make 12 from Usb - how can i convert 5 volt to 13 v?

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make 12 from Usb

hi i have board that in some cases it need 13 volts and i want use usb port for power supply of course it dosent need so much current, please tell how can i convert 5 volt to 13 v???
 

make 12 from Usb

take a look at this usb programmer schematic here
https://ali3nworld.blogspot.com/

you have in it a converter to make 13v from 5v
everything is explained

you can also have a look a texas instrument or maxim web site, they have circuits called "step-up" converters that will fit your needs.
 

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