MOSFET for synchronous rectification

Details MOSFET for synchronous rectification MOSFET for synchronous rectification

2008-05-27

2008-05-27

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S566000

Reexamination Certificate

active

11804877

ABSTRACT:
This invention discloses a new MOSFET device. The MOSFET device has an improved operation characteristic achieved by connecting a shunt FET of low impedance to the MOSFET device. The shunt FET is to shunt a transient current therethrough. The shunt FET is employed for preventing an inadvertent turning on of the MOSFET device. The inadvertent turning on of the MOSFET may occur when a large voltage transient occurs at the drain of the MOSFET device. By connecting the gate of the shunt FET to the drain of the MOSFET device, a low impedance path is provided at the right point of time during the circuit operation to shunt the current without requiring any external circuitry.

REFERENCES:
patent: 6344768 (2002-02-01), Daun-Lindberg et al.
patent: 7116153 (2006-10-01), Pai

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