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L4953K - MULTIFUNCTION VOLTAGE REGULATOR

General Description

The L4953K contains a triple voltage regulator and a power switch.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® L4953K MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO 3 OUTPUTS: 8.25V (500mA); 5V (1A); 5V (100mA) STANDBY OUT1 (8.25V) AND OUT2 (5V) WITH INDEPENDENT ENABLE CONTROL FOR STANDBY MODE 1.5A HIGH SIDE DRIVER WITH CLAMPED OUTPUT (16V) LOGIC OUTPUT FOR: – SUPPLY UNDERVOLTAGE (LVW) – OVERVOLTAGE(FAULT) – THERMAL PROTECTION (FAULT) RESET FUNCTION IGNITION COMPARATOR REVERSE BATTERY AND LOAD DUMP PROTECTION THERMAL SHUTDOWN DESCRIPTION The L4953K contains a triple voltage regulator and a power switch. The IC includes a monitoring circuit to warn if a BLOCK DIAGRAM VS 7 LOAD DUMP AND REV BATT PROT SIG GND 3 5V, 100mA REGULATOR STAND-BY 5V, 1000mA REGULATOR SWITCHED 11 Multiwatt 15 ORDERING NUMBER: L4953K low voltage or no voltage condition is occuring.