WS21351 Datasheet, PDF (1/7 Pages) Shenzhen Winsemi Microelectronics Co., Ltd – Half-bridge power IC for CFL lamps

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
Vclamp
Deadtime (typ.)
600V Max.
50%
80/40ns
15.6V typ.
2μs
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.
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