'12' volt power supply.

In message , "Dave Plowman (News)" writes

I've got one you can borrow,

but it sounds like you want one to be integrated into a project

how many amps will a PC PSU deliver ?

Reply to
geoff
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It's a bit of a 'whatever' ;-)

I've spent some time Googling on upping the voltage and not really found a step by step guide which suits my PS. And of course I've no circuit for it.

Reply to
Dave Plowman (News)

I do have a good spare - but it takes up more room than I can easily spare.

The one I've tried is 20 amps at 12 volts.

Reply to
Dave Plowman (News)

In the end it proved simple to modify an ATX PS. But Googling on it threw up the most enormous amount of red herrings - some involving near complete redesign of the 'low volt' side.

The PS I have is relatively new - about 4 years old - and uses a SC6105 supervisor, so only the one IC in the entire device. Altering the voltage to the error input - pin17 - by a simple resistor change upped the output to 13.8v. Which is within the voltage tolerance of the overvoltage protection.

The PS I have differs considerably from the circuits given in the SC6105 spec sheet, though.

Reply to
Dave Plowman (News)

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