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MP4026 - Offline LED Controller

General Description

The MP4026 is a primary-side-control, offline LED controller that achieves high-power factor and accurate LED current for isolated, singlepower-stage lighting applications in a tiny TSOT23-6 package.

It is the next generation of the successful MP4021A.

Key Features

  • greatly enhance system reliability and safety. These features include over-voltage protection, short-circuit protection, primary-side over-current protection, brown out protection, cycle-by-cycle current limiting, VCC under-voltage lockout, and auto-restart over-temperature protection.

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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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The Future of Analog IC Technology MP4026 Primary-Side-Control, Offline LED Controller with Active PFC DESCRIPTION The MP4026 is a primary-side-control, offline LED controller that achieves high-power factor and accurate LED current for isolated, singlepower-stage lighting applications in a tiny TSOT23-6 package. It is the next generation of the successful MP4021A. The proprietary realcurrent-control method accurately controls LED current from primary-side information with good line and load regulation. The primary-side-control eliminates the secondary-side feedback components and the opto-coupler to significantly simplify LED-lighting-system design. The MP4026 integrates power-factor correction and works in valley switching mode to reduce MOSFET switching losses.