Invention Grant
US09548739B2 Drive for cascode stack of power FETs 有权
驱动用于级联堆叠的功率FET

Drive for cascode stack of power FETs
Abstract:
Disclosed is a cascode configuration that moves the gate of the cascode substantially without delay relative to an output node by capacitively coupling the latter onto the cascode gates. The passive coupling eliminates the need for actively driving the gates of the cascode. In some embodiments, the only circuitry needed on the cascode gate may be a biasing circuit that limits the swing on the cascode gate between Vmax and 2×Vmax, where Vmax is a transistor device rating.
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