L4901 데이터 시트보기 (PDF) - STMicroelectronics

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L4901

DUAL 5V REGULATOR WITH RESET

STMicroelectronics 

®

L4901A

DUAL 5V REGULATOR WITH RESET

. 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 PRO-

GRAMMABLE 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

HEPTAWATT (Vertical)

(Plastic Package)

ORDERING NUMBER : L4901A

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.

PIN CONNECTION

June 2000

1/10

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