Steady-state analysis and design optimization of an inductor-transformer resonant DC-DC converter

The authors present a closed-form steady-state analysis of an inductor transformer resonant DC-DC power converter. This efficient method of analysis, which directly predicts the steady-state characteristics of the circuit, is used to develop an optimal design methodology. Normalized optimum design tables and curves are derived. The optimization procedure is summarized and is illustrated by a design example. State plane analysis is used to show the important role of the circuit leakage inductances on the steady-state performance of the system. Experimental results obtained from a prototype converter are used to verify the analytical results. >

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