Dc-dc voltage multiplier

[Cecemel]

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:

 

[FvM]

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?

 

[Cecemel]

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:

 

[KlausST]

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