A novel single-switch cascaded DC-DC converter of Boost and Buck-boost converters

Abstract

This paper proposes a novel single-switch dc-dc converter with voltage gain D/(1-D)2 by cascading a Boost converter and a Buck-boost converter. The proposed converter has the advantages of simple circuit structure and extended voltage conversion ratio. The operating principle and steady-state analysis of the proposed converter are discussed in detail. Finally, a prototype is implemented to verify theoretical analysis.