Abstract
In this paper, a 4H-SiC lateral gate MOSFET incorporating a trench MOS channel diode at the source side is explored to improve the reverse recovery characteristics. In addition, a 2D numerical simulator (ATLAS) is used to investigate the electrical characteristics of the devices. The investigational results have demonstrated that the peak reverse recovery current is reduced by 63.5%, the reverse recovery charge is reduced by 24.5%, and the reverse recovery energy loss is decreased by 25.8%, with extra complexity in the fabrication process.
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