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L4945 Datasheet

Part NameL4945 ST-Microelectronics
STMicroelectronics ST-Microelectronics
Description5V VERY LOW DROP VOLTAGE REGULATOR
L4945 Datasheet PDF : L4945 pdf   
L4945 Datasheet

DESCRIPTION
The L4945 is a monolithic integrated circuit in Versawatt package specially designed to provide a stabilized supply voltage for automotive and in dustrial electronic systems. Thanks to their very low voltage drop, in automotive applications the devices can work correctly even during the cranking phase, when the battery voltage could fall as low as 6V. Furthermore, they incorporate a complete range of protection circuits against the dangerous overvoltages always present on the battery rail of the car.

■ 5V ± 4% PRECISE OUTPUT VOLTAGE OVER FULL TEMPERATURE RANGE (– 40 / 125 °C)
■ VERY LOW VOLTAGE DROP (0.75Vmax) OVER FULL TEMPERATURE RANGE
■ OUTPUT CURRENT UP TO 500mA
■ OVERVOLTAGE AND REVERSE VOLTAGE PROTECTIONS
■ REVERSE VOLTAGE PROTECTION
■ SHORT CIRCUIT PROTECTION AND THERMAL SHUT-DOWN (with hysteresis)
■ LOW START UP CURRENT

 

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