Conversion circuit capable of converting AC 220V into DC 5V directly

The utility model discloses a conversion circuit capable of converting AC 220V into DC 5V directly. The conversion circuit is characterized in that a current-limiting circuit is arranged in series in an input circuit of an AC 220V power supply, current-limiting output signals are connected into a si...

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Bibliographische Detailangaben
Hauptverfasser:	YUAN ZHENYING, WU DUAN, WANG LIHENG, TAO HONG
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 utility model discloses a conversion circuit capable of converting AC 220V into DC 5V directly. The conversion circuit is characterized in that a current-limiting circuit is arranged in series in an input circuit of an AC 220V power supply, current-limiting output signals are connected into a signal input end of a full-wave rectifying circuit, a zener diode is arranged in parallel on a rectifying signal output end of the full-wave rectifying circuit so as to acquire 50HZ low AC voltage, and stable 5V DC voltage is obtained through rectifying, filtering and voltage stabilizing. The conversion circuit is small in size and convenient in connection, increases the flexibility of circuit design greatly, and meets various needs.