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L4901 Datasheet(PDF) 1 Page - STMicroelectronics

Part # L4901
Description  DUAL 5V REGULATOR WITH RESET
PDF  10 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4901 Datasheet(HTML) 1 Page - STMicroelectronics

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L4901A
DUAL 5V REGULATOR WITH RESET
June 2000
PIN CONNECTION
HEPTAWATT (Vertical)
(Plastic Package)
ORDERING NUMBER : L4901A
®
.
OUTPUT CURRENTS : I01 = 400mA
I02 = 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 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.
1/10


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