Mode operation detection for control of a power converter with an active clamp switch

Mode operation detection for control of a power converter with an active clamp switch

A primary controller comprising a control circuit coupled to determine a mode of operation and to generate a first mode of operation signal and a second mode of operation signal. The control circuit coupled to generate a control signal in response to the first mode of operation signal or the second...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Duvnjak, Rajko, Ahmed, Munadir Aziz, Tian, Jinyuan, Odell, Arthur B
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 primary controller comprising a control circuit coupled to determine a mode of operation and to generate a first mode of operation signal and a second mode of operation signal. The control circuit coupled to generate a control signal in response to the first mode of operation signal or the second mode of operation signal, the control signal causes a delay time to enable a turn ON of a power switch after a turn OFF of a clamp switch. The control circuit coupled to output a clamp drive signal to control the clamp switch and comprises a delay circuit coupled to receive the first mode of operation signal and the second mode of operation signal, wherein the delay circuit is coupled to apply a first delay time or a second delay time to the control signal, the second delay time being longer than the first delay time.