The RDK01DB1561 is a digital configurable LLC and PFC combo controller for high efficiency resonant power supplies. It includes both the LLC controller functionality and PFC controller operating in DCM and QR mode. It comes in a low profile and narrow body-width SO16 package. The RDK01DB1561 digital architecture is based on a high-speed configurable hardware state machine ensuring very reliable real-time performance. During the power supply development, many operation and protection settings of the LLC and PFC controller can be adjusted by loading new settings into the device to meet specific application requirements.