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A4481 - 50mA Automotive Linear Regulator

General Description

The A4481 is a single low-dropout linear regulator with complete control, diagnostics, and protection

Key Features

  • 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 SOI.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.