WS21351

datasheet pdf - http://www.DataSheet4U.net/ http://www.DataSheet4U.net/ WS21351 Half-bridge power IC for CFL lamps FEATURES ■ Integrated 600V half-bridge gate driver ■ Lower power level-shifting circuit ■ Adjustable oscillator frequency and preheat time ■ Maximum voltage of 600 V ■ Internal clamping zener diode ■ Soft start functionality Product Summary VOFFSET Duty Cycle Tr/Tp 600V Max. 50% 80/40ns 15.6V typ. 2μs Vclamp Deadtime (typ.) GERNERAL DESCRIPTION The WS21351 is a high-voltage monolithic integrated circuit which is designed for driving Compact Fluorescent Lamps (CFL) in a half-bridge configuration.WS21351 features a soft start function, an adjustable oscillator and an internal drive function with a high-voltage level shifter for driving the half bridge. Packages 8 Lead PDIP TYPICAL APPLICATION Rev. A Mar.2010 Copyright@Winsemi Microelectronics Co., Ltd., All right reserved. T11-1 datasheet pdf - http://www.DataSheet4U.net/ http://www.DataSheet4U.net/ WS21351 GENERAL INFORMATION Pin Configuration WS21351 TERMINAL ASSIGNMENTS Pin # 1 2 3 4 5 6 7 8 Name PGND OUT VDC VB VDD GND RMIN CPH Power ground Half bridge output High-voltage supply High-side floating supply Supply voltage Signal ground Oscillator frequency set resistor Preheating time set capacitor Description BLOCK DIAGRAM WS21351 2/7 Steady, keep you advance datasheet pdf - http://www.DataSheet4U.net/ http://www.DataSheet4U.net/ WS21351 ABSOLUTE MAXIMUM RATINGS Symbol VB VOUT VIN ICL dVOUT/...