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AL8862Q Datasheet AUTOMOTIVE GRADE 55V 1A STEP-DOWN CONVERTER

Manufacturer: Diodes Incorporated

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General Description

The AL8862Q is a step-down DC/DC converter designed to drive LEDs with a constant current.

The AL8862Q operates with an input supply voltage from 5V to 55V and provides an externally adjustable output current up to 1A.

Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors.

Overview

AL8862Q AUTOMOTIVE GRADE 55V 1A STEP-DOWN CONVERTER.

Key Features

  • Wide Input Voltage Range: 5V to 55V.
  • Output Current up to 1A.
  • Internal 55V NDMOS Switch.
  • Typical 4% Output Current Accuracy.
  • Single Pin for On/Off and Brightness Control by DC Voltage or PWM Signal.
  • High Efficiency (Up to 97%).
  • Fault Status Indication for Abnormal Operation.
  • LED Short-Circuit Protection.
  • Inherent Open-Circuit LED Protection.
  • Current-Sense Resistor Short-Circuit Protection.
  • Over Temperature Shutdown.
  • Up to 1MHz Switchin.

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