Gate driving circuit and semiconductor device

Details Gate driving circuit and semiconductor device Gate driving circuit and semiconductor device

2006-06-27

2006-06-27

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S112000

Reexamination Certificate

active

07068082

ABSTRACT:
A gate driving circuit according to the present invention having, an output circuit which is connected to a first power supply terminal and a ground terminal and, upon receiving an ON/OFF signal, changes a level of a gate output terminal between a power supply voltage and a ground voltage, a shunt switching element which is connected between the gate output terminal and the ground terminal and is ON/OFF-controlled upon receiving a shunt control signal, and an output shunt control circuit which monitors the level of the gate output terminal and outputs the shunt control signal, wherein when the level of the gate output terminal decreases to not more than a first threshold value, the output shunt control circuit turns on the shunt switching element, and while the level is not more than a second threshold value larger than the first threshold value, the output shunt control circuit supplies the shunt control signal to said shunt switching element to maintain an ON state of the shunt switching element.

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