Infineon Designer powered by TinaCloud

Automotive Low Dropout (LDO) Linear Voltage Regulator OPTIREG™ TLS820D0EL V33 application circuit for 3.3 V output voltage

Open online SPICE simulator circuit link: atv_LDO_TLS820D0ELV33_application_circuit.tsc


Automotive Low Dropout (LDO) Linear Voltage Regulator OPTIREG™ TLS820D0EL V33
Application circuit

The TLS820D0EL V33 is a high performance very low dropout linear voltage regulator for 3.3 V supply in a
PG-SSOP-14 package. With an input voltage range of 3 V to 40 V and very low quiescent of only 40 µA,
these regulators are perfectly suitable for automotive or any other supply systems connected to the battery
permanently. The TLS820D0EL V33 provides an output voltage accuracy of 2 % and a maximum output current
up to 200 mA. The new loop concept combines fast regulation and very good stability while requiring only one
small ceramic capacitor of 1 µF at the output. At currents below 100 mA the device will have a very low typical
dropout voltage of only 80 mV for 3.3 V device. The operating range starts already at input voltages of only 3 V
(extended operating range). This makes the TLS820D0EL V33 also suitable to supply automotive systems that
need to operate during cranking condition.

Thermal model description:
THERMAL_MODEL = 1: PG-SSOP-14 1s0p 600mm2 cooling area
THERMAL_MODEL = 2: PG-SSOP-14 1s0p 300mm2 cooling area
THERMAL_MODEL = 3: PG-SSOP-14 1s0p, footprint
THERMAL_MODEL = 4: PG-SSOP-14 2s2p
THERMAL_MODEL = 10: No self-heating, only TEMP value used as a temperature

Model performance :
- dynamic behavior not modeled (CQ/ESR stability, line/load transient response,
start-up, PSRR)
- static behavior is modelled by approximation to the real behavior of the device
over temperature
- the thermal simulations represent an approximation of the actual thermal
behavior of the device according to the JEDEC standards at Power = 2 W
and Ambient Temperature = 85 °C




Technical Assistance
Product Info: TLS820D0EL V33
Other circuits
Voltage Regulator