Dave
I managed to turn a couple of 5 Volt 100 Amp SMPS into 13.8 Volt 100 Amp ones,
by reforming the output filter cap to 16 Volts, and increasing the duty cycle
from 0.4 to 0.8.
They were made by Pioneer Magnetics, and had the spare grunt to do their
new job [or else I would have set the current limit to 50 Amps]. Only problem
was they each needed a 5 Amp bleeder load, otherwise the switching frequency
came down into the audible range.
Tried putting both in parallel once, and connecting their output to Dads
welding setup, but there wasn`t enough
back EMF to strike an arc! :-).................................Don C.
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