PULL UP AND PULLDOWN STABILISER CIRCUITS AND METHODS FOR GATE DRIVERS

Stabiliser circuits and methods are disclosed, for stabilizing a voltage at a gate driver terminal of a gate-driver for a driven transistor to a one of a high voltage and a low voltage, the stabilizer circuit comprising: a first transistor and a second transistor having respective first and second m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Guendouz, Badr, Baptistat, Nicolas Roger Michel Claude, Abouda, Pascal Kamel
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Stabiliser circuits and methods are disclosed, for stabilizing a voltage at a gate driver terminal of a gate-driver for a driven transistor to a one of a high voltage and a low voltage, the stabilizer circuit comprising: a first transistor and a second transistor having respective first and second main terminals and connected in series between the gate voltage terminal and a first reference voltage terminal; and a low-pass filter connected between a control terminal of the first transistor and the gate driver terminal; wherein the first transistor is configured to have a threshold voltage which is less that a threshold voltage of the driven transistor; and the second transistor has a control terminal which is configured to be connected to a voltage which is an oppositive of the voltage at the gate driver terminal.