On 12/15/06, DJ Delorie <[EMAIL PROTECTED]> wrote:

> You could try some DC-DC chips like the ON-Semi NCP1523, 8 pins and
> only five or six passives. TI or National may have others.

Hey, I could actually use one of those in the furnace board to make
3.3v from 5v.

That's why I mentioned it.

 Do they make one that can do 5v to 3.8v ?

I don't know. Since I do not have a successful ball-grid challenge
under my belt
I usually don't look at parts in ball-grid packages ;-)  (or QFN's!)

For buck converters I have been using the LT1616. The LT1933 is lower frequency
but has the same pinout. Both are in SOT23-6 packages.

(* jcl *)

--
http://www.luciani.org


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