L4903 Datasheet, PDF (1/8 Pages) STMicroelectronics – DUAL 5V REGULATOR WITH RESET AND DISABLE FUNCTIONS

L4903
DUAL 5V REGULATOR
WITH RESET AND DISABLE FUNCTIONS
. OUTPUT CURRENTS : I01 = 50mA
I02 = 100mA
. 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
. _{OUTPUT 2 DISABLE LOGICAL INPUT}
. _{LOW LEAKAGE CURRENT, LESS THAN 1µA}
AT OUTPUT 1
. INPUT OVERVOLTAGE PROTECTION UP TO
60V
. _{RESET OUTPUT NORMALLY LOW}
. _{OUTPUT TRANSISTORS SOA PROTECTION}
. _{SHORT CIRCUIT AND THERMAL OVER-}
LOAD PROTECTION
PRELIMINARY DATA
Minidip
ORDERING NUMBERS : L4903
DESCRIPTION
The L4903 is a monolithic low drop dual 5 V regu-
lator designed mainly for supplying microprocessor
systems.
Reset, data save functions and remote switch
on/off control can be realized.
PIN CONNECTION
July1993
1/8