POWER SUPPLY CIRCUIT

PROBLEM TO BE SOLVED: To provide a power supply circuit wherein power savings are achieved and multiple stable output voltages can be generated with a single transformer. SOLUTION: The secondary winding 22 of a transformer 10 is connected with a drive circuit 5 and a control circuit 6. In normal ope...

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Hauptverfasser:	KAI SHUNJI, MOTOHASHI MUNEYUKI, ISHII HIROSHI
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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power supply circuit wherein power savings are achieved and multiple stable output voltages can be generated with a single transformer. SOLUTION: The secondary winding 22 of a transformer 10 is connected with a drive circuit 5 and a control circuit 6. In normal operation, the switching operation of the transformer 10 is controlled to adjust the value of first output voltage supplied to the drive circuit 5. In power saving mode, the switching operation of the transformer 10 is controlled to adjust the value of second output voltage supplied to the control circuit 6. The voltage line that connects the secondary winding 22, and the control circuit 6 is connected with a series regulator 8 only in normal operation mode. COPYRIGHT: (C)2006,JPO&NCIPI