Power driver circuit with reduced turnoff time

Details Power driver circuit with reduced turnoff time Power driver circuit with reduced turnoff time

1994-05-26

1996-08-27

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327374, 327377, 327396, 327442, H03K 1704, H03K 17296

Patent

active

055504973

ABSTRACT:
This application discloses circuit and method for reducing the turn-off time of a power transistor driving an inductive load. The circuit clamps the gate to source of a power transistor by using two field effect transistors as the current path across the gate and source of the power transistor. A zener diode connected from the source to gate of the two field effect transistors is used to provide high voltage protection.

REFERENCES:
patent: 3978350 (1976-08-01), Fletcher et al.
patent: 4042836 (1977-08-01), Crompton et al.
patent: 4886985 (1989-12-01), Flohrs et al.
patent: 4945396 (1990-07-01), Shigekane et al.

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