Switch power source device of quasi-resonance control mode

The utility model provides a switch power source device of a quasi-resonance control mode. According to the switch power source device, switch loss and switch noise are lowered through a simple structure. The switch power source device of the quasi-resonance control mode is characterized by being pr...

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Bibliographische Detailangaben
1. Verfasser:	AKI KURIHARA
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:	The utility model provides a switch power source device of a quasi-resonance control mode. According to the switch power source device, switch loss and switch noise are lowered through a simple structure. The switch power source device of the quasi-resonance control mode is characterized by being provided with a switch component, a detection part and a driving part, wherein a capacitive voltage resistant structure are arranged among terminals of a grid electrode and a drain electrode, the detection part is connected with the capacitive voltage resistant structure and is used for detecting a voltage free vibration opportunity after a fly-back period generated among the terminals of the grid electrode and the drain electrode, and the driving part is connected with the detection part and is used for outputting driving signals according to the opportunity.