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AL8400 - LINEAR LED DRIVER-CONTROLLER

General Description

The AL8400 is a 5-terminal adjustable Linear LED driver-controller offering excellent temperature stability and output handling capability.

The AL8400 simplifies the design of linear and isolated LED drivers.

Key Features

  • Low Reference Voltage (VFB = 0.2V).
  • -40 to +125°C Temperature Range.
  • 3% Reference Voltage Tolerance at +25°C.
  • Low Temperature Drift.
  • 0.2V to 18V Open-Collector Output.
  • High Power Supply Rejection:.
  • (> 45dB at 300kHz).
  • AL8400QSE-7 Automotive Grade qualified to AEC-Q100 Grade 1.
  • SOT353: Available in “Green” Molding Compound (No Br, Sb).
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free.

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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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  Green AL8400 /AL8400Q LINEAR LED DRIVER-CONTROLLER with 200mV CURRENT SENSE VOLTAGE and AUTOMOTIVE GRADE Description The AL8400 is a 5-terminal adjustable Linear LED driver-controller offering excellent temperature stability and output handling capability. The AL8400 simplifies the design of linear and isolated LED drivers. With its low 200mV current sense FB pin, it controls the regulation of LED current with minimal power dissipation when compared to traditional linear LED drivers. This makes it ideal for medium to high current LED driving. Pin Assignments The AL8400 open-collector output can operate from 0.2V to 18V enabling it to drive external MOSFET and Bipolar transistors. This enables the MOSFET and Bipolar selection to be optimized for the chosen application.