The KP1264FMSPA AC-DC Controllers & Regulators ROHS, manufactured by KIWI, is a high-performance analog PWM fusing controller. It is housed in 4-pin SOP-7 surface-mount package. It has three pins for control signals, one pin for the power input, and an ESD protection pin. It provides efficient control of single, dual, and triple phase AC to DC conversion applications. The KP1264FMSPA integrates error correction techniques, cycle-by-cycle current-limit, short circuit protection, and operates from a 9-60V DC input voltage range. It also features power source select pin compatible with both positive and negative logic. The KP1264FMSPA has an operating temperature range from 0°C to 70°C.