I am looking for either an 'off the shelf' or schematic (or point me to where I may find one) for a psu. 48v input, output +5v @1A, + / - 12v @
A few years ago, the market was a wash with block converters, but they seem to have all but vanished
Can anybody help please.
@
That's an easy one; telephone companies use millions of those. I presume you mean 48V DC for the input? Something like PTK15-Q48-D12-T , available at DigiKey.
Instead of 'psu' look for DC/DC converters, triple output.
They _do_ have this, though, at $93.72, qty 1 ...
+5 @ 4A +15 @ 330ma
-15 @ 330ma
$8.95
Jphn
Oops...
That's for 9 - 18V in.
They don't have a 48V in, 3 output one, but from the data sheet at:
it looks like the TWR-5/1000-12/210-D48A will work.
Tone:
The output should be isolated from the input?
Yes.
Thanks for everybodys help. The Power-One item looks to fit the bill
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