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CS6552 - A High Precision Primary Side feedback Constant Current Control LED Controller

General Description

The CS6552 is a high precision primary-side-feedback LED lighting controller which integrates a 600V high voltage power MOSFET, it achieves 85Vac-265Vac input voltage and accurate LED current for single-power stage, isolated lighting applications.

Key Features

  • over-voltage protection, short-circuit protection, cycle-by-cycle current limit, VCC UVLO and over-temperature protection. The CS6552 will auto-restart when protection happens. Features.
  • Integrate 600V high voltage power MOSFET.
  • Primary-side-control Without Secondary-feedback Circuit.
  • High Precision LED Output current for 85Vac-265Vac Input Voltage.
  • Ultra-low(23μA) Start Up Current.
  • Discontinuous Conduction Mode Improves Efficiency.
  • Low(.

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Datasheet Details

Part number CS6552
Manufacturer Semico
File Size 302.29 KB
Description A High Precision Primary Side feedback Constant Current Control LED Controller
Datasheet download datasheet CS6552 Datasheet

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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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MOS IC CS6552 A High Precision Primary Side feedback Constant Current Control LED Controller The Document is Applied to: CS6552AEO,CS6552BEO,CS6552EO,CS6552CEO,CS6552DEO 1、General Description The CS6552 is a high precision primary-side-feedback LED lighting controller which integrates a 600V high voltage power MOSFET, it achieves 85Vac-265Vac input voltage and accurate LED current for single-power stage, isolated lighting applications. The constant current control method accurately controls the LED current from the primary side, and therefore significantly simplifies the LED lighting system design by eliminating the secondary side feedback components and opto-coupler. It also eliminates the need of loop compensation circuit while maintaining stability，and increase the reliability.