L4937NPD Datasheet (STMicroelectronics) - DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR

L4937NPD, DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR

The L4937NPD is a monolithic integrated dual voltage regulators with two very low dropout outputs andadditionalfunctionssuchas power-onresetand input voltage sense.

They are designed for supplying microcomputer controlled systems specially in automotive applications.

PIN CONNECTION (top view) GND

® L4937NPD DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR .

STANDBYOUTPUT VOLTAGEPRECISION 5V ± 2% OUTPUT 2 TRACKED TO THE STANDBY OUTPUT OUTPUT 2 DISABLE FUNCTION FOR STANDBY MODE VERY LOW QUIESCENT CURRENT, LESS THAN 260µA, IN STANDBY MODE OUTPUT CURRENTS : I01 = 50mA, I02 = 500mA VERY LOW DROPOUT (max 0.4V/0.6V) OPERATING TRANSIENT SUPPLY VOLTAGE UP TO 40V POWER-ON RESET CIRCUIT SENSING THE STANDBY OUTPUT VOLTAGE POWER-ON RESET DELAY PULSE DEFINED BY THE EXTERNAL CAPACITOR THERM

L4937NPD Features

* and auxiliary functions are provided to meet the requirements of supplying the microprocessor systems used in automotive applications. Furthermore the device is suitable also in other applications requiring two stabilized voltages. The modular approach allows other features and functions to be reali