SIC9554A, SIC9552A - High Precision Non-Isolated Buck LED Driver

SI Semiconductors

SIC9554A Datasheet Preview — This datasheet PDF includes multiple part numbers: SIC9554A, SIC9552A. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	SIC9554A, SIC9552A
Manufacturer	SI Semiconductors
File Size	573.78 KB
Description	High Precision Non-Isolated Buck LED Driver
Datasheet	SIC9552A-SISemiconductors.pdf
Note	This datasheet PDF includes multiple part numbers: SIC9554A, SIC9552A. Please refer to the document for exact specifications by model.

SIC9554A Product details

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

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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Published: May 24, 2024 |