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A resonant half bridge dual converter
The half bridge dual converter has been previously presented by the authors for applications in photovoltaic module integrated power converters (MIC). While this relatively new converter is potentially very suitable for converting high current low voltage supplies to higher voltage levels, it does require very low transformer leakage inductance when operated in a hard-switched mode. This paper presents a resonant form of this converter which can actively utilise the primary-secondary leakage inductance as well as the mosfet drain-source capacitance. Experimental results are presented for a 1MHz, 85W converter for a MIC application.