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A4481

Part Number	A4481
Manufacturer	Allegro
Description	50mA Automotive Linear Regulator
Published	Aug 1, 2018
Detailed Description	A4481 5 VOUT , 50 mA Automotive Linear Regulator with 50 V Load Dump and Short-to-Battery Protection FEATURES AND BENEF...
Datasheet	A4481 PDF File

Overview

A4481 5 VOUT , 50 mA Automotive Linear Regulator with 50 V Load Dump and Short-to-Battery Protection FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • 5.
25 to 40 VIN operating range, 50 V load dump rating • 5 V ±1% internal LDO regulator • Foldback short-circuit protection • Short-to-battery protection (to 32 V, independent of VIN) for harness faults • Power OK (POK) flag • High-voltage logic level enable input (ENB) for microprocessor control or connection directly to battery • Pin-to-pin and pin-to-ground tolerant at every pin Package: 8-pin SOIC with exposed thermal pad (suffix LJ) DESCRIPTION The A4481 is a single low-dropout linear regulator with complete control, diagnostics, and protection features that address many requirements of automotive applications.
It regulates input voltages from 5.
25 to 40 V, down to 5 V ±1% output voltage and is able to supply up to 50 mA of load current.
Diagnostic output from the A4481 includes Power OK (POK) output to alert the microprocess...

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