BUY TOP224Y https://www.utsource.net/itm/p/481999.html
Three-terminal Off-line PWM Switch
Description: The TOP224Y is a high performance fixed frequency off-line Pulse Width Modulator (PWM) Switching Regulator IC with built-in 700V power MOSFET. Feature: Low startup current Very low operating voltage No external components are required Soft start and low loss Internal temperature protection Short circuit protection Over-current protection Overvoltage protection Application: The TOP224Y is suitable for a wide range of fixed frequency off-line power supply applications such as microwave ovens, air-conditioners, television receivers, printers, and computer peripheral supplies. (For reference only)