BUY LD7575PN https://www.utsource.net/itm/p/11565494.html

Description: The LD7575PN is a high-performance, low-cost, low-power, single-chip pulse width modulation (PWM) controller. Features: Low-cost, low-power PWM controller High-performance PWM control Internal oscillator Programmable frequency Programmable dead time Programmable current limit Programmable soft-start Programmable over-current protection Programmable over-voltage protection Programmable under-voltage protection Programmable over-temperature protection Programmable over-load protection Programmable short-circuit protection Programmable power-good signal Applications: Switching power supplies DC-DC converters Motor control LED lighting Battery chargers (For reference only)