SIC9553A Datasheet High Precision Non-Isolated Buck LED Driver

Manufacturer: SI Semiconductors

Download the SIC9553A datasheet PDF. This datasheet also includes the SIC9552A variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

SIC9553A high precision non-isolated buck led driver by SI Semiconductors - Datasheet Preview — Note: The manufacturer provides a single datasheet file (SIC9552A-SISemiconductors.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	SIC9553A
Manufacturer	SI Semiconductors
File Size	573.78 KB
Description	High Precision Non-Isolated Buck LED Driver
Datasheet	SIC9553A Datasheet

General Description

产品规格书 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%.

Overview

深圳深爱半导体股份有限公司 Shenzhen SI Semiconductors Co., LTD.

High Precision Non-Isolated Buck LED.

Key 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.

More Datasheets from SI Semiconductors

Part Number	Description
SIC9552A	High Precision Non-Isolated Buck LED Driver
SIC9554A	High Precision Non-Isolated Buck LED Driver
SIC9555A	High Precision Non-Isolated Buck LED Driver
SIC9556A	High Precision Non-Isolated Buck LED Driver
SIC9752	High Precision Non-Isolated Buck APFC LED Driver
SIC9753	High Precision Non-Isolated Buck APFC LED Driver
SIC9762D	Main Line Power Up Non-Isolated Buck APFC LED Driver
SIC9763D	Main Line Power Up Non-Isolated Buck APFC LED Driver
SIC9763D	Main Line Power Up Non-Isolated Buck APFC LED Driver
SIC9764D	Main Line Power Up Non-Isolated Buck APFC LED Driver