BUY HA17451FP https://www.utsource.net/itm/p/1720435.html
Voltage-Mode SMPS Controller
Description: HA17451FP is a high-speed, low-power, low-voltage, single-chip CMOS 8-bit microcontroller with a built-in ROM, RAM, I/O ports, and timer/counter. Features: - 8-bit CPU core - Built-in ROM, RAM, I/O ports, and timer/counter - Low-voltage operation (2.7V to 5.5V) - High-speed operation (up to 20MHz) - Low power consumption - On-chip oscillator - On-chip reset circuit Applications: - Automotive applications - Home appliances - Industrial control - Office automation - Personal electronics (For reference only)