Driver circuit, switching control circuit, and switching device

A driver circuit which is supplied with a positive power supply voltage, a negative power supply voltage, and an input signal, and drives a switching element including a control terminal according to the input signal includes: a first output terminal connected to the control terminal via a first imp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kawakami, Yoshihito, Uehara, Takahiro, Katase, Ginga, Ishii, Takuya
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:	A driver circuit which is supplied with a positive power supply voltage, a negative power supply voltage, and an input signal, and drives a switching element including a control terminal according to the input signal includes: a first output terminal connected to the control terminal via a first impedance circuit, and outputs the positive power supply voltage or the negative power supply voltage according to the input signal, to charge the control terminal and put the switching element into an ON state; a negative power supply terminal supplied with the negative power supply voltage; a negative voltage switch having a first end connected to the negative power supply terminal; a third output terminal connected to a second end of the negative voltage switch and to the control terminal via a second impedance circuit; and a first discharge switch disposed between the negative power supply terminal and the first output terminal.