DESCRIPTION
WS3412 Active PFC Non-isolated Buck LED Driver FEATURES
High Power Factor Correction, Low Total Harmonic Distortion Dynamic Temperature Compensation 550V Power MOSFET Integrated No Auxiliary Winding For Supplying SOP8 Package, Up To 260mA Output Current Valley Switching, High efficiency, Low EMI Automatic Compensate the Inductance Variation Automatic Adapt to the Change of Output Voltage LED Short Circuit Protection Over Voltage Protection Over Temperature Protection Open Circuit Protection Few External Components APPLICATIONS
LED Driver Supply Typical Application Circuit GENERAL DESCRIPTION
The truly constant current LED is realized. The WS3412 integrates 550V power MOSFET, using SOP 8 package, producing up to 260mA output current. It can achieve excellent constant current performance with very few external components. The WS3412 offers rich protection functions, including over voltage protection, LED short circuit protection, cycle by cycle current limiting, dynamic temperature compensation, over temperature protection and soft start.
WINSEMI
