BUY SG5841SZ SOP8 https://www.utsource.net/itm/p/8929240.html

Description: The SG5841SZ is a high performance, fixed frequency current mode PWM controller. Features: High performance fixed frequency current mode PWM controller Internal leading edge blanking (LEB) Internal soft start Internal over temperature protection Internal over current protection Internal under voltage lockout Internal over voltage protection Internal current sense amplifier Internal oscillator Internal reference External synchronization External compensation External voltage feedback External current sense External slope compensation External frequency synchronization External voltage clamp Applications: Switching power supplies DC/DC converters AC/DC converters Motor control (For reference only)