WS9224 Overview
The WS9224 is a high precision primary-side feedback and regulation controller for LED lighting, it operates in constant current control mode and is designed to work in inductor current discontinuous conduction mode and especially suitable for fly back convertor under universal input. The WS9224 integrates 650V power MOSFET. Since adopting primary sense and feedback control technology, the secondary sense and...
WS9224 Key Features
- Built-in 650V Power MOSFET
- Constant current control without secondary sense and
- No Auxiliary winding for sensing and supplying
- Ultra low operating current to improve efficiency
- Universal input voltage
- ±5% LED current accuracy
- LED short and open circuit protection
- VCC under-voltage protection
- Over temperature protection
- Available in SOP-7 package