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Thread: Shunt regulator? 317/337 solution
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face BY : Roman Black email (remove spam text)



Vasile Surducan wrote:
>
> lm317 solution: input current to Vi pin, Vout pin connected to A
> pin of a resistor, ADJ (adjustment) pin connected to B resistor pin, this
> is also output current.
>
> Iout = Vref/R + Iadj where Vref = 1.2V, Iadj = 50uA
>
> Vasile


Hi Vasile, that is a series regulator? I think the
person wanted a shunt regulator, and I don't think you
can do it with a 317 as it uses negative feedback,
not positive. :o)
-Roman

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