LED power supply voltage-doubler circuit

Published:2012/7/18 3:23:00 Author:Ecco | Keyword: LED , power supply , voltage-doubler circuit | From:SeekIC

The power supply voltage-doubler conversion circuit is shown as the figure. Some amplifiers require small current and high voltage in electronic circuit designs, so the power supply voltage-doubler conversion circuit composed of flashing light-emitting diodes and a small number of components can be used. In Figure (a), the capacitors C1, C2 can be used to storage charge, and the circuit uses the oscillation of flashing light-emitting diode to drive relay switch for conversion, then C1 and supply voltage are superimposed to obtain twice of power supply voltage on C2. The output current of circuit is about 10mA. Relays uses 6V , 30mA types. The figure (b) is a voltage doubler schematic diagram.



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