Power converter and method for improving efficiency thereof

The invention provides a method for improving efficiency of a power converter which may include a switch coupled between a power source and a middle node, and may supply an inductor current at the middle node to result in an output voltage and a load current. The method may comprise: during an inter...

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Bibliographische Detailangaben
Hauptverfasser:	CHIU, CHAOANG, HSU, KUOUN
Format:	Patent
Sprache:	chi ; 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:	The invention provides a method for improving efficiency of a power converter which may include a switch coupled between a power source and a middle node, and may supply an inductor current at the middle node to result in an output voltage and a load current. The method may comprise: during an intermediate mode, controlling the inductor current to ripple with peaks at a peak current threshold and valleys which may vary as the load current varies.