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电子工程专辑
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既然MOSFET栅-源阻抗非常大,为什么设计驱动MOS电路的栅极电流还要大 ...
三极管是流控型器件,通过电流控制三极管的工作区,而MOSFET与之相对是压控型器件 ... t4:Vd电压降低为:Id*Rds(on),MOS开始进入饱和区,此时Vd不再受传输特性限制(与Id有关),并开始自由增加。到达t4时间点,Vg电压达到gate电流源电压。在此阶段,Vgs正比 ...
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