Active clamp DC/DC converter with resonant transition system

Active clamp DC/DC converter with resonant transition system

A dc-dc converter is disclosed comprising an active clamp topology, including an active clamp resonant transition system to provide substantially zero or reduced voltage for turn-on of the primary switch. The resonant transition system includes an inductor in series with the primary winging of the p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: JACOBS MARK E
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:A dc-dc converter is disclosed comprising an active clamp topology, including an active clamp resonant transition system to provide substantially zero or reduced voltage for turn-on of the primary switch. The resonant transition system includes an inductor in series with the primary winging of the power transformer and a clamp diode that operate cooperatively to turn on the primary switch with reduced voltage. A second diode is included in series with a balancing resistor to discharge a snubber capacitor with improved efficiency. The addition of these circuit components provides low switching losses and low component stresses in the overall design.