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555 timer circuit voltage doubler

This voltage doubler circuit is based on an 555 timer circuit and require few external components . This voltage doubler use a 555 timer integrated circuit wired as an astable mutivibrator  .

This voltage doubler circuit can deliver only up to 50mA output current and above that current limit the output voltage will be reduced. The actual output voltage will be around 22V for a 12V DC input and also the output voltage will be a bit unstable. Anyway, for low current applications this circuit is well enough.

Voltage doubler circuit diagram

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