Capacitor circuit diagram in capacitor dropping vlotage source

Published:2011/7/20 20:18:00 Author:Ecco | Keyword: Capacitor , capacitor, dropping vlotage, source | From:SeekIC

In the commonly low-voltage power supply, comparing with the transformer, the capacitor dropping vlotage source has the advantages of small size, economical, reliable, high efficiency, the disadvantage is that the safety is not as good as the power transformer. The AC is leaded to the load by the capacitor, then it has 220V voltage on the ground, which will cause electric shock easily, but if the circuit is used in the internal circuit power supply which has no human contact, this weakness can be overcome. For example, the refrigerator thermostat or remote control of electronic power supply, etc. are all open ╱ off by the capacitor dropping vlotage source.



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