Source for regulated power supply..?

digginlightApril 5, 2007

Several instruments and tools are hanging fire waiting for power. Setting them up on their occasional use basis might benefit from a common power supply.

I've got everything from computer peripherals to battery powered hand tools that now only get used once in a while.

I can't seem to locate a reasonably priced variable output supply that would give from 5-24 volts and from 300mA to 3 amps. That would be the ideal, but I'd settle temporarily for a bit less latitude.

Local electronic sources seem to only offer up to 12V inexpensively - of course for way over $200.US I can get the works - but.

Any leads greatly appreciated..!

ThanX in advance.

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brickeyee

Not very hard to build at all.
An LM338, a hefty transformer, a bridge rectifier, some filter caps (you do not need very clean power for this) and a potentiometer for adjustment along with some fixed resistors.
Try Jameco or one of the other electronic kit makers if you want a little more turn key.
The Natianl Semiconductor data sheet has a 1.2 to 25 V 5 A on page 7.

Here is a link that might be useful: LM338

    Bookmark   April 6, 2007 at 4:09PM
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