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If you look at the data sheet for the LM317 you will see how to hook it up. It also shows how to add a power transistor to increase the current output. But you will have to heatsink the LM317 and the transistor since, at worst-case, they will be dissipating 25W.Thanks IAN for the response.Do you mean that I should connect the output voltage to LM317 and then connect it to a pot.Thanks
OK, in that case what is the PSU, make, model, schematic if you have one, photo of the insides and outsides?HI JimB
yes it is 2 the power supply is a fixed voltage regulated PSU with output of 12.5V, 2.5A. Really what I want to do is to have variable voltage from 0 to 12v.
So I am not sure yet if I can utilize LM317 at the output of mentioned power supply since the output voltage is regulated. Thanks a lot and still waiting for responses.