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L4947R

STMicroelectronics
Part Number L4947R
Manufacturer STMicroelectronics
Description 5V-0.5A VERY LOW DROP REGULATOR WITH RESET
Published Mar 22, 2005
Detailed Description ® L4947 L4947R 5V-0.5A VERY LOW DROP REGULATOR WITH RESET PRECISE OUTPUT VOLTAGE (5V ± 4%) OVER FULL TEMPERATURE RANGE...
Datasheet PDF File L4947R PDF File

L4947R
L4947R

Overview
® L4947 L4947R 5V-0.
5A VERY LOW DROP REGULATOR WITH RESET PRECISE OUTPUT VOLTAGE (5V ± 4%) OVER FULL TEMPERATURE RANGE (– 40 / 125 °C) VERY LOW VOLTAGE DROP (0.
75Vmax) OVER FULL T RANGE OUTPUT CURRENT UP TO 500mA RESET FUNCTION POWER-ON RESET DELAY PULSE DEFINED BY THE EXTERNAL CAPACITOR + 80V LOAD DUMP PROTECTION – 80V LOAD DUMP PROTECTION REVERSE VOLTAGE PROTECTION SHORT CIRCUIT PROTECTION AND THERMAL SHUT-DOWN (with hysteresis) LOW START UP CURRENT DESCRIPTION The L4947/L4947R is a monolithic integrated circuit in Pentawatt package specially designed to provide a stabilized supply voltage for automotive and industrial electronic systems.
Thanks to its very low voltage drop, in automotive applications the L4947/L4947R can work correctly even during the cranking phase, when the battery voltage BLOCK DIAGRAM Pentawatt ORDERING NUMBERS: L4947 L4947R could fall as low as 6V.
Furthermore, it incorporates a complete range of protection circuits against the dangerous overvoltages always...


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