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This paper describes a high step-down unregulated, fixed-ratio DC-DC converter (DCX) based on the dual active bridge (DAB) power stage operating at high switching frequency using enhancement-mode Gallium-Nitride-on-Silicon (GaN) transistors. The DAB power stage design as well as a comparison of losses using GaN and silicon MOS devices is based on a detailed state-plane analysis of resonant transitions...
The Objective of this paper is to design LCC resonant converter with 200W, 250 KHz switching frequency which is used for radar power supply and to verify the results using PSPICE Simulation for wide variation in loading conditions. We have used motor load (R-L-E) and embedded based triggering circuit. The embedded `C' Program is checked in Keil Software and also triggering circuit is simulated in...
Many studies concern high-switching frequency, monolithic DC/DC converters in the 1-W range for battery-powered handsets (up to 5 V-input voltage). The major limitation in the design of hard-switching, high-frequency DC/DC SMPSs comes from the increased switching losses in the 100 MHz range of switching frequency. The contribution of a robust resonant gate driver is considered for the reduction of...
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