DESCRIPTION

The L4902A is a monolithic low drop dual 5V regulatordesignedmainly for supplying microprocessor systems.

Reset and data save functions and remote switch on/off control can be realized.

■ DOUBLE BATTERY OPERATING

■ OUTPUT CURRENTS : I01 = 300 mA I02 = 300 mA

■ FIXED PRECISION OUTPUT VOLTAGE 5 V ± 2

■ RESET FUNCTION CONTROLLED BY INPUT VOLTAGE AND OUTPUT 1 VOLTAGE

■ RESET FUNCTION EXTERNALLY PRO GRAMMABLE TIMING

■ RESET OUTPUT LEVEL RELATED TO OUT PUT 2

■ OUTPUT 2 INTERNALLY SWITCHED WITH ACTIVE DISCHARGING

■ OUTPUT 2 DISABLE LOGICAL INPUT

■ LOW LEAKAGE CURRENT, LESS THAN 1µA AT OUTPUT 1

■ RESET OUTPUT NORMALLY HIGH

■ INPUT OVERVOLTAGE PROTECTION UP TO 60V

■ OUTPUT TRANSISTORS SOA PROTECTION

■ SHORT CIRCUIT AND THERMAL OVERLOAD PROTECTION