The UCC3818N is a high-performance, current-mode, pulse-width modulation (PWM) controller designed for off-line and DC-to-DC converter applications. It is designed to provide a wide range of operating frequencies, low parts count, and excellent line and load regulation.Features:* Wide operating frequency range: 50kHz to 500kHz* Internal soft-start* Internal current limit* Internal voltage clamp* Internal oscillator* Internal compensation* Undervoltage lockout* Overvoltage protection* Thermal shutdownApplications:* Switching power supplies* DC/DC converters* Battery chargers* Motor control* LED lighting(For reference only)
https://www.utsource.net/itm/p/913312.html