Re: Bandgap Design

From: Rene Tschaggelar (none_at_none.net)
Date: 03/28/05 

Date: Mon, 28 Mar 2005 17:12:08 +0200

RST Engineering (jw) wrote:

> To both Jim and Rene...
>
> Thanks for answering and suggestions...but...
>
> This is for a magazine article where the builder isn't all that
> sophisticated AND he has to be able to get the parts in his local Rat
> Schlock on Sunday afternoon in East Undershirt Ohio.
>
> I'm not looking for great temperature performance, just something better
> than the soft knee of a 3 volt zener.
>
> Quick and dirty is just fine by me. If the regulated voltage is off by a
> percent or so (what's that, 10,000 ppm) over the normal outside temperature
> range, I can live with it. That means the charge/cutout voltage will vary
> 50 millivolts or so, and the NiMH can certainly handle that.
>
> Given this further information, any suggestions?

Yes, have a look at a LED as reference.
Run it at 500uA to 1mA

Rene 

-- 
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net

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