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AL8843Q - AUTOMOTIVE COMPLIANT 40V 3A STEP-DOWN LED DRIVER

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General Description

The AL8843Q is a hysteresis mode DC-DC step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage.

Overview

AL8843Q AUTOMOTIVE COMPLIANT 40V 3A STEP-DOWN LED DRIVER.

Key Features

  • Qualified to AEC-Q100 Grade 1.
  • Wide Input Voltage Range: 4.5V to 40V.
  • Output Current up to 3A.
  • Internal 40V NDMOS Switch.
  • Typical 4% Output Current Accuracy.
  • Single Pin for On/Off and Brightness Control by DC Voltage or PWM Signal.
  • Recommended Analog Dimming Range: 10% to 100%.
  • Soft-Start.
  • High Efficiency (Up to 97%).
  • LED Short Protection.
  • Inherent Open-Circuit LED Protection.
  • Over Temper.

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