Integrated DC-DC POL Converters

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Our SupIRBuck® and Integrated POL converters deliver benchmark efficiency and dramatically reduce system size. Current capability as high as 35A are available in a compact PQFN package. Target applications include server storage, routers and switches, telecom base stations, digital home media, mobile computing.


Integrated DC-DC POL Converters subcategories


Product Selection Guide

Title Size Date Version
2.8 MB 12 Mar 2008
629 KB 12 Mar 2008

Application Notes

Title Size Date Version
92 KB 09 Dec 2003
1.3 MB 06 May 2012
1 MB 05 Sep 2011

Additional Product Information

Title Size Date Version
6.3 MB 24 Oct 2008

Evaluation Boards

Board Family Description Status
IRDC3843W Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3843WM
active
IRDC3853 Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3853M
active
IRDC3473 Featuring IR3473 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 6A.
  • IR3473M
active
IRDC3831W Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3831WM
active
IRDC3842W Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3842WM
active
IRDC3840W Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3840WM
active
IRDC3823 Vin = +12V (+ 13.2V Max). Vout = +1.2V @ 0- 3A. Fs=1000kHz. L= 1.0uH (4.0mm X 4.0mm X 2.1mm, DCR=10.8mO). Cin= 2x10uF (25V, ceramic 1206) + 1X100uF (25V, electrolytic). Cout=1x22uF (6.3V, ceramic 0805).
  • IR3823M
active
IRDC3859 Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3859M
active
IRDC3871 High Efficiency Integrated Point of Load DC-DC Voltage Regulator. Featuring IR3871 Voltage Regulator. Constant On-Time control with Programmable Switching Frequency,. Soft Start, and Over-Current Protection.. Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 8A.
  • IR3871M
active
IRDC3841W Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
  • IR3841WM
active
IRDC3865 Featuring IR3865 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 12V, VOUT = 1.05V, FS = 300kHz, up to 10A.
  • IR3865M
active
IRDC38062 Evaluation kit for the IR38062 PMBus POL voltage regulator pre-configured for 12Vin, 1.2Vout. Includes USB005 dongle to communicate with the PowIRCenter GUI software. PowIRCenter must be downloaded separately.
    active
    IRDC3856 Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
    • IR3856M
    active
    IRDC3898 Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
    • IR3898M
    active
    IRDC3847 Remote Differential Voltage Sense. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
    • IR3847M
    active
    IRDC3863 Featuring IR3863 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 12V, VOUT = 1.05V, FS = 300kHz, up to 6A.
    • IR3863M
    active
    IRDC38063 Evaluation kit for the IR38063 PMBus POL voltage regulator pre-configured for 12Vin, 1.2Vout. Includes USB005 dongle to communicate with the PowIRCenter GUI software. PowIRCenter must be downloaded separately.
      active
      IRDC38060 Evaluation kit for the IR38060 PMBus POL voltage regulator pre-configured for 12Vin, 1.2Vout. Includes USB005 dongle to communicate with the PowIRCenter GUI software. PowIRCenter must be downloaded separately.
        active
        IRDC3477 Featuring IR3477 Voltage Regulator in a very small 5x6 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 15A.
        • IR3477M
        active
        IRDC3891 Dual Output in 5x6mm PQFN. Out of phase operation to reduce Input Capacitors. Programmable Switching Frequency up to 1.5MHz.
        • IR3891M
        active
        IRDC3838 Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
        • IR3838M
        active
        IRDC3892 Dual Output in 5x6mm PQFN. Very small dual output solution size. Out of phase operation to reduce Input Capacitors. Programmable Switching Frequency up to 1.0MHz.
        • IR3892M
        active
        IRDC3837 Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
        • IR3837M
        active
        IRDC3476 Featuring IR3476 Voltage Regulator in a very small 5x6 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 12A.
        • IR3476M
        active
        IRDC3846 Remote Differential Voltage Sense. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
        • IR3846M
        active
        IRDC3894 Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
        • IR3894M
        active
        IRDC3832W Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
        • IR3832WM
        active
        IRDC3895 Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
        • IR3895M
        active
        IRDC3475 Featuring IR3475 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 10A.
        • IR3475M
        active
        IRDC3876 High Efficiency Integrated Point of Load DC-DC Voltage Regulator. Featuring IR3876 Voltage Regulator. Constant On-Time control with Programmable Switching Frequency,. Soft Start, and Over-Current Protection.. Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 7V to 16V, VOUT = 1.05V, FS = 300kHz, up to 12A.
        • IR3876M
        active
        IRDC3883
        • IR3883 configured for 5V-12V input, 3.3V output, 3A
        active
        IRDC3899 Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
        • IR3899M
        active
        IRDC3897 Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.
        • IR3897M
        active
        IRDC3839 Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.
        • IR3839M
        active

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