L4959 Datasheet, PDF (1/6 Pages) STMicroelectronics – MULTIFUNCTION VOLTAGE REGULATOR FOR HOME AUDIO

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L4959
MULTIFUNCTION VOLTAGE REGULATOR FOR HOME AUDIO
4 OUTPUTS:
12V (1.3A); 12V (0.8A); 8.6V (0.6A); 5.6V
(0.25A) STANDBY
OUT1 12V(a), OUT2 12V(b) AND OUT3 8.6V
WITH INDEPENDENT ENABLE CONTROL
FOR STAND-BY MODE
SHORT-CIRCUIT PROTECTION TO GROUND
THERMAL SHUTDOWN
DESCRIPTION
The L4959 is a monolithic Multifunction Voltage
Regulator, designed mainly for supplying Home
Audio systems. The L4959 contains one un-
switched linear 5.6V regulator for Micro, two
switched regulators 8.6V and 12V, suitable to
feed CD or CD players and LED, Signal Process.
An additional 12V regulator for Solenoid Motor an
CD_TRAY Driven is also available.
Multiwatt 11
ORDERING NUMBER: L4959
BLOCK DIAGRAM
2/10
VS
REF
GEN
8
EN 8V
7
EN 12V(a)
5
EN 12V(b)
January 1999
D97AU569C
5.6V, 250mA
REGULATOR
8.6V, 600mA
REGULATOR
SWITCHED
12V, 800mA
REGULATOR
SWITCHED
12V, 1.3A
REGULATOR
SWITCHED
3
OUT 5.6V
9
OUT 8.6V
11
OUT 12V(a)
1
OUT 12V(b)
GND
6
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