DESCRIPTION

The L4901A is a monolithic low drop dual 5V regulatordesignedmainly for supplying microproc essor systems.

Reset and data save functionsduring switch on/off can be realized.

. OUTPUT CURRENTS : I01 = 400mA I0 2 = 400mA

. FIXED PRECISION OUTPUT VOLTAGE 5V ± 2%

. RESET FUNCTION CONTROLLED BY INPUT VOLTAGE AND OUTPUT 1 VOLTAGE

. RESET FUNCTION EXTERNALLY PROGRAMMABLE TIMING

. RESET OUTPUT LEVEL RELATED TO OUT PUT 2

. OUTPUT 2 INTERNALLY SWITCHED WITH ACTIVE DISCHARGING

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

. LOW QUIESCENT CURRENT (Input 1)

. INPUT OVERVOLTAGE PROTECTION UP TO 60V

. RESET OUTPUT HIGH

. OUTPUT TRANSISTORS SO A PROTECTION

. SHORT CIRCUIT AND THERMAL OVER LOAD PROTECTION