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L4938N Datasheet PDF - STMicroelectronics

Part NameDescriptionManufacturer
L4938N DUAL MULTIFUNCTION VOLTAGE REGULATOR STMICROELECTRONICS
STMicroelectronics STMICROELECTRONICS
L4938N Datasheet PDF : L4938N pdf   
L4938N image

DESCRIPTION
The L4938N is a monolithic integrated dual voltage regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supplying microcomputer controlled systems specially in automotive applications.

■ STANDBY OUTPUT VOLTAGE PRECISION 5V ± 2%
■ OUTPUT 2 TRACKED TO THE STANDBY OUTPUT
■ OUTPUT 2 DISABLE FUNCTION FOR STANDBY MODE
■ VERY LOW QUIESCENT CURRENT, LESS THAN 250µA, IN STANDBY MODE
■ OUTPUT 2 VOLTAGE SETTABLE FROM 5 TO 20V
■ 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
■ EARLY WARNING OUTPUT FOR SUPPLY UNDERVOLTAGE
■ THERMAL SHUTDOWN AND SHORT CIRCUIT PROTECTIONS

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