AFAIR, for my apps, Micrel's parts did not have a high enough input voltage 
range (10-15V), and were more in the 5V dropped tp 3.3V type apps.


On Tuesday 30 October 2007 14:47, alan smith wrote:
> Don't forget Micrel.  They have some great parts, and some new ones that
> have embedded inductors.
>
> Xiaofan Chen <xiaofanc@gmail.com> wrote:  On 10/30/07, PicDude
>
> wrote:
> > I've not looked at Linear lately, but I
> > remember they were quite expensive relative to other competitors and
> > required a lot of external components, compared say, to National's Simple
> > Switchers.
>
> That is true. In terms of power conversions, Linear Tech is still the
> king. National is good -- relative small package, cheaper, and normally
> good enough, but just not good enough sometimes. TI is also
> catching up. ADI is very good in other part of analog (especially
> data converter) but lag far behind in the power conversion section.
> Maxim is quite all around but can not beat Linear Tech in power
> conversion side. Intersil is very good at VRMs for PCs. Semtech,
> Fairchild, OnSemi and some other companies have some good
> parts as well.
>
> Xiaofan
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