BUY VIPER17LN https://www.utsource.net/itm/p/11269533.html

Description: VIPER17LN is a low-power, high-performance, fixed-frequency, current-mode, pulse-width modulation (PWM) controller. Features: Low start-up current Low operating current Internal soft start Internal oscillator Under-voltage lockout Over-temperature protection Over-current protection Short-circuit protection Output current limiting Output voltage tracking Programmable frequency Programmable dead time Programmable soft start Programmable current limit Programmable slope compensation Programmable voltage feed-forward Programmable line compensation Applications: Switching power supplies DC/DC converters Motor control Battery chargers LED lighting Solar inverters (For reference only)