uF]",{"$f":"(H25*H160/(H159*H43))*1000000","v":641.99999999999989}]
[null,null,"Input","Select output capacitor value (C152)",null,"COut1","[uF]",680]
[null,null,"Input","ESR (Zmax) value from datasheet @ 100kHz",null,"RESR1","[Ω]",3.2000000000000001E-2]
[null,null,"Input","Number of parallel capacitors",null,"ncCOut1",null,1]
[null,null,"result","Zero frequency of output capacitor",null,"fZCOut1","[Khz]",{"$f":"1/(2*PI()*H164*H163*10^(-6)*1000)","v":7.3141058406201909}]
[null,null,"result","First stage ripple voltage",null,"VRipple1","[V]",{"$f":"H133*H164/H165","v":0.17838889768284458}]
[null,null,"Input","Select LC filter inductor value (L151)",null,"Lout1","[uH]",2.2000000000000002]
[null,null,"result","Calculated LC filter capacitor",null,"CLCCal1"," [uF]",{"$f":"(H164*H163)^2/H168","v":215.22618181818183}]
[null,null,"Input","Select LC filter capacitor value (C153)",null,"CLC1","[uF]",680]
[null,null,"result","LC filter frequency",null,"fLC1","[Khz]",{"$f":"1/(1000*2*PI()*SQRT((H168*10^-6*H170*10^-6)))","v":4.1148530937338448}]
[null,null,"result","Second stage ripple voltage",null,"V2ndRipple1","[mV]",{"$f":"(H167*(1/(2*PI()*H43*H170*10^-6))/((1/(2*PI()*H43*H170*10^-6))+(2*PI()*H43*H168*10^-6)))*1000","v":0.30153780238681421}]
[]
[null,"Vcc diode and capacitor"]
[null,null,"Vcc diode and capacitor"]
[null,null,"result","Auxiliary diode reverse voltage (D2)",null,"VRDiodeVCC","[V]",{"$f":"H95+(H51*H94/H90)","v":79.515323479670968}]
[null,null,"Input","Soft-start time from datasheet",null,"tss","[ms]",12]
[null,null,"Input","IVCC,normal2 from datasheet",null,"IVCC_normal2","[mA]",3]
[null,null,"Input","VCC on threshold",null,"VVCC_ON","[V]",16]
[null,null,"Input","VCC off threshold",null,"VVCC_OFF","[V]",10]
[null,null,"result","Calculated VCC capacitor",null,"CVCCCal","[uF]",{"$f":"H178*H177/(H179-H180)","v":6}]
[null,null,"Input","Select Vcc capacitor (C3)",null,"CVCC","[uF]",22]
[null,null,"Input","VCC short threshold from datasheet",null,"VVCC_SCP","[V]",1.1000000000000001]
[null,null,"Input","IVCC_Charge1 from datasheet",null,"IVCC_Charge1","[mA]",0.2]
[null,null,"result","Start up time",null,"tStartUp","[ms]",{"$f":"H183*H182/H184+(H179-H183)*H182/H178","v":230.26666666666668}]
[]
[null,"Calculation of losses"]
[null,null,"Input diode bridge"]
[null,null,"Input","Diode bridge forward voltage",null,"VFBR","[V]",1]
[null,null,"result","Diode bridge power loss",null,"PDIN","[W]",{"$f":"H50*H189*2","v":0.8032128514056226}]
[]
[null,null,"Transformer copper"]
[null,null,"result","Primary winding copper resistance",null,"RPCu","[mΩ]",{"$f":"H86*0.001*H90*17.2/H120","v":1068.4580254597583}]
[null,null,"result","Secondary 1 winding copper resistance",null,"RS1Cu","[mΩ]",{"$f":"H86*0.001*H92*17.2/H132","v":25.900586570673983}]
[null,null,"result","Primary winding copper loss",null,"PPCu","[mW]",{"$f":"H76^2*H193","v":133.63357982184053}]
[null,null,"result","Secondary 1 winding copper loss",null,"PS1Cu","[mW]",{"$f":"H158^2*H194","v":126.38118256775103}]
[null,null,"result","Total transformer copper loss",null,"PCu","[W]",{"$f":"SUM(H195:H196)/1000","v":0.26001476238959159}]
[]
[null,null,"Output rectifier diode"]
[null,null,"result","Secondary 1 diode loss",null,"PDiode1","[W]",{"$f":"H158*H26","v":1.325371592806265}]
[]
[null,null,"RCD clamper circuit"]
[null,null,"result","RCD clamper loss",null,"PClamper","[W]",{"$f":"0.5*H144*H74^2*H43*(H145+H99)/H145","v":0.90566409713063523}]
[]
[null,null,"Current sense resistor"]
[null,null,"result","Current sense resistor loss",null,"PCS","[W]",{"$f":"H76^2*H153","v":0.11666581980758059}]
[]
[null,null,"MOSFET "]
[null,null,"Input","RDSON from datasheet ",null,"RDSON @ TA=125°C","[Ω]",8.69]
[null,null,"Input","Co(er) from datasheet ",null,"Co(er)","[pF]",3]
[null,null,"Input","External drain to source capacitance",null,"CDS","[pF]",0]
[null,null,"result","Switch on loss at minimum AC input voltage",null,"PSONMinAC","[W]",{"$f":"0.5*(H210+H211)*10^-12*(H60+H99)^2*H43","v":5.7056425847637829E-3}]
[null,null,"result","Conduction loss at minimum AC input voltage",null,"PcondMinAC","[W]",{"$f":"H76^2*H209","v":1.0868707810511284}]
[null,null,"result","Total MOSFET loss at minimum AC input voltage",null,"PMOSMinAC","[W]",{"$f":"SUM(H212:H213)","v":1.0925764236358921}]
[null,null,"result","Switch on loss at maximum AC input voltage",null,"PSONMaxAC","[W]",{"$f":"0.5*(H210+H211)*10^-12*(H51+H99)^2*H43","v":4.8409018267238556E-2}]
[null,null,"result","Conduction loss at maximum AC input voltage",null,"PcondMaxAC","[W]",{"$f":"(1/3)*H209*H74^2*H71*H74*H43/H51","v":0.21805944158586846}]
[null,null,"result","Total MOSFET loss at maximum AC input voltage",null,"PMOSMaxAC","[W]",{"$f":"SUM(H215:H216)","v":0.26646845985310702}]
[null,null,"result","Total MOSFET loss (from minimum or maximum AC)",null,"PMOS","[W]",{"$f":"MAX(H214,H217)","v":1.0925764236358921}]
[]
[null,null,"Controller"]
[null,null,"Input","Controller current consumption",null,"IVCC_Normal","[mA]",0.9]
[null,null,"result","Controller loss",null,"PCtrl","[W]",{"$f":"H95*H221*10^-3","v":1.2330000000000001E-2}]
[]
[null,null,"Efficiency after Losses "]
[null,null,"result","Total power loss",null,"PLosses","[W]",{"$f":"SUM(H190+H197+H200+H203+H206+H218+H222)","v":4.5158355471755875}]
[null,null,"result","Post calculated efficiency",null,"ηPost","%",{"$f":"H37/(H37+H225)","v":0.79011572489136317}]
[]
[null,"CoolSET™/MOSFET temperature"]
[null,null,"CoolSET™/MOSFET temperature"]
[null,null,"Input","Enter thermal resistance junction-ambient (include copper pour)",null,"RthJA_As","[°K/W]",65]
[null,null,"result","Temperature rise",null,"ΔT","[°K]",{"$f":"H230*H218","v":71.017467536332987}]
[null,null,"result","Junction temperature at Tamax",null,"Tjmax","°C",{"$f":"H45+H231","v":121.01746753633299},{"$f":"IF(H232>125, \"Caution! Junction temperature too high. Make sure to add a copper pour (as heatsink) on DRAIN pin.\",\"\")","v":""}]
[]
[null,"Line OVP"]
[null,null,"Line OVP"]
[null,null,"Input","Select AC input LOVP",null,"VOVP_AC","[VAC]"]
[null,null,"Input","High side DC input voltage divider resistor",null,"RI1","[MΩ]"]
[null,null,"Input","Controller LOVP threshold",null,"VVIN_LOVP","[V]",2.85]
[null,null,"result","Low side DC input voltage divider resistor","Eq 109","RI2Cal","[kΩ]",{"$f":"H237*1000000*H238/((H236*SQRT(2))-H238)/1000","v":0}]
[null,null,"Input","Select low side  DC input voltage divider resistor",null,"RI2","[kΩ]"]
[null,null,"result","Post calculated LOVP","Eq 110","VOVP_ACPost","[VAC]",{"$f":"H238/(H240*1000)*((H240*1000)+H237*1000000)/SQRT(2)","v":{"$error":"#DIV/0!"}}]
[]
[null,"Output regulation (isolated using TL431 and optocoupler)"]
[null,null,"Isolated feedback circuit"]
[]
[]
[null,null,"Output regulation"]
[null,null,"Input","TL431 reference voltage",null,"VREF_TL","[V]",2.5]
[null,null,"Input","Current for voltage divider resistor R26",null,"IR26","[mA]",0.25]
[null,null,"result","Calculated voltage divider resistor",null,"R26Cal","[kΩ]",{"$f":"(H248/(H249*10^-3))/10^3","v":10}]
[null,null,"Input","Selec voltage divider resistor value",null,"R26","[kΩ]",10]
[null,null,"result","Calculated voltage divider resistor",null,"R25Cal","[kΩ]",{"$f":"((H24-H248)/(H249))","v":50}]
[null,null,"Input","Selec voltage divider resistor value",null,"R25","[kΩ]",50]
[]
[null,null,"Optocoupler and TL431 bias"]
[null,null,"Input","Current transfer ratio (CTR)",null,"GC","[%]",2]
[null,null,"Input","Optocoupler diode forward voltage",null,"VFOpto","[V]",1.25]
[null,null,"Input","Maximum current for optocoupler diode",null,"IFmax","[mA]",50]
[null,null,"Input","Minimum current for TL431",null,"IKAmin","[mA]",1]
[null,null,"result","Calculated minimum optocoupler bias resistance",null,"R22Cal","[kΩ]",{"$f":"(H24-H248-H257)/H258","v":0.22500000000000001}]
[null,null,"Input","Select optocoupler bias resistor",null,"R22","[kΩ]",0.82]
[null,null,"Input","FB pull up reference voltage VREF from datasheet ",null,"VREF","[V]",3.3]
[null,null,"Input","VFB_OLP from datasheet",null,"VFB_OLP","[V]",2.75]
[null,null,"Input","RFB from datasheet ",null,"RFB","[kΩ]",15]
[null,null,"result","Calculated maximum TL431 bias resistance",null,"R23Cal","[kΩ]",{"$f":"(H257+(H261*((H262-H263)/H264)/H256))/H259","v":1.2650333333333332}]
[null,null,"Input","selected TL431 bias resistor",null,"R23","[kΩ]",1.2]
[]
[null,null,"Regulation loop "]
[null,null,"result","Feedback transfer characteristic",null,"KFB",null,{"$f":"H256*H264/(H261)","v":36.585365853658537}]
[null,null,"result","Gain of feedback transfer characteristic",null,"GFB","[db]",{"$f":"LOG10(H269)*20","v":31.266148046718914}]
[null,null,"result","Voltage divider transfer characteristic",null,"KVD",null,{"$f":"H248/H24","v":0.16666666666666666}]
[null,null,"result","Gain of voltage divider transfer characteristic",null,"GVD","[db]",{"$f":"LOG10(H271)*20","v":-15.563025007672874}]
[null,null,"result","Resistance at maximum load pole",null,"RLH","[Ω]",{"$f":"H24^2/H37","v":13.235294117647058}]
[null,null,"result","Resistance at minimum load pole",null,"RLL","[Ω]",{"$f":"H24^2/H39","v":112.5}]
[null,null,"result","Poles of power stage at maximum load pole",null,"fOH","[Hz]",{"$f":"1/(PI()*(H273*H163*H165))*1000000","v":35.367765131532302}]
[null,null,"result","Poles of power stage at minimum load pole",null,"fOL","[Hz]",{"$f":"1/(PI()*(H274*H163*H165))*1000000","v":4.1609135448861529}]
[null,null,"result","Zero frequency of the compensation network",null,"fOM","[Hz]",{"$f":"H275*POWER(10,0.5*LOG10(H276/H275))","v":12.131043359420692}]
[null,null,"Input","Zero dB crossover frequency",null,"fg","[kHz]",3]
[null,null,"Input","PWM-OP Gain from datasheet",null,"AV",null,2.0299999999999998]
[null,null,"result","Transient impedance",null,"ZPWM","[V/A]",{"$f":"H279*H153/H152","v":2.3669634460699189}]
[null,null,"result","Power stage at crossover frequency",null,"|FPWR(fg)|",null,{"$f":"(1/H280)*(SQRT(H273*H71*H43*H35/2))/(SQRT(1+(H278*1000/H275)^2))","v":8.7106668882146784E-2}]
[null,null,"result","Gain of power stage at crossover frequency",null,"GPWR(fg)","[db]",{"$f":"LOG10(H281)*20","v":-21.198971883119921}]
[null,null,"result","Gain of the regulation loop at fg",null,"Gs(ω)","[db]",{"$f":"(H270+H272+H282)","v":-5.4958488440738797}]
[null,null,"result","Separated components of the regulator",null,"Gr(ω)","[db]",{"$f":"0-(H270+H272+H282)","v":5.4958488440738797}]
[null,null,"result","Calculated resistance value of compensation network",null,"R24Cal","[kΩ]",{"$f":"POWER(10,H284/20)*(H253*H251/(H251+H253))","v":15.689575599725133}]
[null,null,"Input","Select resistor value of compesation network",null,"R24","[kΩ]",16]
[null,null,"result","Calculated capacitance value of compensation network",null,"C26Cal","[nF]",{"$f":"(1/(2*PI()*H286*10^3*H278*10^3))*10^9","v":3.3157279810811531}]
[null,null,"Input","Select capacitor value of compesation network",null,"C26","[nF]",3.3]
[null,null,"result","Calculated capacitance value of compensation network",null,"C25Cal","[nF]",{"$f":"((1/(2*PI()*H286*1000*H277))-H288*10^(-9))*10^9","v":816.67761021262061}]
[null,null,"Input","Select capacitor value of compesation network",null,"C25","[nF]",820]
[]
[null,"Output regulation (non-isolated)"]
[null,null,"Non-isolated feedback circuit on VERR pin"]
[]
[]
[null,null,"Output regulation"]
[null,null,"Input","Error amplifier reference voltage",null,"VERR_REF","[V]",1.8]
[null,null,"Input","Select voltage divider RO1 (R11)",null,"RO1","[kΩ]",39]
[null,null,"result","Calculated voltage divider RO2",null,"RO2Cal","[kΩ]",{"$f":"(H24-H297)/(H297/H298)","v":285.99999999999994}]
[null,null,"Input","Select voltage divider RO2 (R153)",null,"RO2","[kΩ]",286]
[]
[null,"Final Design"]
[null,null,"Electrical"]
[null,null,null,"Minimum AC Voltage",null,null,"[V]",{"$f":"H18","v":85}]
[null,null,null,"Maximum AC Voltage",null,null,"[V]",{"$f":"H19","v":330}]
[null,null,null,"Maximum Input Current",null,null,"[A]",{"$f":"H38/H18","v":0.24096385542168677}]
[null,null,null,"Minimum DC Voltage",null,null,"[V]",{"$f":"H60","v":93.632349193046835}]
[null,null,null,"Maximum DC Voltage",null,null,"[V]",{"$f":"H51","v":466.69047558312138}]
[null,null,null,"Maximum Output Power",null,null,"[W]",{"$f":"H37","v":17}]
[null,null,null,"Output Voltage 1",null,null,"[V]",{"$f":"H24","v":15}]
[null,null,null,"Output Ripple Voltage 1",null,null,"[mV]",{"$f":"H172","v":0.30153780238681421}]
[null,null,null,"Transformer Peak Current",null,null,"[A]",{"$f":"H74","v":0.85763893116752199}]
[null,null,null,"Maximum Duty Cycle",null,null,null,{"$f":"H100","v":0.51991374979353955}]
[null,null,null,"Reflected Voltage",null,null,"[V]",{"$f":"H99","v":101.39999999999999}]
[null,null,null,"Copper Losses",null,null,"[W]",{"$f":"H197","v":0.26001476238959159}]
[null,null,null,"MOSFET Losses",null,null,"[W]",{"$f":"H214","v":1.0925764236358921}]
[null,null,null,"Sum Losses",null,null,"[W]",{"$f":"H225","v":4.5158355471755875}]
[null,null,null,"Efficiency",null,null,"[%]",{"$f":"H226","v":0.79011572489136317}]
[]
[null,null,"Transformer"]
[null,null,null,"Core Type",null,null,null,{"$f":"H80","v":"EE20/10/6"}]
[null,null,null,"Core Material",null,null,null,{"$f":"H81","v":"TP4A(TDG)"}]
[null,null,null,"Effective Core Area",null,null,"[mm2]",{"$f":"H83","v":32}]
[null,null,null,"Maximum Flux Density",null,null,"[mT]",{"$f":"H102*1000","v":191.36026192296958}]
[null,null,null,"Inductance",null,null,"[uH]",{"$f":"H71*1000000","v":556.91876429806803}]
[null,null,null,"Margin",null,null,"[mm]",{"$f":"H106","v":0}]
[null,null,null,"Primary Turns",null,null,"turns",{"$f":"H90","v":78}]
[null,null,null,"Primary Copper Wire Size",null,null,"AWG",{"$f":"H117","v":30}]
[null,null,null,"Number of Primary Copper Wire in Parallel",null,null,null,{"$f":"H118","v":1}]
[null,null,null,"Primary Layers",null,null,"layer",{"$f":"H124","v":2}]
[null,null,null,"Secondary 1 Turns(NS1)",null,null,"turns",{"$f":"H92","v":12}]
[null,null,null,"Secondary 1 Copper Wire Size",null,null,"AWG",{"$f":"H129","v":25}]
[null,null,null,"Number of Secondary 1 Copper Wire in Parallel",null,null,null,{"$f":"H130","v":2}]
[null,null,null,"Secondary 1 Layers",null,null,"layer",{"$f":"H138","v":2}]
[null,null,null,"Auxiliary Turns",null,null,"turns",{"$f":"H94","v":11}]
[null,null,null,"Leakage Inductance",null,null,"[uH]",{"$f":"H144*1000000","v":13.922969107451699}]
[]
[null,null,"Components"]
[null,null,null,"Input Capacitor (C1)",null,null,"[uF]",{"$f":"H59","v":47}]
[null,null,null,"Secondary 1 Output Capacitor (C152)",null,null,"[uF]",{"$f":"H163","v":680}]
[null,null,null,"Secondary 1 Output Capacitor in Parallel",null,null,null,{"$f":"H165","v":1}]
[null,null,null,"Secondary 1 LC Filter Inductor (L151)",null,null,"[uH]",{"$f":"H168","v":2.2000000000000002}]
[null,null,null,"Secondary 1 LC Filter Capacitor (C153)",null,null,"[uF]",{"$f":"H170","v":680}]
[null,null,null,"VCC Capacitor (C3)",null,null,"[uF]",{"$f":"H182","v":22}]
[null,null,null,"Sense Resistor (R8A, R8B)",null,null,"[Ω]",{"$f":"H153","v":0.93279347628371201}]
[null,null,null,"Clamping Resistor (R4)",null,null,"[kΩ]",{"$f":"H149","v":68}]
[null,null,null,"Clamping Capacitor (C2)",null,null,"[nF]",{"$f":"H147","v":1}]
[]
[null,null,"Regulation components (isolated using TL431 and optocoupler)"]
[null,null,null,"Voltage divider",null,"R26","[kΩ]",{"$f":"H251","v":10}]
[null,null,null,"Voltage divider (Vout1 sense)",null,"R25","[kΩ]",{"$f":"H253","v":50}]
[null,null,null,"Optocoupler bias resistor",null,"R22","[kΩ]",{"$f":"H261","v":0.82}]
[null,null,null,"TL431 bias resistor",null,"R23","[kΩ]",{"$f":"H266","v":1.2}]
[null,null,null,"Compensation network resistor",null,"R24","[kΩ]",{"$f":"H286","v":16}]
[null,null,null,"Compensation network capacitor",null,"C26","[nF]",{"$f":"H288","v":3.3}]
[null,null,null,"Compensation network capacitor",null,"C25","[nF]",{"$f":"H290","v":820}]
[]
[null,null,"Regulation components (non-isolated)"]
[null,null,null,"Voltage divider (R11)",null,"RO1","[kΩ]",{"$f":"H298","v":39}]
[null,null,null,"Voltage divider (Vout1 sense) (R153)",null,"RO2","[kΩ]",{"$f":"H300","v":286}]

{"sheet":"Dual Output","index":1,"n_rows":427,"n_cols":20,"rows_kept":427,"cut":false,"hidden":false,"merged":[[0,1,0,7],[293,2,293,7],[345,2,345,7],[74,2,74,7],[73,2,73,7],[2,1,2,2],[3,1,3,2],[4,1,4,2],[5,1,5,2],[6,1,6,2],[2,3,2,4],[3,3,3,4],[5,3,5,4],[6,3,6,4]]}
[null,"Calculation tool for fixed frequency flyback converter using Gen5 CoolSET™ (Version 1.1)"]
[]
[null,"Project:"]
[null,"Application:  "]
[null,"CoolSET:",null,"ICE5AR4780BZS"]
[null,"Date:"]
[null,"Revision:"]
[]
[null,"Notes:"]
[null,"Enter design variables in yellow coloured cells"]
[null,"Read design results in green coloured cells"]
[null,"Equation numbers are according to the Design Guide"]
[null,"Select component values based on standard values available"]
[null,"Voltage/current rating does not include design margin, voltage spikes and transient currents."]
[null,"In the \"Output regulation\", only fill-in either isolated or non-isolated whichever is applicable."]
[null,null,null,"Description","Eq. #","Parameter","Unit","Value"]
[null,"Input, output, CoolSET™ Specs"]
[null,null,"Line input"]
[null,null,"Input","Minimum AC input voltage",null,"VACMin","[V]",85]
[null,null,"Input","Maximum AC input voltage",null,"VACMax","[V]",330," "]
[null,null,"Input","Line frequency",null,"fAC","[Hz]",60," "]
[null,null,"Input","Bus capacitor DC ripple voltage ",null,"VDCRipple","[V]",27]
[]
[null,null,"Output 1 Specs"]
[null,null,"Input","Output voltage 1",null,"VOut1","[V]",15," "]
[null,null,"Input","Output current 1",null,"IOut1","[A]",0.83]
[null,null,"Input","Forward voltage of output diode 1",null,"VFOut1","[V]",0.6]
[null,null,"Input","Output ripple voltage 1",null,"VOutRipple1","[V]",0.2]
[null,null,"result","Output power 1","Eq 001","POut1","[W]",{"$f":"H26*H25","v":12.45}]
[null,null,"result","Output load weight 1","Eq 004","KL1",null,{"$f":"H25*H26/H46","v":0.86159169550173009}]
[]
[null,null,"Output 2 Specs "]
[null,null,"Input","Output voltage 2",null,"VOut2","[V]",5]
[null,null,"Input","Output current 2",null,"IOut2","[A]",0.4]
[null,null,"Input","Forward voltage of output diode 2",null,"VFOut2","[V]",0.2]
[null,null,"Input","Output ripple voltage 2",null,"VOutRipple2","[V]",0.2]
[null,null,"result","Output power 2","Eq 002","POut2","[W]",{"$f":"H34*H33","v":2}]
[null,null,"result","Output load weight 2","Eq 005","KL2",null,{"$f":"H33*H34/H46","v":0.13840830449826991}]
[]
[null,null,"Auxiliary"]
[null,null,"Input","Vcc Voltage",null,"VVcc","[V]",14]
[null,null,"Input","Forward voltage of Vcc diode(D2) ",null,"VF Vcc","[V]",0.6," "]
[]
[null,null,"Power"]
[null,null,"Input","Efficency",null,"η",null,0.83," "]
[null,null,"result","Nominal output power","Eq 003","POutNom","[W]",{"$f":"(H25*H26)+(H33*H34)","v":14.45}]
[null,null,"Input","Maximum output power for overload protection",null,"POutMax","[W]",17,{"$f":"IF(H47<H46,\"Caution! PoutMax should be higher than PoutNom\",\"\")","v":""}]
[null,null,"result","Maximum input power for overload protection","Eq 006","PInMax","[W]",{"$f":"H47/H45","v":20.481927710843376}," "]
[null,null,"Input","Minimum output power",null,"POutMin","[W]",2]
[]
[null,null,"Controller/CoolSET™"]
[null,null,null,"Controller/ CoolSETTM",null,null,null,{"$f":"D5","v":"ICE5AR4780BZS"}," "]
[null,null,"Input","Switching frequency ",null,"fS","[Hz]",100000," "]
[null,null,"Input","Targeted Max. Drain Source voltage",null,"VDSMax","[V]",700]
[null,null,"Input","Max. ambient temperature",null,"Tamax","[°C]",50]
[]
[null,"Diode bridge and input capacitor"]
[null,null,"Diode bridge"]
[null,null,"Input","Power factor",null,"cosϕ",null,0.6]
[null,null,"result","Maximum AC input current","Eq 007","IACRMS","[A]",{"$f":"H48/H19/H59","v":0.4016064257028113}]
[null,null,"result","Peak voltage at VACMax","Eq 008","VDCMaxPk","[V]",{"$f":"H$20*SQRT(2)","v":466.69047558312138}]
[]
[null,null,"Input capacitor"]
[null,null,"result","Peak voltage at VACMin","Eq 009","VDCMinPk","[V]",{"$f":"H19*SQRT(2)","v":120.20815280171308}]
[null,null,"result","Selected minimum DC input voltage","Eq 010","VDCMinSet","[V]",{"$f":"(H64-H22)","v":93.208152801713084}]
[null,null,"result","Discharging time at each half-line cycle","Eq 011","TD","[ms]",{"$f":"(1000/(4*H21))*(1+(ASIN((H64-H22)/H64)*180/PI()/90))","v":6.5203874714973011}," "]
[null,null,"result","Required energy at discharging time of input capacitor","Eq 012","WIn","[Ws]",{"$f":"H48*H66/1000","v":0.13355010483789656}]
[null,null,"result","Calculated input capacitor","Eq 013","CINCal","[uF]",{"$f":"(2*H67/(H64^2-(H64-H22)^2))*1000000","v":46.353535782525}]
[null,null,"Input","Select input capacitor (C1)",null,"Cin","[uF]",47]
[null,null,"result","Calculated minimum DC input voltage","Eq 015","VDCMin","[V]",{"$f":"SQRT(H64^2-2*H67/(H69*0.000001))","v":93.632349193046835}]
[]
[null,"Transformer design"]
[null,null,"Drain voltage and current waveform"]
[]
[]
[]
[null,null,"Primary inductance and winding currents"]
[null,null,"Input","Reflection voltage",null,"VRSET","[V]",97.5]
[null,null,"result","Maximum duty cycle","Eq 016","DMax",null,{"$f":"H78/(H78+H70)","v":0.51011772947719802}]
[null,null,"Input","Select current ripple factor",null,"KRF",null,1]
[null,null,"result","Primary inductance","Eq 017","LP","[H]",{"$f":"(H70*H79)^2/(2*H48*H53*H80)","v":5.5691876429806797E-4}]
[null,null,"result","Primary turn-on average current","Eq 018","IAV","[A]",{"$f":"H48/(H70*H79)","v":0.42881946558376105}]
[null,null,"result","Primary peak-to-peak current","Eq 019","ΔI","[A]",{"$f":"H70*H79/(H81*H53)","v":0.85763893116752188}]
[null,null,"result","Primary peak current","Eq 020","IPMax","[A]",{"$f":"H82+(H83/2)","v":0.85763893116752199}]
[null,null,"result","Primary valley current","Eq 021","IValley","[A]",{"$f":"H84-H83","v":0}]
[null,null,"result","Primary RMS current","Eq 022","IPRMS","[A]",{"$f":"SQRT((3*H82^2+(H83/2)^2)*H79/3)","v":0.35365440228342299}]
[]
[null,null,"Select core type"]
[null,null,"Input","Select core type",null,null,null,1,null,null,1,2,3,4,5,6,7,8,9,10]
[null,null,"result","Core Type",null,null,null,{"$f":"IF($H$89=1,K90,IF($H$89=2,L90,IF($H$89=3,M90,IF($H$89=4,N90,IF($H$89=5,O90,IF($H$89=6,P90,IF($H$89=7,Q90,IF($H$89=8,R90,IF($H$89=9,S90,IF($H$89>=10,T90))))))))))","v":"EE20/10/6"},null,"Core Type","EE20/10/6","E25/13/7","E30/15/7","E32/16/9","E36/18/11","E42/21/15","ETD29/16/10","ER28/14","ER28/17"]
[null,null,"result","Core Material",null,null,null,"TP4A(TDG)",null,"Core Material","TP4A(TDG)","N87","TP4A(TDG)","N87","N87","N87","N87","TP4A(TDG)","TP4A(TDG)"]
[null,null,"result","Maximum flux density",null,"BMax ","[T]",0.2,null,"Bmax",0.2,0.2,0.25,0.2,0.2,0.2,0.2,0.2,0.2]
[null,null,"result","Cross sectional area",null,"Ae"," [mm²]",32,null,"Ae",32,52,59,83,120,178,76,82.1,81.400000000000006]
[null,null,"result","Bobbin width",null,"BW","[mm]",11,null,"BW",11,15.6,17.3,20.100000000000001,21.5,26.3,21,16,21.69]
[null,null,"result","Winding cross section",null,"AN","[mm2]",34,null,"AN",34,61,90,108.5,122.5,177,97,68.8,95.21]
[null,null,"result","Average length of turn",null,"lN ","[mm]",41.2,null,"lN",41.2,50,56,64.400000000000006,76.400000000000006,87,52.8,50,48.9]
[]
[null,null,"Winding calculation",null,null,"  ",null," "," "]
[null,null,"result","Calculated minimum number of primary turns","Eq 023","NPCal","turns",{"$f":"H84*H81*1000000/(H92*H93)","v":74.630502149958133}," ",null,null," "]
[null,null,"Input","Select number of primary turns",null,"NP","turns",78]
[null,null,"result","Calculated number of secondary 1 turns","Eq 024","NS1Cal","turns",{"$f":"H$100*(H$25+H$27)/H$78","v":12.479999999999999}," ",null,null," "]
[null,null,"Input","Select number of secondary 1 turns",null,"NS1","turns",12," "]
[null,null,"result","Calculated number of secondary 2 turns","Eq 025","NS2Cal","turns",{"$f":"H$100*(H$33+H$35)/H$78","v":4.16}]
[null,null,"Input","Select number of secondary 2 turns",null,"NS2","turns",4]
[null,null,"result","Calculated number of auxiliary turns","Eq 026","NVccCal","turns",{"$f":"(H$41+H$42)*H100/(H112)","v":11.230769230769232},null,null,null," "]
[null,null,"Input","Select number of auxiliary turns",null,"NVcc","turns",11," "]
[null,null,"result","Calculated VCC voltage","Eq 027","VVccCal","[V]",{"$f":"((H25+H27)*H106/H102)-H42","v":13.7}]
[]
[null,null,"Post calculation"]
[null,null,"result","Primary to secondary 1 turns ratio","Eq 028","NPS1",null,{"$f":"H100/H102","v":6.5}]
[null,null,"result","Primary to secondary 2 turns ratio","Eq 029","NPS2",null,{"$f":"H100/H104","v":19.5}]
[null,null,"result","Post calculated reflected voltage ","Eq 030","VRPost","[V]",{"$f":"(H25+H27)*H100/H102","v":101.39999999999999}]
[null,null,"result","Post calculated maximum duty cycle","Eq 031","DMaxPost",null,{"$f":"H112/(H112+H70)","v":0.51991374979353955}]
[null,null,"result","Duty cycle prime","Eq 032","DMax'",null,{"$f":"H81*(H84-H85)*H53/H112","v":0.47104064473346369}]
[null,null,"result","Actual flux density","Eq 033","BMaxAct","[T]",{"$f":"H81*H84*1000000/(H100*H$93)","v":0.19136026192296959},{"$f":"IF(H115>H92,\"Caution! Flux density too large, increase primary turns (cell H96)\",\"\")","v":""}]
[null,null,"result","Maximum DC input voltage for CCM operation","Eq 034","VDCmaxCCM","[V]",{"$f":"((1/SQRT(2*H48*H81*H53))-(1/H112))^-1","v":90.297148354443451}]
[]
[null,null,"Transformer winding design"]
[null,null,"Input","Margin according to safety standard",null,"M","[mm]",0," "]
[null,null,"Input","Copper space factor",null,"fCu",null,0.4," ",null,null,null,null,null," "]
[null,null,"result","Effective bobbin window","Eq 035","BWE","[mm]",{"$f":"H94-(2*H119)","v":11}]
[null,null,"result","Effective winding cross section","Eq 036","ANe","[mm²]",{"$f":"H95*H121/H94","v":34}]
[null,null,"Input","Primary winding area factor",null,"AFNP",null,0.5," "]
[null,null,"Input","Secondary 1 winding area factor",null,"AFNS1",null,0.3," ",null,null,null,null,null," "]
[null,null,"Input","Secondary 2 winding area factor",null,"AFNS2",null,0.15," "]
[null,null,"Input","Auxiliary winding area factor",null,"AFNVcc",null,0.05,{"$f":"IF(H123+H124+H125+H126>1,\"Caution! Total winding factor should be ≤1\", \"\")","v":""},null,null,null,null,null," "]
[]
[null,null,"Primary winding"]
[null,null,"result","Calculated wire copper cross sectional area","Eq 037","APCal","[mm²]",{"$f":"H123*H120*H122/H100","v":8.7179487179487189E-2}]
[null,null,"result","Calculated maximum wire size","Eq 038","AWGPCal",null,{"$f":"9.97*(1.8277-(2*LOG(2*SQRT(H129/PI()))))","v":27.740284446363646}]
[null,null,"Input","Select wire size",null,"AWGP",null,30]
[null,null,"Input","Select number of parallel wire",null,"nwP",null,1]
[null,null,"result","Wire copper diameter","Eq 039","dP","[mm]",{"$f":"POWER(10,((1.8277/2)-(H131/2/9.97)))","v":0.25664715796727061}]
[null,null,"result","Wire copper cross sectional area","Eq 040","AP","[mm2]",{"$f":"(POWER(10,((1.8277/2)-(H131/2/9.97)))/2)^2*PI()*H132","v":5.1732420631325771E-2},{"$f":"IF(H134>H129,\"Caution! Cross sectional area too large, reduce wire size (cell C126)\",\"\")","v":""}]
[null,null,"result","Wire current density","Eq 041","SP","[A/mm2]",{"$f":"H86/H134","v":6.8362237445597707},{"$f":"IF(H135>8,\"Caution! Current density too high, increase wire size (cell H126)\",\"\")","v":""}]
[null,null,"Input","Insulation thickness",null,"INSP","[mm]",0.01," "]
[null,null,"result","Turns per layer","Eq 042","NLP","turns/layer",{"$f":"MIN(ROUNDDOWN(H121/((H133+(2*H136))*H132),0),H100)","v":39}]
[null,null,"result","Number of layers","Eq 043","LnP","layers",{"$f":"ROUNDUP(H100/H137,0)","v":2},null,null,null,null,null,null," "]
[]
[null,null,"Secondary 1 winding"]
[null,null,"result","Calculated wire copper cross sectional area","Eq 044","ANS1Cal","[mm²]",{"$f":"H124*H120*H122/H102","v":0.34}]
[null,null,"result","Calculated maximum wire size","Eq 045","AWGS1Cal",null,{"$f":"9.97*(1.8277-(2*LOG(2*SQRT(H141/PI()))))","v":21.847370314309448}]
[null,null,"Input","Select wire size",null,"AWGS1",null,26]
[null,null,"Input","Select number of parallel wire",null,"nwS1",null,2]
[null,null,"result","Wire copper diameter","Eq 046","dS1","[mm]",{"$f":"POWER(10,((1.8277/2)-(H143/2/9.97)))","v":0.40732237258352005}]
[null,null,"result","Wire copper cross sectional area","Eq 047","AS1","[mm2]",{"$f":"PI()*H145^2*H144/4","v":0.26061319866023791},{"$f":"IF(H146>H141,\"Caution! Cross sectional area too large, reduce wire size (cell C138)\",\"\")","v":""}]
[null,null,"result","Peak current","Eq 048","IS1Max","[A]",{"$f":"H84*H110*H30","v":4.8030747754139593}]
[null,null,"result","RMS current","Eq 049","IS1RMS","[A]",{"$f":"H86*H30*SQRT((1-H113)/H113)*H110","v":1.9032152630262982}]
[null,null,"result","Wire current density","Eq 050","SS1","[A/mm2]",{"$f":"H148/H146","v":7.3028352854358873},{"$f":"IF(H149>8,\"Caution! Current density too high, increase wire size (cell H138)\",\"\")","v":""}]
[null,null,"Input","Insulation thickness",null,"INSS1","[mm]",0.01]
[null,null,"result","Turns per layer","Eq 051","NLS1","turns/layer",{"$f":"MIN(ROUNDDOWN(H121/((H145+(2*H150))*H144),0),H102)","v":12}]
[null,null,"result","Number of layers","Eq 052","LnS1","layers",{"$f":"ROUNDUP(H102/H151,0)","v":1},null,null,null,null,null,null," "]
[]
[null,null,"Secondary 2 winding"]
[null,null,"result","Calculated wire copper cross sectional area","Eq 053","ANS2Cal","[mm²]",{"$f":"H125*H120*H122/H104","v":0.51}]
[null,null,"result","Calculated maximum wire size","Eq 054","AWGS2Cal",null,{"$f":"9.97*(1.8277-(2*LOG(2*SQRT(H155/PI()))))","v":20.091740461524303}]
[null,null,"Input","Select wire size",null,"AWGS2",null,26]
[null,null,"Input","Select number of parallel wire",null,"nwS2",null,1]
[null,null,"result","Wire copper diameter","Eq 055","dS2","[mm]",{"$f":"POWER(10,((1.8277/2)-(H157/2/9.97)))","v":0.40732237258352005}]
[null,null,"result","Wire copper cross sectional area","Eq 056","AS2","[mm2]",{"$f":"PI()*H159^2*H158/4","v":0.13030659933011896},{"$f":"IF(H160>H155,\"Caution! Cross sectional area too large, reduce wire size (cell C152)\",\"\")","v":""}]
[null,null,"result","Peak current","Eq 057","IS2Max","[A]",{"$f":"H84*H111*H38","v":2.3147348315248002}]
[null,null,"result","RMS current","Eq 058","IS2RMS","[A]",{"$f":"H86*H38*SQRT((1-H113)/H113)*H111","v":0.91721217495243279}]
[null,null,"result","Wire current density","Eq 059","SS2","[A/mm2]",{"$f":"H162/H160","v":7.0388773835526619},{"$f":"IF(H163>8,\"Caution! Current density too high, increase wire size (cell H152)\",\"\")","v":""}]
[null,null,"Input","Insulation thickness",null,"INSS2","[mm]",0.01]
[null,null,"result","Turns per layer","Eq 060","NLS2","turns/layer",{"$f":"ROUNDDOWN(H121/((H159+(2*H164))*H158),0)","v":25}]
[null,null,"result","Number of layers","Eq 061","LnS2","layers",{"$f":"ROUNDUP(H104/H165,0)","v":1},null,null,null,null,null,null," "]
[]
[]
[null,"RCD clamper and current sense resistor"]
[null,null,"RCD clamper circuit"]
[null,null,"Input","Leakage inductance percentage",null,"LLK%","[%]",2.5," "]
[null,null,"result","Leakage inductance ","Eq 062","LLK","[H]",{"$f":"H171*H81/100","v":1.39229691074517E-5}]
[null,null,"result","Clamping voltage","Eq 063","VClamp","[V]",{"$f":"H54-H61-H112","v":131.90952441687864}]
[null,null,"result","Calculated clamping capacitor","Eq 064","CClampCal","[nF]",{"$f":"H172*H84^2/((H173*(H112+H173)))*1000000000","v":0.33276083881813684}]
[null,null,"Input","Select clamping capacitor value (C2)",null,"Cclamp","[nF]",1]
[null,null,"result","Calculated clamping resistor","Eq 065","RclampCal","[kΩ]",{"$f":"((H112+H173)^2-H112^2)/(H172*H84^2*H53*0.5*1000)","v":86.225036640971695}]
[null,null,"Input","Select clamping resistor value (R4)",null,"Rclamp","[kΩ]",68]
[]
[null,null,"Current sense resistor"]
[null,null,"Input","Current sense threshold value from datasheet",null,"VCS_N","[V]",0.8]
[null,null,"result","Calculated current sense resistor (R8A, R8B)","Eq 066","Rsense","[Ω]",{"$f":"H180/H84","v":0.93279347628371201}]
[]
[null,"Ouput rectifier"]
[null,null,"Secondary 1 Output rectifier"]
[null,null,"result","Diode reverse voltage","Eq 067","VRDiode1","[V]",{"$f":"H25+(H61/H110)","v":86.798534705095591}]
[null,null,"result","Diode RMS current",null,"IS 1RMS","[A]",{"$f":"H148","v":1.9032152630262982}]
[null,null,"Input","Max voltage undershoot at output capacitor",null,"ΔVOut1","[V]",0.3]
[null,null,"Input","Number of clock periods",null,"ncp1",null,20]
[null,null,"result","Output capacitor ripple current","Eq 068","IRipple1","[A]",{"$f":"SQRT(H186^2-H26^2)","v":1.7126962186611674}]
[null,null,"result","Calculated minimum output capacitor","Eq 069","COut1Cal","[uF]",{"$f":"(H26*H188/(H187*H53))*1000000","v":553.33333333333326}]
[null,null,"Input","Select output capacitor value (C152)",null,"COut1","[uF]",680]
[null,null,"Input","ESR (Zmax) value from datasheet @ 100kHz",null,"RESR1","[Ω]",3.2000000000000001E-2]
[null,null,"Input","Number of parallel capacitors",null,"ncCOut1",null,1]
[null,null,"result","Zero frequency of output capacitor","Eq 070","fZCOut1","[Khz]",{"$f":"1/(2*PI()*H192*H191*10^(-6)*1000)","v":7.3141058406201909}]
[null,null,"result","First stage ripple voltage","Eq 071","VRipple1","[V]",{"$f":"H147*H192/H193","v":0.15369839281324671}]
[null,null,"Input","Select LC filter inductor value (L151)",null,"Lout1","[uH]",2.2000000000000002]
[null,null,"result","Calculated LC filter capacitor","Eq 072","CLCCal1"," [uF]",{"$f":"(H192*H191)^2/H196","v":215.22618181818183}]
[null,null,"Input","Select LC filter capacitor value (C153)",null,"CLC1","[uF]",680]
[null,null,"result","LC filter frequency","Eq 073","fLC1","[Khz]",{"$f":"1/(1000*2*PI()*SQRT((H196*10^-6*H198*10^-6)))","v":4.1148530937338448}]
[null,null,"result","Second stage ripple voltage","Eq 074","V2ndRipple1","[mV]",{"$f":"(H195*(1/(2*PI()*H53*H198*10^-6))/((1/(2*PI()*H53*H198*10^-6))+(2*PI()*H53*H196*10^-6)))*1000","v":0.25980246641632088}]
[]
[null,null,"Secondary 2 Output rectifier"]
[null,null,"result","Diode reverse voltage","Eq 075","VRDiode2","[V]",{"$f":"H33+(H61/H111)","v":28.932844901698534}]
[null,null,"result","Diode RMS current",null,"IS2RMS","[A]",{"$f":"H162","v":0.91721217495243279}]
[null,null,"Input","Max voltage undershoot at output capacitor",null,"ΔVOut1","[V]",0.15]
[null,null,"Input","Number of clock periods",null,"ncp2",null,20]
[null,null,"result","Output capacitor ripple current","Eq 076","IRipple2","[A]",{"$f":"SQRT(H204^2-H34^2)","v":0.82539576802947812}]
[null,null,"result","Calculated minimum output capacitor","Eq 077","COut2Cal","[uF]",{"$f":"(H34*H206/(H205*H53))*1000000","v":533.33333333333337}]
[null,null,"Input","Select output capacitor value (C152)",null,"COut2","[uF]",680]
[null,null,"Input","ESR (Zmax) value from datasheet @ 100kHz",null,"RESR2","[Ω]",3.2000000000000001E-2]
[null,null,"Input","Number of parallel capacitors",null,"ncCOut2",null,1]
[null,null,"result","Zero frequency of output capacitor","Eq 078","fZCOut2","[Khz]",{"$f":"1/(2*PI()*H210*H209*10^(-6)*1000)","v":7.3141058406201909}]
[null,null,"result","First stage ripple voltage","Eq 079","VRipple2","[V]",{"$f":"H161*H210/H211","v":7.4071514608793604E-2}]
[null,null,"Input","Select LC filter inductor value (L151)",null,"Lout","[uH]",2.2000000000000002]
[null,null,"result","Calculated LC filter capacitor","Eq 080","CLCCal2"," [uF]",{"$f":"(H210*H209)^2/H214","v":215.22618181818183}]
[null,null,"Input","Select LC filter capacitor value (C153)",null,"CLC2","[uF]",330]
[null,null,"result","LC filter frequency","Eq 081","fLC2","[Khz]",{"$f":"1/(1000*2*PI()*SQRT((H214*10^-6*H216*10^-6)))","v":5.9067939487399714}]
[null,null,"result","Second stage ripple voltage","Eq 082","V2ndRipple2","[mV]",{"$f":"(H213*(1/(2*PI()*H53*H216*10^-6))/((1/(2*PI()*H53*H216*10^-6))+(2*PI()*H53*H214*10^-6)))*1000","v":0.25753854765364625}]
[]
[null,"Vcc diode and capacitor"]
[null,null,"Vcc diode and capacitor"]
[null,null,"result","Auxiliary diode reverse voltage (D2)","Eq 083","VRDiodeVCC","[V]",{"$f":"H107+(H61*H106/H100)","v":79.515323479670968}]
[null,null,"Input","Soft-start time from datasheet",null,"tss","[ms]",12]
[null,null,"Input","IVCC,normal2 from datasheet",null,"IVCC_normal2","[mA]",3]
[null,null,"Input","VCC on threshold",null,"VVCC_ON","[V]",16]
[null,null,"Input","VCC off threshold",null,"VVCC_OFF","[V]",10]
[null,null,"result","Calculated VCC capacitor","Eq 084","CVCCCal","[uF]",{"$f":"H224*H223/(H225-H226)","v":6}]
[null,null,"Input","Select Vcc capacitor (C3)",null,"CVCC","[uF]",22]
[null,null,"Input","VCC short threshold from datasheet",null,"VVCC_SCP","[V]",1.1000000000000001]
[null,null,"Input","IVCC_Charge1 from datasheet",null,"IVCC_Charge1","[mA]",0.2]
[null,null,"result","Start up time","Eq 085","tStartUp","[ms]",{"$f":"H229*H228/H230+(H225-H229)*H228/H224","v":230.26666666666668}]
[]
[null,"Calculation of losses"]
[null,null,"Input diode bridge"]
[null,null,"Input","Diode bridge forward voltage",null,"VFBR","[V]",1]
[null,null,"result","Diode bridge power loss","Eq 086","PDIN","[W]",{"$f":"H60*H235*2","v":0.8032128514056226}]
[]
[null,null,"Transformer copper"]
[null,null,"result","Primary winding copper resistance","Eq 087","RPCu","[mΩ]",{"$f":"H96*0.001*H100*17.2/H134","v":1068.4580254597583}]
[null,null,"result","Secondary 1 winding copper resistance","Eq 088","RS1Cu","[mΩ]",{"$f":"H96*0.001*H102*17.2/H146","v":32.629506271039894}]
[null,null,"result","Secondary 2 winding copper resistance","Eq 089","RS2Cu","[mΩ]",{"$f":"H96*0.001*H104*17.2/H160","v":21.753004180693264}]
[null,null,"result","Primary winding copper loss","Eq 090","PPCu","[mW]",{"$f":"H86^2*H239","v":133.63357982184053}]
[null,null,"result","Secondary 1 winding copper loss","Eq 091","PS1Cu","[mW]",{"$f":"H186^2*H240","v":118.19152225086231}]
[null,null,"result","Secondary 2 winding copper loss","Eq 092","PS2Cu","[mW]",{"$f":"H204^2*H241","v":18.30032763355878}]
[null,null,"result","Total transformer copper loss","Eq 093","PCu","[W]",{"$f":"SUM(H242:H244)/1000","v":0.27012542970626163}]
[]
[null,null,"Output rectifier diode"]
[null,null,"result","Secondary 1 diode loss","Eq 094","PDiode1","[W]",{"$f":"H186*H27","v":1.1419291578157789}]
[null,null,"result","Secondary 2 diode loss","Eq 095","PDiode2","[W]",{"$f":"H204*H35","v":0.18344243499048657}]
[]
[null,null,"RCD clamper circuit"]
[null,null,"result","RCD clamper loss","Eq 096","PClamper","[W]",{"$f":"0.5*H172*H84^2*H53*(H173+H112)/H173","v":0.90566409713063523}]
[]
[null,null,"Current sense resistor"]
[null,null,"result","Current sense resistor loss","Eq 097","PCS","[W]",{"$f":"H86^2*H181","v":0.11666581980758059}]
[]
[null,null,"MOSFET "]
[null,null,"Input","RDSON from datasheet ",null,"RDSON @ TA=125°C","[Ω]",8.69]
[null,null,"Input","Co(er) from datasheet ",null,"Co(er)","[pF]",3]
[null,null,"Input","External drain to source capacitance",null,"CDS","[pF]",0]
[null,null,"result","Switch on loss at minimum AC input voltage","Eq 098","PSONMinAC","[W]",{"$f":"0.5*(H259+H260)*10^-12*(H70+H112)^2*H53","v":5.7056425847637829E-3}]
[null,null,"result","Conduction loss at minimum AC input voltage","Eq 099","PcondMinAC","[W]",{"$f":"H86^2*H258","v":1.0868707810511284}]
[null,null,"result","Total MOSFET loss at minimum AC input voltage","Eq 100","PMOSMinAC","[W]",{"$f":"SUM(H261:H262)","v":1.0925764236358921}]
[null,null,"result","Switch on loss at maximum AC input voltage","Eq 101","PSONMaxAC","[W]",{"$f":"0.5*(H259+H260)*10^-12*(H61+H112)^2*H53","v":4.8409018267238556E-2}]
[null,null,"result","Conduction loss at maximum AC input voltage","Eq 102","PcondMaxAC","[W]",{"$f":"(1/3)*H258*H84^2*H81*H84*H53/H61","v":0.21805944158586846}]
[null,null,"result","Total MOSFET loss at maximum AC input voltage","Eq 103","PMOSMaxAC","[W]",{"$f":"SUM(H264:H265)","v":0.26646845985310702}]
[null,null,"result","Total MOSFET loss (from minimum or maximum AC)",null,"PMOS","[W]",{"$f":"MAX(H263,H266)","v":1.0925764236358921}]
[]
[null,null,"Controller"]
[null,null,"Input","Controller current consumption",null,"IVCC_Normal","[mA]",0.9]
[null,null,"result","Controller loss","Eq 104","PCtrl","[W]",{"$f":"H107*H270*10^-3","v":1.2330000000000001E-2}]
[]
[null,null,"Efficiency after Losses "]
[null,null,"result","Total power loss","Eq 105","PLosses","[W]",{"$f":"SUM(H236+H245+H248+H249+H252+H255+H267+H271)","v":4.525946214492258}]
[null,null,"result","Post calculated efficiency","Eq 106","ηPost","%",{"$f":"H47/(H47+H274)","v":0.78974461009081298}]
[]
[null,"CoolSET™/MOSFET temperature"]
[null,null,"CoolSET™/MOSFET temperature"]
[null,null,"Input","Enter thermal resistance junction-ambient (include copper pour)",null,"RthJA_As","[°K/W]",65]
[null,null,"result","Temperature rise","Eq 107","ΔT","[°K]",{"$f":"H279*H267","v":71.017467536332987}]
[null,null,"result","Junction temperature at Tamax","Eq 108","Tjmax","°C",{"$f":"H55+H280","v":121.01746753633299},{"$f":"IF(H281>125, \"Caution! Junction temperature too high. Make sure to add a copper pour (as heatsink) on DRAIN pin.\",\"\")","v":""}]
[]
[null,"Line OVP"]
[null,null,"Line OVP"]
[null,null,"Input","Select AC input LOVP",null,"VOVP_AC","[VAC]"]
[null,null,"Input","High side DC input voltage divider resistor",null,"RI1","[MΩ]"]
[null,null,"Input","Controller LOVP threshold",null,"VVIN_LOVP","[V]",2.85]
[null,null,"result","Low side DC input voltage divider resistor","Eq 109","RI2Cal","[kΩ]",{"$f":"H286*1000000*H287/((H285*SQRT(2))-H287)/1000","v":0}]
[null,null,"Input","Select low side  DC input voltage divider resistor",null,"RI2","[kΩ]"]
[null,null,"result","Post calculated LOVP","Eq 110","VOVP_ACPost","[VAC]",{"$f":"H287/(H289*1000)*((H289*1000)+H286*1000000)/SQRT(2)","v":{"$error":"#DIV/0!"}}]
[]
[null,"Output regulation (isolated using TL431 and optocoupler)"]
[null,null,"Isolated feedback circuit"]
[]
[]
[null,null,"Output regulation"]
[null,null,"Input","TL431 reference voltage",null,"VREF_TL","[V]",2.5]
[null,null,"Input","Weighted regulation factor of VOut1",null,"W1",null,0.9]
[null,null,"Input","Current for voltage divider resistor R26",null,"IR26","[mA]",0.25]
[null,null,"result","Calculated voltage divider resistor","Eq 111","R26Cal","[kΩ]",{"$f":"(H297/(H299*10^-3))/10^3","v":10}]
[null,null,"Input","Selec voltage divider resistor value",null,"R26","[kΩ]",10]
[null,null,"result","Calculated voltage divider resistor","Eq 112","R25Cal","[kΩ]",{"$f":"((H25-H297)/(H298*H299))","v":55.555555555555557}]
[null,null,"Input","Selec voltage divider resistor value",null,"R25","[kΩ]",56]
[null,null,"result","Calculated voltage divider resistor","Eq 113","R25ACal","[kΩ]",{"$f":"((H33-H297)/((H299-(H25-H297)/H303)))","v":93.333333333333371}]
[null,null,"Input","Selec voltage divider resistor value",null,"R25A","[kΩ]",93]
[]
[null,null,"Optocoupler and TL431 bias"]
[null,null,"Input","Current transfer ratio (CTR)",null,"GC","[%]",2]
[null,null,"Input","Optocoupler diode forward voltage",null,"VFOpto","[V]",1.25]
[null,null,"Input","Maximum current for optocoupler diode",null,"IFmax","[mA]",50]
[null,null,"Input","Minimum current for TL431",null,"IKAmin","[mA]",1]
[null,null,"result","Calculated minimum optocoupler bias resistance","Eq 114","R22Cal","[kΩ]",{"$f":"(H25-H297-H309)/H310","v":0.22500000000000001}]
[null,null,"Input","Select optocoupler bias resistor",null,"R22","[kΩ]",0.82]
[null,null,"Input","FB pull up reference voltage VREF from datasheet ",null,"VREF","[V]",3.3]
[null,null,"Input","VFB_OLP from datasheet",null,"VFB_OLP","[V]",2.75]
[null,null,"Input","RFB from datasheet ",null,"RFB","[kΩ]",15]
[null,null,"result","Calculated maximum TL431 bias resistance","Eq 115","R23Cal","[kΩ]",{"$f":"(H309+(H313*((H314-H315)/H316)/H308))/H311","v":1.2650333333333332}]
[null,null,"Input","selected TL431 bias resistor",null,"R23","[kΩ]",1.2]
[]
[null,null,"Regulation loop "]
[null,null,"result","Feedback transfer characteristic","Eq 116","KFB",null,{"$f":"H308*H316/(H313)","v":36.585365853658537}]
[null,null,"result","Gain of feedback transfer characteristic","Eq 117","GFB","[db]",{"$f":"LOG10(H321)*20","v":31.266148046718914}]
[null,null,"result","Voltage divider transfer characteristic","Eq 118","KVD",null,{"$f":"H297/H25","v":0.16666666666666666}]
[null,null,"result","Gain of voltage divider transfer characteristic","Eq 119","GVD","[db]",{"$f":"LOG10(H323)*20","v":-15.563025007672874}]
[null,null,"result","Resistance at maximum load pole","Eq 120","RLH","[Ω]",{"$f":"H25^2/H47","v":13.235294117647058}]
[null,null,"result","Resistance at minimum load pole","Eq 121","RLL","[Ω]",{"$f":"H25^2/H49","v":112.5}]
[null,null,"result","Poles of power stage at maximum load pole","Eq 122","fOH","[Hz]",{"$f":"1/(PI()*(H325*H191*H193))*1000000","v":35.367765131532302}]
[null,null,"result","Poles of power stage at minimum load pole","Eq 123","fOL","[Hz]",{"$f":"1/(PI()*(H326*H191*H193))*1000000","v":4.1609135448861529}]
[null,null,"result","Zero frequency of the compensation network","Eq 124","fOM","[Hz]",{"$f":"H327*POWER(10,0.5*LOG10(H328/H327))","v":12.131043359420692}]
[null,null,"Input","Zero dB crossover frequency",null,"fg","[kHz]",3]
[null,null,"Input","PWM-OP Gain from datasheet",null,"AV",null,2.0299999999999998]
[null,null,"result","Transient impedance","Eq 117","ZPWM","[V/A]",{"$f":"H331*H181/H180","v":2.3669634460699189}]
[null,null,"result","Power stage at crossover frequency","Eq 118","|FPWR(fg)|",null,{"$f":"(1/H332)*(SQRT(H325*H81*H53*H45/2))/(SQRT(1+(H330*1000/H327)^2))","v":8.7106668882146784E-2}]
[null,null,"result","Gain of power stage at crossover frequency","Eq 119","GPWR(fg)","[db]",{"$f":"LOG10(H333)*20","v":-21.198971883119921}]
[null,null,"result","Gain of the regulation loop at fg","Eq 120","Gs(ω)","[db]",{"$f":"(H322+H324+H334)","v":-5.4958488440738797}]
[null,null,"result","Separated components of the regulator","Eq 121","Gr(ω)","[db]",{"$f":"0-(H322+H324+H334)","v":5.4958488440738797}]
[null,null,"result","Calculated resistance value of compensation network","Eq 122","R24Cal","[kΩ]",{"$f":"POWER(10,H336/20)*(H303*H301/(H301+H303))","v":15.974840610629226}]
[null,null,"Input","Select resistor value of compesation network",null,"R24","[kΩ]",16]
[null,null,"result","Calculated capacitance value of compensation network","Eq 123","C26Cal","[nF]",{"$f":"(1/(2*PI()*H338*10^3*H330*10^3))*10^9","v":3.3157279810811531}]
[null,null,"Input","Select capacitor value of compesation network",null,"C26","[nF]",3.3]
[null,null,"result","Calculated capacitance value of compensation network","Eq 124","C25Cal","[nF]",{"$f":"((1/(2*PI()*H338*1000*H329))-H340*10^(-9))*10^9","v":816.67761021262061}]
[null,null,"Input","Select capacitor value of compesation network",null,"C25","[nF]",820]
[]
[null,"Output regulation (non-isolated)"]
[null,null,"Non-isolated feedback circuit on VERR pin"]
[]
[]
[null,null,"Output regulation"]
[null,null,"Input","Error amplifier reference voltage",null,"VERR_REF","[V]",1.8]
[null,null,"Input","Weighted regulation factor of VOut1",null,"W1","%",0.31]
[null,null,"Input","Select voltage divider RO1 (R11)",null,"RO1","[kΩ]",39]
[null,null,"result","Calculated voltage divider RO2","Eq 125","RO2Cal","[kΩ]",{"$f":"(H25-H349)/(H350*H349/H351)","v":922.58064516129014}]
[null,null,"Input","Select voltage divider RO2 (R153)",null,"RO2","[kΩ]",910]
[null,null,"result","Calculated voltage divider RO3","Eq 126","RO3Cal","[kΩ]",{"$f":"(H33-H349)/(H349/H351-((H25-H349)/H353))","v":101.1111111111111}]
[null,null,"Input","Select voltage divider RO3 (R103)",null,"RO3","[kΩ]",100,{"$f":"IF((1/((1/H351)+(1/H353)+(1/H355)))<25.3,\"Caution! Parallel combination of RO1, RO2 and RO3 should be greater than 25.3kΩ. Increase RO1 (cell H351)\",\"\")","v":""}]
[]
[null,"Final Design"]
[null,null,"Electrical"]
[null,null,null,"Minimum AC Voltage",null,null,"[V]",{"$f":"H19","v":85}]
[null,null,null,"Maximum AC Voltage",null,null,"[V]",{"$f":"H20","v":330}]
[null,null,null,"Maximum Input Current",null,null,"[A]",{"$f":"H48/H19","v":0.24096385542168677}]
[null,null,null,"Minimum DC Voltage",null,null,"[V]",{"$f":"H70","v":93.632349193046835}]
[null,null,null,"Maximum DC Voltage",null,null,"[V]",{"$f":"H61","v":466.69047558312138}]
[null,null,null,"Maximum Output Power",null,null,"[W]",{"$f":"H47","v":17}]
[null,null,null,"Output Voltage 1",null,null,"[V]",{"$f":"H25","v":15}]
[null,null,null,"Output Ripple Voltage 1",null,null,"[mV]",{"$f":"H200","v":0.25980246641632088}]
[null,null,null,"Output Voltage 2",null,null,"[V]",{"$f":"H33","v":5}]
[null,null,null,"Output Ripple Voltage 2",null,null,"[mV]",{"$f":"H218","v":0.25753854765364625}]
[null,null,null,"Transformer Peak Current",null,null,"[A]",{"$f":"H84","v":0.85763893116752199}]
[null,null,null,"Maximum Duty Cycle",null,null,null,{"$f":"H113","v":0.51991374979353955}]
[null,null,null,"Reflected Voltage",null,null,"[V]",{"$f":"H112","v":101.39999999999999}]
[null,null,null,"Copper Losses",null,null,"[W]",{"$f":"H245","v":0.27012542970626163}]
[null,null,null,"MOSFET Losses",null,null,"[W]",{"$f":"H263","v":1.0925764236358921}]
[null,null,null,"Sum Losses",null,null,"[W]",{"$f":"H274","v":4.525946214492258}]
[null,null,null,"Efficiency",null,null,"[%]",{"$f":"H275","v":0.78974461009081298}]
[]
[null,null,"Transformer"]
[null,null,null,"Core Type",null,null,null,{"$f":"H90","v":"EE20/10/6"}]
[null,null,null,"Core Material",null,null,null,{"$f":"H91","v":"TP4A(TDG)"}]
[null,null,null,"Effective Core Area",null,null,"[mm2]",{"$f":"H93","v":32}]
[null,null,null,"Maximum Flux Density",null,null,"[mT]",{"$f":"H115*1000","v":191.36026192296958}]
[null,null,null,"Inductance",null,null,"[uH]",{"$f":"H81*1000000","v":556.91876429806803}]
[null,null,null,"Margin",null,null,"[mm]",{"$f":"H119","v":0}]
[null,null,null,"Primary Turns",null,null,"turns",{"$f":"H100","v":78}]
[null,null,null,"Primary Copper Wire Size",null,null,"AWG",{"$f":"H131","v":30}]
[null,null,null,"Number of Primary Copper Wire in Parallel",null,null,null,{"$f":"H132","v":1}]
[null,null,null,"Primary Layers",null,null,"layer",{"$f":"H138","v":2}]
[null,null,null,"Secondary 1 Turns(NS1)",null,null,"turns",{"$f":"H102","v":12}]
[null,null,null,"Secondary 1 Copper Wire Size",null,null,"AWG",{"$f":"H143","v":26}]
[null,null,null,"Number of Secondary 1 Copper Wire in Parallel",null,null,null,{"$f":"H144","v":2}]
[null,null,null,"Secondary 1 Layers",null,null,"layer",{"$f":"H152","v":1}]
[null,null,null,"Secondary 2 Turns(NS2)",null,null,"turns",{"$f":"H104","v":4}]
[null,null,null,"Secondary 2 Copper Wire Size",null,null,"AWG",{"$f":"H157","v":26}]
[null,null,null,"Number of Secondary 2 Copper Wire in Parallel",null,null,null,{"$f":"H158","v":1}]
[null,null,null,"Secondary 2 Layers",null,null,"layer",{"$f":"H166","v":1}]
[null,null,null,"Auxiliary Turns",null,null,"turns",{"$f":"H106","v":11}]
[null,null,null,"Leakage Inductance",null,null,"[uH]",{"$f":"H172*1000000","v":13.922969107451699}]
[]
[null,null,"Components"]
[null,null,null,"Input Capacitor (C1)",null,null,"[uF]",{"$f":"H69","v":47}]
[null,null,null,"Secondary 1 Output Capacitor (C152)",null,null,"[uF]",{"$f":"H191","v":680}]
[null,null,null,"Secondary 1 Output Capacitor in Parallel",null,null,null,{"$f":"H193","v":1}]
[null,null,null,"Secondary 1 LC Filter Inductor (L151)",null,null,"[uH]",{"$f":"H196","v":2.2000000000000002}]
[null,null,null,"Secondary 1 LC Filter Capacitor (C153)",null,null,"[uF]",{"$f":"H198","v":680}]
[null,null,null,"Secondary 2 Output Capacitor (C102)",null,null,"[uF]",{"$f":"H209","v":680}]
[null,null,null,"Secondary 2 Output Capacitor in Parallel",null,null,null,{"$f":"H211","v":1}]
[null,null,null,"Secondary 2 LC Filter Inductor (L101)",null,null,"[uH]",{"$f":"H214","v":2.2000000000000002}]
[null,null,null,"Secondary 2 LC Filter Capacitor (C103)",null,null,"[uF]",{"$f":"H216","v":330}]
[null,null,null,"VCC Capacitor (C3)",null,null,"[uF]",{"$f":"H228","v":22}]
[null,null,null,"Sense Resistor (R8A, R8B)",null,null,"[Ω]",{"$f":"H181","v":0.93279347628371201}]
[null,null,null,"Clamping Resistor (R4)",null,null,"[kΩ]",{"$f":"H177","v":68}]
[null,null,null,"Clamping Capacitor (C2)",null,null,"[nF]",{"$f":"H175","v":1}]
[]
[null,null,"Regulation components (isolated using TL431 and optocoupler)"]
[null,null,null,"Voltage divider",null,"R26","[kΩ]",{"$f":"H301","v":10}]
[null,null,null,"Voltage divider (Vout1 sense)",null,"R25","[kΩ]",{"$f":"H303","v":56}]
[null,null,null,"Voltage divider (Vout2 sense)",null,"R25A","[kΩ]",{"$f":"H305","v":93}]
[null,null,null,"Optocoupler bias resistor",null,"R22","[kΩ]",{"$f":"H313","v":0.82}]
[null,null,null,"TL431 bias resistor",null,"R23","[kΩ]",{"$f":"H318","v":1.2}]
[null,null,null,"Compensation network resistor",null,"R24","[kΩ]",{"$f":"H338","v":16}]
[null,null,null,"Compensation network capacitor",null,"C26","[nF]",{"$f":"H340","v":3.3}]
[null,null,null,"Compensation network capacitor",null,"C25","[nF]",{"$f":"H342","v":820}]
[]
[null,null,"Regulation components (non-isolated)"]
[null,null,null,"Voltage divider (R11)",null,"RO1","[kΩ]",{"$f":"H351","v":39}]
[null,null,null,"Voltage divider (Vout1 sense) (R153)",null,"RO2","[kΩ]",{"$f":"H353","v":910}]
[null,null,null,"Voltage divider (Vout2 sense) (R103)",null,"RO3","[kΩ]",{"$f":"H355","v":100}]

{"sheet":"Design example (dual non-iso)","index":2,"n_rows":60,"n_cols":8,"rows_kept":60,"cut":false,"hidden":false,"merged":[[0,1,0,7],[4,1,4,7]]}
[null,"Design example for dual output non-isolated design using integrated amplifier (VERR pin)"]
[]
[null,"Attention: Voltage/current rating (in RED font) does not include design margin, voltage spikes and transient currents."]
[]
[]
[]
[null,"No.","Designator","Value/ Part Name","Unit","Voltage","[ARMS]","Watt"]
[null,1,"F1",null,null,"300Vac",{"$f":"'Dual Output'!H60","v":0.4016064257028113}]
[null,2,"Z1","ERZE07A511"]
[null,3,"BR1",null,null,"600V",{"$f":"'Dual Output'!H60","v":0.4016064257028113},{"$f":"'Dual Output'!H236","v":0.8032128514056226}]
[null,4,"CX1",0.15,"uF","305Vac"]
[null,5,"CX2","nc"]
[null,6,"C1",{"$f":"'Dual Output'!H69","v":47},"uF",{"$f":"'Dual Output'!H61","v":466.69047558312138}]
[null,7,"C2",{"$f":"'Dual Output'!H175","v":1},"nF","630V"]
[null,8,"C3 ",{"$f":"'Dual Output'!H228","v":22},"uF","50V"]
[null,9,"C4",0.1,"uF","50V"]
[null,10,"C5",1000,"pF","50V"]
[null,11,"C6",4700,"pF","50V"]
[null,12,"C7",15,"pF","50V"]
[null,13,"C101","nc"]
[null,14,"C102",{"$f":"'Dual Output'!H209","v":680},"uF","10V"]
[null,15,"C103",{"$f":"'Dual Output'!H216","v":330},"uF","10V"]
[null,16,"C104",4700,"pF","50V"]
[null,17,"C151","nc"]
[null,18,"C152",{"$f":"'Dual Output'!H191","v":680},"uF","25V"]
[null,19,"C153",{"$f":"'Dual Output'!H198","v":680},"uF","25V"]
[null,20,"C154",1000,"pF","50V"]
[null,21,"ZD1",null,null,"22V",null,"500mW"]
[null,22,"ZD101","nc"]
[null,23,"ZD151","nc"]
[null,24,"D1",null,null,"800V","1A"]
[null,25,"D2",null,null,{"$f":"'Dual Output'!H222","v":79.515323479670968},"0.2A"]
[null,26,"D101",null,null,{"$f":"'Dual Output'!H203","v":28.932844901698534},{"$f":"'Dual Output'!H204","v":0.91721217495243279}]
[null,27,"D151",null,null,{"$f":"'Dual Output'!H185","v":86.798534705095591},{"$f":"'Dual Output'!H186","v":1.9032152630262982}]
[null,28,"IC1","ICE5AR4780BZS"]
[null,29,"L1",39,"mH",null,{"$f":"'Dual Output'!H60","v":0.4016064257028113}]
[null,30,"L101",{"$f":"'Dual Output'!H196","v":2.2000000000000002},"uH",null,{"$f":"'Dual Output'!H26","v":0.83}]
[null,31,"L151",{"$f":"'Dual Output'!H214","v":2.2000000000000002},"uH",null,{"$f":"'Dual Output'!H34","v":0.4}]
[null,32,"R1A, R1B",3,"MΩ","250V"]
[null,33,"R2A, R2B, R2C",15,"MΩ","200V"]
[null,34,"R4",{"$f":"'Dual Output'!H177","v":68},"kΩ","500V",null,{"$f":"'Dual Output'!H252","v":0.90566409713063523}]
[null,35,"R5 ",4.7,"Ω"]
[null,36,"R6",0,"Ω"]
[null,37,"R8A, R8B",{"$f":"'Dual Output'!H410*2","v":1.865586952567424},"Ω",null,null,{"$f":"'Dual Output'!H255/2","v":5.8332909903790295E-2}]
[null,38,"R9",260,"kΩ"]
[null,39,"R10","nc"]
[null,40,"R11",{"$f":"'Dual Output'!H425","v":39},"kΩ"]
[null,41,"R101","nc"]
[null,42,"R102",11,"kΩ"]
[null,43,"R103",{"$f":"'Dual Output'!H427","v":100},"kΩ"]
[null,44,"R104",4.7,"kΩ"]
[null,45,"R151","nc"]
[null,46,"R152",15,"kΩ"]
[null,47,"R153",{"$f":"'Dual Output'!H426","v":910},"kΩ"]
[null,48,"R154",33,"kΩ"]
[null,49,"T1 ",{"$f":"'Dual Output'!H382","v":556.91876429806803},"uH"]
[null,50,"CN1","connector"]
[null,51,"CN2,CN3","connector"]
[null,52,"JP1-JP3","Jumper"]
[null,53,"PCB","110mmX66mm (LXW), single layer, 2Oz., FR-4"]

{"sheet":"Design example (dual iso)","index":3,"n_rows":60,"n_cols":8,"rows_kept":60,"cut":false,"hidden":false,"merged":[[0,1,0,7],[4,1,4,7]]}
[null,"Design example for dual output isolated design using optocoupler and TL431"]
[]
[null,"Attention: Voltage/current rating (in RED font) does not include design margin, voltage spikes and transient currents."]
[]
[]
[]
[null,"No.","Designator","Value/ Part Name","Unit","Voltage","[ARMS]","Watt"]
[null,1,"F1",null,null,"300Vac",{"$f":"'Dual Output'!H60","v":0.4016064257028113}]
[null,2,"Z1","ERZE07A511"]
[null,3,"BR1",null,null,"600V",{"$f":"'Dual Output'!H60","v":0.4016064257028113},{"$f":"'Dual Output'!H236","v":0.8032128514056226}]
[null,4,"CX1",0.15,"uF","305Vac"]
[null,5,"CX2","nc"]
[null,6,"C1",{"$f":"'Dual Output'!H69","v":47},"uF",{"$f":"'Dual Output'!H61","v":466.69047558312138}]
[null,7,"C2",{"$f":"'Dual Output'!H175","v":1},"nF","630V"]
[null,8,"C3 ",{"$f":"'Dual Output'!H228","v":22},"uF","50V"]
[null,9,"C4",0.1,"uF","50V"]
[null,10,"C5",1000,"pF","50V"]
[null,11,"C6",1000,"pF","50V"]
[null,12,"C25",{"$f":"'Dual Output'!H422","v":820},"nF","50V"]
[null,13,"C26",{"$f":"'Dual Output'!H421","v":3.3},"nF","50V"]
[null,14,"C101","nc"]
[null,15,"C102",{"$f":"'Dual Output'!H209","v":680},"uF","10V"]
[null,16,"C103",{"$f":"'Dual Output'!H216","v":330},"uF","10V"]
[null,17,"C151","nc"]
[null,18,"C152",{"$f":"'Dual Output'!H191","v":680},"uF","25V"]
[null,19,"C153",{"$f":"'Dual Output'!H198","v":680},"uF","25V"]
[null,20,"ZD1",null,null,"22V",null,"500mW"]
[null,21,"ZD101","nc"]
[null,22,"ZD151","nc"]
[null,23,"D1",null,null,"800V","1A"]
[null,24,"D2",null,null,{"$f":"'Dual Output'!H222","v":79.515323479670968},"0.2A"]
[null,25,"D101",null,null,{"$f":"'Dual Output'!H203","v":28.932844901698534},{"$f":"'Dual Output'!H204","v":0.91721217495243279}]
[null,26,"D151",null,null,{"$f":"'Dual Output'!H185","v":86.798534705095591},{"$f":"'Dual Output'!H186","v":1.9032152630262982}]
[null,27,"IC1","ICE5AR4780BZS"]
[null,28,"IC2","SFH617A-3"]
[null,29,"IC3","TL431"]
[null,30,"L1",39,"mH",null,{"$f":"'Dual Output'!H60","v":0.4016064257028113}]
[null,31,"L101",{"$f":"'Dual Output'!H196","v":2.2000000000000002},"uH",null,{"$f":"'Dual Output'!H26","v":0.83}]
[null,32,"L151",{"$f":"'Dual Output'!H214","v":2.2000000000000002},"uH",null,{"$f":"'Dual Output'!H34","v":0.4}]
[null,33,"R1A, R1B",3,"MΩ","250V"]
[null,34,"R2A, R2B, R2C",15,"MΩ","200V"]
[null,35,"R4",{"$f":"'Dual Output'!H177","v":68},"kΩ","500V",null,{"$f":"'Dual Output'!H252","v":0.90566409713063523}]
[null,36,"R5 ",4.7,"Ω"]
[null,37,"R6",0,"Ω"]
[null,38,"R8A, R8B",{"$f":"'Dual Output'!H410*2","v":1.865586952567424},"Ω",null,null,{"$f":"'Dual Output'!H255/2","v":5.8332909903790295E-2}]
[null,39,"R22",{"$f":"'Dual Output'!H418","v":0.82},"kΩ"]
[null,40,"R23",{"$f":"'Dual Output'!H419","v":1.2},"kΩ"]
[null,41,"R24",{"$f":"'Dual Output'!H420","v":16},"kΩ"]
[null,42,"R25",{"$f":"'Dual Output'!H416","v":56},"kΩ"]
[null,43,"R25A",{"$f":"'Dual Output'!H417","v":93},"kΩ"]
[null,44,"R26",{"$f":"'Dual Output'!H415","v":10},"kΩ"]
[null,45,"R101","nc"]
[null,46,"R102",11,"kΩ"]
[null,47,"R151","nc"]
[null,48,"R152",15,"kΩ"]
[null,49,"T1 ",{"$f":"'Dual Output'!H382","v":556.91876429806803},"uH"]
[null,50,"CN1","connector"]
[null,51,"CN2,CN3","connector"]
[null,52,"JP1-JP3","Jumper"]
[null,53,"PCB","110mmX66mm (LXW), single layer, 2Oz., FR-4"]

{"sheet":"msc","index":4,"n_rows":10,"n_cols":12,"rows_kept":10,"cut":false,"hidden":false,"merged":[]}
[]
[null,"fs(Hz)",null,"V(BR)DSS(V)",null,"VCS_N(V)",null,"AV",null,"tSS (mS)",null,"VVCChys (V)"]
[null,65000,null,950,null,0.8,null,2.0299999999999998,null,12,null,6]
[null,100000,null,800]
[null,125000,null,750]
[null,null,null,700]
[null,null,null,650]
[null,null,null,600]
[null,null,null,550]
[null,null,null,500]

{"sheet":"Protection Mode","index":5,"n_rows":9,"n_cols":7,"rows_kept":9,"cut":false,"hidden":false,"merged":[[3,6,4,6],[3,4,3,5],[3,1,4,1],[3,2,4,2]]}
[]
[]
[null,"ICE5xRxxxxxZx"]
[null,"Protection Function","Failure condition","Normal Mode","Burst Mode",null,"Protection Mode"]
[null,null,null,null,"Burst On","Burst Off"]
[null,"VCC Over Voltage"," Vcc > 25.5 V & last for 55 μs","√","√","x","Odd Skip Auto Restart"]
[null,"VCC Under Voltage"," Vcc < 10 V & last for 50 μs","√","√","√","Auto Restart"]
[null,"Over Load","VFB > 2.73 V & last for 54 ms ","√","x","x","Odd Skip Auto Restart"]
[null,"Over Temperature of controller","TJ > 140°C (40°C Hysteresis to reset OTP)","√","√","√","Non switch Auto Restart"]