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L4954 Datasheet - STMicroelectronics

L4954_STMicroelectronics.pdf

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Datasheet Details

Part number:

L4954

Manufacturer:

STMicroelectronics ↗

File Size:

63.20 KB

Description:

Quad multifunction voltage regulator.

L4954, QUAD MULTIFUNCTION VOLTAGE REGULATOR

L4954 is a quad output voltage regulator and a BLOCK DIAGRAM VS STCAP VOLTAGE REFERENCE Multiwatt15 ORDERING NUMBER: L4954 three output high side driver.

The IC includes monitoring circuitry to warn the microprocessor of a low voltage condition: the LVWarn, output, sensing the slow dropping of ST

® L4954 QUAD MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO 4 REGULATORS 10V (40mA); 8.5V (175mA); 5V (650mA); 5V (100mA) STANDBY 10V AND 5V STAND BY REGULATORS ARE LOW DROPOUT OUTPUTS 3 HIGH SIDE DRIVERS: 2A (HSD1), 0.3A (HSD2 & HSD3) NO EXTERNAL CHARGE PUMP CAPACITORS ARE REQUIRED STAND BY MODE CONTROLLED BY 3 INPUT PINS: EN1 FOR REG1, REG2, REG3 AND HSD1, EN2 FOR HSD2, AND EN3 FOR HSD3 INDIVIDUAL THERMAL SHUTDOWN LOGIC OUTPUTS FOR SUPPLY UNDERVOLTAGE: (LVWARN, RESET) INDEPENDENT CURRENT LIMI

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