Power converter and control circuit thereof

A control circuit for a power converter is disclosed. The power converter includes a switching circuit including a first switching transistor and a second switching transistor. The control circuit includes: a comparator having a first input configured to receive at least a reference signal, a second...

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Bibliographische Detailangaben
1. Verfasser:	Sun, Shungen
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 control circuit for a power converter is disclosed. The power converter includes a switching circuit including a first switching transistor and a second switching transistor. The control circuit includes: a comparator having a first input configured to receive at least a reference signal, a second input configured to receive at least a feedback signal and an output configured to output a comparison signal; a minimum off-time generation circuit; an on-time generation circuit for producing an on-time signal for controlling both the first switching transistor and the second switching transistor; and a ramp compensation circuit configured to generate a ramp compensation signal.