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.

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