Gate driving circuit and gate driving method of power MOSFET

Details Gate driving circuit and gate driving method of power MOSFET Gate driving circuit and gate driving method of power MOSFET

2005-07-27

2008-12-02

Lam, Tuan T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S109000, C327S110000

Reexamination Certificate

active

07459945

ABSTRACT:
A gate driving circuit and method which increases the switching frequency by use of a switching control circuit which controls operations of a first, second, third, and fourth switches. The switching control circuit performs switching control of a power MOSFET when the MOSFET is to be turned on, so that a period exists when the first and fourth switches are simultaneously ON. The switching circuit also performs switching control when a MOSFET is to be turned off, so that a period exists when the second and third switches are simultaneously ON.

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