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SGS-THOMSON - (L4945 - L4951) 5V/8.5V/10V VERY LOW DROP VOLTAGE REGULATORS

Numéro de référence L4951
Description (L4945 - L4951) 5V/8.5V/10V VERY LOW DROP VOLTAGE REGULATORS
Fabricant SGS-THOMSON 
Logo SGS-THOMSON 





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L4951 fiche technique
L4945/L4950
L4951
5V/8.5V/10V VERY LOW DROP VOLTAGE REGULATORS
PRECISE OUTPUT VOLTAGE:
5V ± 4% (L4945)
8.5V ± 4% (L4950)
10V ± 4% (L4951)
OVER FULL TEMPERATURE RANGE
(– 40 / 125 °C)
VERY LOW VOLTAGE DROP (0.75Vmax)
OVER FULL TEMPERATURE RANGE
OUTPUT CURRENT UP TO 500mA
OVERVOLTAGE AND REVERSE VOLTAGE
PROTECTIONS
REVERSE VOLTAGE PROTECTION
SHORT CIRCUIT PROTECTION AND THER-
MAL SHUT-DOWN (with hysteresis)
LOW START UP CURRENT
DESCRIPTION
The devices are a monolithic integrated circuit in
Versawatt package specially designed to provide
a stabilized supply voltage for automotive and in-
dustrial electronic systems. Thanks to their very
BLOCK DIAGRAM
TO220
ORDERING NUMBER: L4945
L4950
L4951
low voltage drop, in automotive applications the
devices can work correctly even during the crank-
ing phase, when the battery voltage could fall as
low as 6V. Furthermore, they incorporate a com-
plete range of protection circuits against the dan-
gerous overvoltages always present on the bat-
tery rail of the car.
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
October 1992
1/6
Free Datasheet http://www.datasheet4u.net/

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