65 kHz offline flyback and buck regulator with integrated 800 V CoolMOS™ superjunction MOSFET ICE5BR3995CZ is 5th gen CoolSET™ controller with a 950V CoolMOS™ MOSFET. It includes adjustable line overvoltage protection for unstable grids. With integrated MOSFET, it supports ultra-wide input voltage ranges for smart metering/industrial apps. Snubber circuitry can be optimized for better efficiency/standby performance. DIP-7 packaged, offers comprehensive protection features, EMI reduction, frequency reduction, and more.