[Diy_efi] switch mode replacement for to-220 7805?

[MSCHWALL at sbcglobal.net]

LM340 in SOT-223 package? It's .256x.140".

Mike




--- Original Message ---
From: Chris Conlon <synchris at speakeasy.org>
To: diy_efi at diy-efi.org
Subject: [Diy_efi] switch mode replacement for to-220 
7805?

>Has anyone seen a switching regulator which is a 
suitable
>drop-in replacement for a TO-220 package 7805? Power 
Trends
>(now TI) lists a couple, the PT5100 series and the 
78SR100
>series, but both are considerably larger and much more
>expensive (~$15/qty 1). They are also good up to ~1.5 
amps,
>while I'd be happy with something in the 200-250ma 
range,
>which would hopefully be smaller and cheaper.
>
>   Thanks in advance,
>   Chris C.



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