Negative voltage generation circuit and power conversion device using same

A negative voltage generation circuit 200 includes a first DC voltage source 201 having a positive terminal connected to a first node N1 (Vin), a first diode 202 having a cathode connected to a negative terminal of the first DC voltage source 201 and an anode connected to an output terminal of a fir...

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Bibliographische Detailangaben
Hauptverfasser:	Ootabara, Yuuki, Nakahara, Ken, Okawauchi, Yuta, Nakakohara, Yusuke, Nagai, Shinichiro
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 negative voltage generation circuit 200 includes a first DC voltage source 201 having a positive terminal connected to a first node N1 (Vin), a first diode 202 having a cathode connected to a negative terminal of the first DC voltage source 201 and an anode connected to an output terminal of a first negative voltage VC1 (fourth node N4), and a first capacitor 204 having a first terminal connected to an output terminal of the first negative voltage VC1 and a second terminal connected to a second node N2 (Vs_high), so as to supply the first negative voltage VC1 to a first driver 20 that performs switching control of a first NMOSFET 11 (first switch element) connected between the first node N1 (Vin) and the second node N2 (Vs_high).