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SIC9552A - High Precision Non-Isolated Buck LED Driver

Datasheet Summary

Description

The SIC9552A/9553A/9554A/9555A/9556A are high precision buck LED drivers.

The chips are suitable for 85~265Vac universal input LED lighting applications.

Features

  • can greatly save both cost and size of the system. At the same time, it can ensure the consistency of parameters when making mass production of LED lighting devices. The SIC9552A/9553A/9554A/9555A/9556A have extensive protection features, including LED open protection, LED short protection, current sampling resistor short protection, VDD under-voltage protection, over-temperature protection. Features.
  • Internal 500V Power MOSFET.
  • Ultra Low Operating Current.
  • No Auxiliary Winding.

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Datasheet Details

Part number SIC9552A
Manufacturer SI Semiconductors
File Size 573.78 KB
Description High Precision Non-Isolated Buck LED Driver
Datasheet download datasheet SIC9552A Datasheet
Additional preview pages of the SIC9552A datasheet.

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Full PDF Text Transcription

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Shenzhen SI Semiconductors Co., LTD. High Precision Non-Isolated Buck LED Driver General Description Product Specification SIC9552A/9553A/9554A/9555A/9556A The SIC9552A/9553A/9554A/9555A/9556A are high precision buck LED drivers. The chips are suitable for 85~265Vac universal input LED lighting applications. The SIC9552A/9553A/9554A/9555A/9556A integrate high-precision sampling and compensation circuit, the constant current of circuit can achieve accuracy under ± 3%. It can also achieve the adaptive demand between both output inductor current and output voltage, so as to achieve good linear regulation and load regulation. The SIC9552A/9553A/9554A/9555A/9556A integrate 500V power MOSFET.
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