Re: PS503A max current


 

The 20V supplies are not independent and cannot be paralleled. The negative of the positive supply and the positive of the negative supply are common and cannot be separated.

A module such as this could give up to 3 amps at 3.3V from one of the 20 volts supplies: https://www.ebay.com/itm/223524573272

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Bob Haas

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