National line of Simple Switchers power supplies.

[wb5mmb]

The old Power Trends (now TI) PT78xxx line.  Like 
the 
PT78ST105 
http://focus.ti.com/docs/prod/folders/print/pt78st105.html 
. Used some in a work project years ago.
      Sandy
      WB5MMB


At 03:52 PM 4/13/2011, Mike O'Dell wrote:
>there are also a couple of others which look or all the world like
>our favorite 3-terminal 7800/7900 parts - but they are switchers
>which need no external parts except the input and output caps.
>can't think of the numbers at the moment, 
>though. Google is your friend (grin).
>
>     -mo
>
>
>On 4/13/11 11:37 AM, andre kesteloot wrote:
>>Finally, what appears to be a simpler solution
>>73
>>André N4ICK
>>
>>
>>http://www.national.com/pf/LM/LMZ22003.html#Overview
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