EEVblog #483 – Microcontroller Voltage Inverter Tutorial


How a diode voltage inverter circuit works.
Turns any PWM or clock signal into a low power negative voltage rail.
This can be clocked from a microcontroller, existing DC-DC converter, 555 timer etc.

Voltage Doubler Video

Forum HERE

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    • Hi Dave

      Nice work as usual – but a quick question:

      Can you predict the limits of output current using the reactance of the caps (i.e. Xc=1/jwC)- so you can design a supply in rather than measure it?

      Thanks,

      Simon

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