3V to 9V DC Converters


Posted on Feb 6, 2014

Here are some 3V to 9V DC converter circuits that were requested by some of our visitors. It may be helpful to have one of this converters when no 9V battery is available or if you consider that they are too expensive. The first circuit is very simple, it uses the TL496 power supply controller, a coil and a electrolytic capacitor. The input curren


 3V to 9V DC Converters
Click here to download the full size of the above Circuit.

t (the current drawn from the batteries) is 405mA at the maximum output current. Without load the current consumption is 125 µA and the batteries life is around 166 days.




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