Dc-dc voltage multiplier

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Cecemel

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Hello,
I'am searching for a voltage multiplier that boosts 2-2,5 volts to anything between 5v and 12v. Note that it has to be able to handle 500 ma (600 ma peak)

Regards Cecemel :thumbsup:
 

The function is called boost converter. You can use the part selector tools of major manufacturers like TI or Linear to identify suitable converter ICs.

By nature of a voltage converter, it's efficiency will be below unity, e.g. 0.8 - 0.9. This means to get 12 V/600 mA output, you need to supply an input current of 4A at 2V which must be handled by the power source, e.g. a battery.

What does "anything between 5v and 12v" mean?
 


I mean that the output can be anything between 5 and 12v (5v, 6v, 7v, 8v, 9v, 10v, 11v and 12v

Regards:smile:
 

Hi,

This sounds like a random voltage generator.... ;-)

As FvM said, just use a switch to select different resistors at feedback fir different output voltages.

Klaus
 

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