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L4952 Datasheet(PDF) 1 Page - STMicroelectronics

Part # L4952
Description  VOLTAGE REGULATOR FOR CAR RADIO APPLICATIONS
PDF  8 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4952 Datasheet(HTML) 1 Page - STMicroelectronics

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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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