On Thu, 02 Aug 2012 09:03:03 -0700, you wrote:

>I'm looking for a switching regulator chip. Something inexpensive like
>the MC34063, but not limited to 100 KHz because I need to reduce the
>physical size of my layout, especially the inductor. Not having to use a
>current sense resistor would be nice too.
>
>The basic operating parameters will be 8V in, 3.3V out, at 1 amp.
>
>It doesn't have to be as cheap as the 34063, three times as much (US
>prices) would be OK if the rest of it were fantastic.

AOZ1051 (Digikey), no diode needed, cheap ceramic caps, small inductor.=20
That;s a 3A part - may be some others in the series that are cheaper for yo=
ur power requirement.


>Any suggestions?
>
>Thanks,
>
>Bob
>
>--=20
>http://www.fastmail.fm - The professional email service

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