Hello

Check out Infineon(formally Siemens) TLE 4274 G V50.  Siemens has a good
selection of LDO regulators that they spec to 45V.  That is still a lot of
power to dissipate.  Good luck.

David

> -----Original Message-----
> From: Andy Kunz [SMTP:support@MONTANADESIGN.COM]
> Sent: Friday, May 14, 1999 2:28 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      voltage regulator question
>
> Anybody know of a SMT regulator which can handle 45V input, 5V/50mA
> output?
>  40V * 50mA = 2W - an awful lot for a tiny PCB to handle.
>
> I'm finding very few options in the datasheets.
>
> PCB size is a premium. Reliability is SUPER important, component
> cost/complexity is secondary.
>
> Ideas?
>
> Thanks!
>
> Andy
>
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