Trigger circuit for a field-effect-controlled power semiconducto

Details Trigger circuit for a field-effect-controlled power semiconducto Trigger circuit for a field-effect-controlled power semiconducto

1997-08-04

2000-01-25

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Accelerating switching

327546, 327389, 327377, 361101, 323277, H03K 17687

Patent

active

060182636

ABSTRACT:
A trigger circuit for a field-effect-controlled power semiconductor component has a controllable gate resistor for the power semiconductor component, which has low impedance in a normal situation and is switched to high impedance in the event of a short circuit. As a result, the turn-on time in the normal situation is shortened, and limiting the gate-to-source voltage of the power semiconductor component in the short-circuit situation is made possible.

REFERENCES:
patent: 4877982 (1989-10-01), Walker

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