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MP4027 - Offline LED Controller

General Description

The MP4027 is a primary-side-control, offline LED lighting controller.

In a tiny TSOT23-8 package, it achieves high power factor (PF) and accurate LED current for isolated, single-powerstage lighting applications.

Key Features

  • including over-voltage protection (OVP), short-circuit protection (SCP), primary-side over-current protection (OCP), brown-out protection, over-temperature protection (OTP), cycle-by-cycle current limit, VCC under-voltage lockout (UVLO), and autorestart function.

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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 MP4027 Primary-Side Control, Offline LED Controller with Active PFC, NTC and PWM Dimming DESCRIPTION The MP4027 is a primary-side-control, offline LED lighting controller. In a tiny TSOT23-8 package, it achieves high power factor (PF) and accurate LED current for isolated, single-powerstage lighting applications. This simplifies LED-lighting-system design significantly by eliminating the secondary-side feedback components and the optocoupler. The MP4027 integrates power factor correction (PFC) and valley switching mode to reduce MOSFET switching losses. The MP4027 has NTC function and allows PWM dimming.