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L4959 Datasheet(PDF) 1 Page - STMicroelectronics

Part # L4959
Description  MULTIFUNCTION VOLTAGE REGULATOR FOR HOME AUDIO
PDF  6 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4959 Datasheet(HTML) 1 Page - STMicroelectronics

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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.
January 1999
®
5.6V, 250mA
REGULATOR
REF
GEN
8.6V, 600mA
REGULATOR
SWITCHED
12V, 800mA
REGULATOR
SWITCHED
12V, 1.3A
REGULATOR
SWITCHED
VS
2/10
GND
6
EN 8V
8
EN 12V(a)
7
EN 12V(b)
5
3
OUT 5.6V
9
OUT 8.6V
11
OUT 12V(a)
1
OUT 12V(b)
D97AU569C
BLOCK DIAGRAM
Multiwatt 11
ORDERING NUMBER: L4959
1/6


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