WS9227

WS9227ProductDescription High Precision PSR Constant Current LED Driver Features  Built-in 650V Power MOSFET  Constant current control without secondary sense and feedback circuit.  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 DIP-8 package and SOP-7 package Applications  LED bulb, spot light  Other LED lighting Description The WS9227 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 output power of system is recommended to less than 24W. The WS9227integrates 650V power MOSFET. Since adopting primary sense and...