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L4943

  

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L4943[MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO]

DESCRIPTION
The L4943 contains a triple voltage regulator and a high side driver. In stand-by the output is active as long as possible even when in thermal shutdown or under any other fault conditions. The STCAP pin allows the use of a reserve supply capacitor that will hold enough energy for the 5V Stand-by line to allow the µP to store data.

■ 3 PROGRAMMABLE OUTPUTS:
   ♦ 3 TO 11V (500mA);
   ♦ 3 TO 11V (500mA);
   ♦ 3 TO 7V (500mA) STANDBY
■ OUT1 AND OUT2 WITH INDEPENDENT ENABLE CONTROL FOR STAND-BY MODE
■ 0.4A HIGH SIDE DRIVER
■ LOAD DUMP PROTECTION
■ THERMAL SHUTDOWN

 

STMicroelectronics
ST-Microelectronics

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System  Voltage  Analog  Audio  Axial  Battery  Bipolar  Bridge  Camera  Chip  Clock  Color  Connector  Control  Controller  Converter  Counter  Crystal  Decoder  Digital 

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