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This paper focuses on a new dc-dc family, in which the lagging leg of a phase-shifted full bridge (PSFB) converter is also used to structure a new half bridge (HB) branch. Such a shared-lagging-leg (SLL) concept not only extends the ZVS range of lagging leg, but also provides another energy path for possible function extension, such as efficiency improvement and dynamical enhancement. In this paper,...
A family of multiple-output converters with the shared leg structure is analyzed, summarized and generalized in this paper. Since the full bridge (FB) and half bridge (HB) converters include the same bridge-leg structure, one of these legs can be shared by the appropriate design. With the shared leg, many benefits can be obtained: the structure is compact; all the outputs are still tightly regulated;...
A dual output dc-dc converter with shared ZCS lagging leg is presented in this paper. In this proposed converter, the two outputs are formed by their independent leading legs and the common lagging leg. Each output is regulated by the phase shift between their leading legs and the shared lagging leg. The leading legs work in zero-voltage-switching (ZVS) mode, and the ZVS condition is easy to satisfy;...
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