[sdiy] ML317: 12V to 10V?

[David G. Dixon]

> > Can I use LM317 voltage regulator to have +10V out of +12V? (2V
> > difference) Can't find on net.
> 
> It may work, although 2V is a bare minimum Vin-Vout difference for the
> 317.
> How much current are you requiring on the 10V side?
> You might consider a low-dropout (LDO) regulator if that is an option.

What's your application?  Are you sure you couldn't just divide down to 10V
and buffer with an opamp?  Or, if a precise 10V reference is what you are
after, but not much current (< 10mA), something like REV102 might be more
appropriate.