L4954 Datasheet - STMicroelectronics

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.

L4954 Datasheet (63.20 KB)