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AL8820 - 2A BOOST/BUCK LED DRIVER

General Description

The AL8820 is a highly integrated high performance LED driver optimized for MR16/AR111 and other similar LED lamp applications.

Key Features

  • Wide Input Voltage Range: 5V to 36V.
  • Internal 40V NDMOS Switch.
  • 2A Output Current.
  • Continuous Conduction Mode (CCM) Operation.
  • Up to 1MHz Switching Frequency.
  • High PF > 0.9 and Low THD < 30% and Low Ripple < 20%.
  • Internal Protections.
  • Under Voltage Lock Out (UVLO).
  • Output Open/Short Protection.
  • Over Temperature Protection (OTP).
  • SO-8EP.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Devi.

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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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Description NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATE PART AL8820 40V, 2A BOOST/BUCK LED DRIVER Pin Assignments The AL8820 is a highly integrated high performance LED driver optimized for MR16/AR111 and other similar LED lamp applications. With a proprietary control scheme, the LED driver is compatible with many commonly used electronic transformers and meets High Power Factor (PF) and low Total Harmonic Distortion (THD) requirements for these applications. The device integrates two DC/DC converters. The Two stage design offers superior performance for MR16/AR111 applications. The first stage is a boost PFC stage which improves PF, reduces EMI, powers up the Buck stage and the compatibility of Electronic Transformers.