Introduction: DC-DC Voltage Doubler (simplest Possible Circuit)

Picture of DC-DC Voltage Doubler (simplest Possible Circuit)

This voltage doubler circuit uses a DPDT switch to alternately charge 2 series connected capacitors. The main purpose of this circuit is to illustrate the principle of operation of switched-capacitor voltage multipliers. Other applications are up to you !

Step 1: Images

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Step 2: Circuit & Components

Picture of Circuit & Components

SW1: double pole double throw switch (DPDT)

C1-C2: 2200uF electrolytic capacitors (voltage & capacity according to application)

Bat: (any battery)

Led1: (green led for this demo)

R1: (1K for this demo)

Step 3:

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Step 4:

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Step 5: Watch the Video!


Di Immortales (author)2015-08-06

wait so i would have to keep switching the switch unless i got an electroonic switch

About This Instructable




Bio: Music: my profession for over 40 years... Electronics: my beloved hobby always.
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