SIC9553A 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 pensation circuit, the constant current of circuit can achieve accuracy under ± 3%.
SIC9553A Key Features
- Internal 500V Power MOSFET
- Ultra Low Operating Current
- No Auxiliary Winding
- ±3% LED Output Current Accuracy
- Inductor Current Critical Continuous Mode
- Excellent Line and Load Regulation