WS9841

WS9841 Product Description WS9841 High Efficiency TRIAC dimmable LED Features  TRIAC dimmable  Internal 300V Power MOSFET  Critical Conduction Mode Operation  Ultra Low Operating Current  ±5% LED Output Current Accuracy  LED Open Protection  LED Short Protection  Current Sensing Resistor Short Protection  VCC Under Voltage Protection  Thermal Regulation Function  Available in SOP-8 Package Typical Appliction  LED Candle Light  LED Bulb  Other LED Lighting Driver Description The WS9841 is a high efficiency TRIAC dimmable LED driver. The device operates in critical conduction mode and is suitable for buck, buck-boost or fly-back LED lighting. The WS9841 integrates a 300V power MOSFET. It utilizes patent pending MOSFET driving technique and current sensing method. The operating current of the IC is very low. With very few external components count, it can achieve excellent constant current performance, so the system cost and size are greatly r...