Efficiency Modeling of the Flying Capacitor Multilevel Flyback Converter

This work establishes an efficiency model for the new flying capacitor multilevel flyback converter (FCMFC) topology. The converter is suitable for efficient DC-DC power conversion in continuous conduction mode. Textbook and publication materials are used to develop the theoretical model which is verified using LTSpice and multiple hardware prototypes. Accounting for all loss mechanisms, the model developed can predict hardware efficiency within 0.51% accuracy tolerance for FCMFCs.