L4952

VOLTAGE REGULATOR FOR CAR RADIO APPLICATIONS

OPERATION SUPPLY VOLTAGE 9.5 TO 28V

PEAK SUPPLY OVERVOLTAGE PULSE UP

TO 52V (VS. GND)

FIXED OUTPUT VOLTAGE OF 8.6

± 0.2V

AND OUTPUT CURRENT UP TO 150mA

VERY LOW DROP OUTPUT STAGE WITH

LOW OUTPUT VOLTAGE DIAGNOSTIC

OUTPUT SHORT CIRCUIT AND THERMAL

OVERLOAD PROTECTION

VERY LOW STANDBY CURRENT (DEVICE

DISABLED)

TWO

INTERNAL

OUTPUT

VOLTAGE

SWITCHES WITH LOW DROPOUT FOR

AM/FM SWITCHING

DRIVER CIRCUIT FOR EXTERNAL HIGH

SIDE SWITCH WITH DROP MONITORING

ENABLE INPUT TO SWITCH ON THE DE-

VICE

ADDITIONAL 10V VERY LOW DROP REGU-

LATOR TO SUPPLY THE VARICAP

DESCRIPTION

The L4952 is a monolithic voltage regulator in an

advanced BCD60II process with high efficient p-

channel transistor. This device is optimized for

Car Radio applications to obtain optimum per-

formance and supply system integration with high

flexibility and minimum peripheral components.

June 2000

®

BLOCK DIAGRAM

SO20 (12+4+4)

ORDERING NUMBER: L4952D

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