it's been a while since I've done a new layout - I've been and continue to be ill but I thought I would try and do something so people don't give up coming here. so with a body full of painkillers etc. I designed this little power supply.
it differs to my previous power supplies in that it is an extended range one. IE it goes from 0 volts upwards rather than 1.2volts upwards.
the way this is done if by creating a negative reference voltage and feeding it into the L200C regulator.
this also has current limiting so you can set it to drop out if a circuit tries to draw more current than it should (due to short circuits etc.) which can avoid circuit catastrophes.
anyway here you go.
Hi, I was wondering, when I make this power supply will it be ok if I use a 28v step down transformer as I already have one of those and transformers are quite expensive. Will it still work with an input of 28v or is there something I should do before?
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Martin Walls
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