Yes, the adjuster pin for the 317 has only a few uA, but the switch
application is for the actual output from the regulator, which will be going
up to 1.5A. I mentioned the adjustor pin because I needed advice on
controlling the resistance digitally, hence a digital pot. Will the IRFP260N
act as a simple switch with +5V = on and 0V = off?

Jai
Quoting Jinx <joecolquitt@CLEAR.NET.NZ>:

> > I am not sure if the ADG736 can handle the [adj] current
>
> LM317 adj current is only 50-60uA for 10mA < Iout < Imax
>
> http://www.analog.com/productSelection/pdf/ADG736_0.pdf
>
> shows through-current for ADG736 is 30mA max (4066 is 25mA)
>
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