POWER SUPPLY CIRCUIT

PROBLEM TO BE SOLVED: To provide a power supply circuit for a DC-DC converter or the like, having a wide range of allowable input voltage range and low loss 1. SOLUTION: A DC input voltage Vi is applied to the primary winding of a transformer 10 via two FETs 3, 6, and these FETs 3, 6 are on/off-cont...

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1. Verfasser:	MURATA NORITAKA
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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creator	MURATA NORITAKA
description	PROBLEM TO BE SOLVED: To provide a power supply circuit for a DC-DC converter or the like, having a wide range of allowable input voltage range and low loss 1. SOLUTION: A DC input voltage Vi is applied to the primary winding of a transformer 10 via two FETs 3, 6, and these FETs 3, 6 are on/off-controlled at the same time by a control part 7 and a drive part 8. When the FETs 3, 6 are switched off, excitation energy stored in the transformer 10 appears in a resonance circuit by the output volume of the inductance of a primary winding 11 and the FETs 3, 6 as flyback voltage. Therefore, the induced voltage, corresponding to the flyback voltage, is outputted in a secondary winding 12. The induced voltage is converted into a DC output voltage Vo by a rectifying circuit consisting of diodes 21, 22 and a smoothing circuit consisting of an inductor 23 and a capacitor 24 and is supplied to a load 30.
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SOLUTION: A DC input voltage Vi is applied to the primary winding of a transformer 10 via two FETs 3, 6, and these FETs 3, 6 are on/off-controlled at the same time by a control part 7 and a drive part 8. When the FETs 3, 6 are switched off, excitation energy stored in the transformer 10 appears in a resonance circuit by the output volume of the inductance of a primary winding 11 and the FETs 3, 6 as flyback voltage. Therefore, the induced voltage, corresponding to the flyback voltage, is outputted in a secondary winding 12. The induced voltage is converted into a DC output voltage Vo by a rectifying circuit consisting of diodes 21, 22 and a smoothing circuit consisting of an inductor 23 and a capacitor 24 and is supplied to a load 30.</description><edition>7</edition><language>eng</language><subject>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</subject><creationdate>2003</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030509&DB=EPODOC&CC=JP&NR=2003134819A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030509&DB=EPODOC&CC=JP&NR=2003134819A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MURATA NORITAKA</creatorcontrib><title>POWER SUPPLY CIRCUIT</title><description>PROBLEM TO BE SOLVED: To provide a power supply circuit for a DC-DC converter or the like, having a wide range of allowable input voltage range and low loss 1. SOLUTION: A DC input voltage Vi is applied to the primary winding of a transformer 10 via two FETs 3, 6, and these FETs 3, 6 are on/off-controlled at the same time by a control part 7 and a drive part 8. When the FETs 3, 6 are switched off, excitation energy stored in the transformer 10 appears in a resonance circuit by the output volume of the inductance of a primary winding 11 and the FETs 3, 6 as flyback voltage. Therefore, the induced voltage, corresponding to the flyback voltage, is outputted in a secondary winding 12. 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SOLUTION: A DC input voltage Vi is applied to the primary winding of a transformer 10 via two FETs 3, 6, and these FETs 3, 6 are on/off-controlled at the same time by a control part 7 and a drive part 8. When the FETs 3, 6 are switched off, excitation energy stored in the transformer 10 appears in a resonance circuit by the output volume of the inductance of a primary winding 11 and the FETs 3, 6 as flyback voltage. Therefore, the induced voltage, corresponding to the flyback voltage, is outputted in a secondary winding 12. The induced voltage is converted into a DC output voltage Vo by a rectifying circuit consisting of diodes 21, 22 and a smoothing circuit consisting of an inductor 23 and a capacitor 24 and is supplied to a load 30.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects	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
title	POWER SUPPLY CIRCUIT
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