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电子工程专辑
21 天
MOSFET的米勒电容Cgd很重要,1400字教你两种方式准确计算出电路中的 ...
在开关过程中,漏极电压变化会导致栅极电压出现额外的充放电需求,减慢开关速度。 MOSFET的Cgs、Cgd、Cds 都是非线性电容,它们随漏源电压(Vds)和栅源电压(Vgs)的变化而变化,Cgs通常为恒定值,因为它主要由栅极与沟道的重叠区域决定。Cgd在低Vds时较大 ...
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