AW: [Re: thermal tips re expo converters:]

[jhaible]

> >resistor dividers for that reason. And recently I found that a simple
7912 
> >also needs a minimul load 
> 
> yeah, found this out the hard way with a 7915 -15v reg last week...
> when will I lear to read the data sheet? 
> couldn't understand 23v in, 23v out, not a short...

Is it actually written in the data sheet ?
The strange thing is that my 7912 worked perfect as long as I only had
the usual 16 .. 17 volt input. But for some reason I wanted to use a
transformer with higher voltage, and there was this problem ...

JH.