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AL5890 - 400V Constant Current LED Driver

General Description

The AL5890 is a 400V constant current LED driver and it provides a cost-effective two pin solution.

It has good temperature stability and the current accuracy of < ±2.0mA (typ.) regulated over a wide voltage and temperature range.

Key Features

  • DC up to 400V Operating Voltage With Long LED Chains Subject to Package Thermal Constraint.
  • LED Current Tolerance Over Wide Temperature Range < ±2.0mA (typ. ).
  • Thermal Foldback Protection.
  • 10mA, 15mA, 20mA, 30mA, and 40mA pre-fixed Constant Output Current Options.
  • PowerDI123 (Type B), SOT89 and TO252 (Standard) Thermally Enhanced Packages.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3) In 1 Out 2 NC 3.

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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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NOT RECOMMENDED FOR NEW DESIGN USE AL5809 AL5890 400V CONSTANT CURRENT LED DRIVER Description The AL5890 is a 400V constant current LED driver and it provides a cost-effective two pin solution. It has good temperature stability and the current accuracy of < ±2.0mA (typ.) regulated over a wide voltage and temperature range. The AL5890 comes in various or pre-fixed output current options removing the need for external current setting resistors and creating a simple driver solution for the series of LEDs. The AL5890 supports both the high-side and low-side driving of LED chains. The AL5890 turns on when the voltage between IN and OUT is greater than 7V. Long LED chain application up to 400V operating voltage subject to package thermal limitation.