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This paper describes a power loss analysis of a proposed tapped-inductor buck converter which suitable for home DC power supply system. A laboratory prototype of a coin size (34mm × 26mm × 5mm) with DC 48V input to 1.2V/30A output was built and tested to verify the accuracy of the loss analysis. As a result, about 90% efficiency under middle and heavy load region can be achieved at 500kHz switching...
A power reduction technique for a fully balanced filter is proposed. In the filter novel low power active inductors are used for the inductance simulation. In the active inductor, an output stage of a transconductor is merged with a input stage of another transconductor. Because of the merger some bias current sources can be omitted and 33% reduction in the power consumption is achieved. Moreover,...
Micro magnetic device simulation studies are reviewed. Flux density distributions and loss analyses are summarized, and the authors' method of analysis using a transmission line model is described. These results are a very significant step toward the establishment of an optimal device design. It is expected that CAD techniques will be established in future.
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