硅和硅二极管降压DC-DC变换器的仿真

Nikita Yu. Burtsev, O. Kozhemyak
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引用次数: 0

摘要

本文给出了采用不同类型二极管的脉冲DC-DC降压变换器的仿真结果。仿真结果表明,采用碳化硅二极管代替普通硅二极管可获得最佳的性能。它还表明,电路中的寄生电感显着增加了二极管关闭时的功率损耗,并减少了晶体管打开时的损耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation of the Step-Down DC-DC converter with Si-and SiC-diodes
The article presents the results of simulation of pulse DC-DC step-down converter with different types of diodes. Simulations have shown that the use of a silicon carbide diode instead of convenient silicon diode gives the best performance. It also shown, the parasitic inductances in the circuit significantly increase the power losses when the diode is switched-off and reduce the losses when the transistor is switched-on.
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