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电子工程专辑
13 天
MOSFET驱动电路栅极电阻的阻值如何计算?有三大因素要考虑,1400字 ...
1.限制充放电电流 MOSFET栅极寄生电容在电平转换时需要充放电,直接驱动可能会引起瞬间的高峰电流。串联电阻可以限制这一充放电电流,保护驱动电路不受大电流冲击,避免因过大电流导致的器件损坏,如何我们用驱动器驱动MOSFET时一般不需要担心,但是有 ...
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