BUY MC34025P https://www.utsource.net/itm/p/194769.html
Battery-Backup Supervisors for RAM Retention 8-MSOP -40 to 85
Description: The MC34025P is a high-performance, low-power, monolithic, CMOS, PWM control circuit. Features: Wide 5V to 40V operating supply voltage range Low standby current High frequency operation up to 500kHz Internal oscillator Programmable dead time Programmable oscillator frequency Programmable maximum duty cycle Programmable current limit Programmable soft start Programmable undervoltage lockout Programmable overvoltage protection Programmable short-circuit protection Programmable thermal shutdown Programmable dead time Undervoltage lockout Overvoltage protection Applications: Motor control Switching power supplies Battery chargers DC-DC converters Lighting control (For reference only)