KP22064QDGA is a high-performance Quasi-Resonant (QR) Flyback AC-DC power switch IC designed for high-efficiency charger and adapter applications. It integrates a 650V GaN power switch and advanced flyback control technology to achieve high power density, improved efficiency, and low standby power consumption.
The device supports DCM and QR flyback operation with primary-side regulation (PSR), eliminating the need for secondary-side feedback components. It provides stable constant-voltage output regulation and includes comprehensive protection features for reliable operation.
It is suitable for compact fast chargers, USB power adapters, and high-efficiency AC/DC power supplies.
