L4959
DESCRIPTION
The L4959 is a monolithic Multifunction Voltage Regulator, designed mainly for supplying Home Audio systems. The L4959 contains one unswitched 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 5.6V, 250m A REGULATOR 8.6V, 600m A REGULATOR SWITCHED EN 8V 8 12V, 800m A REGULATOR SWITCHED EN 12V(a) 7 12V, 1.3A REGULATOR SWITCHED EN 12V(b) 5 1 11
OUT 5.6V
REF GEN
OUT 8.6V
OUT 12V(a)
OUT 12V(b)
D97AU569C
January 1999
1/6
ABSOLUTE MAXIMUM RATINGS
Symbol VS IO Top Tstg DC Supply Voltage Output Current Operating Temperature Range Storage Temperature Parameter Value 35 internally limited 0 to +70
- 40 to 150 °C °C Unit V
PIN CONNECTION (Top view)
11 10 9 8 7 6 5 4 3 2 1
OUT 12V(a) VS OUT 8.6V EN 8.6V EN 12V(a) GND EN 12V(b) N.C. OUT...
