The SPC35201 is a switching power supply controller IC manufactured by Pro Power. It is an integrated circuit with an array of features and functions to provide efficient, reliable, and cost-effective power supply designs. It features integrated MOSFETs, current limit, under-voltage lockout, frequency compensation, overvoltage protection, and a power fail output. The SPC35201 is ideal for applications including general AC/DC power supplies, motor controllers, and uninterruptible power supplies.