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Tag Archives: charge-pump

Simple voltage doubler

This circuit produces a dc voltage at the output that is almost twice the input voltage. For a 12V input the output is 22.1V @ 20mA. The voltage doubler is based on the charge-pump principle of operation. A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage. Charge-pump circuits …

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