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To achieve high power-density isolated dc-dc converter, gallium nitride high electron mobility transistors (GaN-HEMTs) and planar transformer have been used. Also, for the high power-density design, these components are placed close to each other. GaN-HEMTs are significantly affected by the leakage flux of the planar transformer, because of their lateral structure. Therefore, the mutual effects of...
Based on the conventional forward converter, the transformer's magnetizing inductance is made small, and a reset winding of the transformer is moved to the secondary side, and furthermore, the anode terminal of the freewheeling diode is connected at a different point. Then a novel topology of DC-DC converter is proposed, and its power efficiency is predicted to be improved. This converter has both...
The basic circuit of a push-pull parallel resonant converter with an input inductor is analyzed for the continuous conduction mode and the discontinuous conduction mode concerning the output-inductor current. It is found that the output voltage of this resonant converter is controlled by varying the switching frequency in the discontinuous conduction mode, while another power controller is required...
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