"Jim Thompson" wrote in
[....]
> > It's a "simplified" schematic. Add up the poles if it were
> > implemented purely as shown, and you'll see why a zero is required
> > somewhere... for capacitive loads it needs to be associated with the
> > output configuration.
>
> > BTDT (almost daily :-)
>
> > ...Jim Thompson
>
> So LDO Designers aren't as stupid as might be assumed?
It depends on how stupid you assume they are. There are also some mistakes that it takes very smart people to make.
In the past I have made some "do it your self" LDOs. It is very easy to make them stable with any load capacitance you you accept a crappy load regulation.