L4901A

DUAL 5V REGULATOR WITH RESET

June 2000

PIN CONNECTION

HEPTAWATT (Vertical)

(Plastic Package)

ORDERING NUMBER : L4901A

®

.

.

FIXED PRECISION OUTPUT VOLTAGE

5V

± 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

.

LOW LEAKAGE CURRENT, LESS THAN 1

µA

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

DESCRIPTION

The L4901A is a monolithic low drop dual 5V

regulator designed mainly for supplying microproc-

essor systems.

Reset and data save functions during switch on/off

can be realized.

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