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Technical Article
硬开关中的DFN及TO220的氮化镓器件
Release date:2023-04-12
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Category:Technical Article
Views:576次
DFN封装在开通过程中,电压和电流的斜率明显高于TO220封装。因为DFN封装有开尔文脚,有更小的共源极电感和回路电感
因此,DFN封装的开通损耗比TO220小很多
就关断损耗而言,TO220会发生更严重振荡
在大电流关断的时候,TO220甚至出现了误导通的现象。这使得TO220的关断损耗大大增加
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