Not necessarily voltage regulation, but voltage dropping. I've used this method
and have seen it used in commercial products. Just watch the power dissipation.

Rick

"Richards, Justin P" wrote:

> Hello Piclist,
>
> I wanted to be sure that I can use 3 diodes to drop the voltage from a 5v
> rail down to around 3v to drive an EPROM requiring 1.8v - 3.6.  I was using
> an LM317T but seems a little overboard as the EPROM uses very little power.
>
> It 'seems' to work ok, just wandered if there were any pitfalls and if I
> should use a particular sized resistor to provide a load to get the diodes
> to do their thing and perhaps a capacitor to smooth things out a little.
>
> Regards Justin

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