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'[EE]: Looking for a part #'
2003\12\22@045554 by cdb

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I am trying to recall the manufacturer and part # of a linear 5v
regulator, that is especially designed for use in electrically noisy
environments, mainly cars and trucks.

I've looked at the MIC29150 from Micrel, which does the job, but
there is another manufacturer I'd just like to compare with.

>From memory I think the part# begins with HV or HT or HC.

I've done a google search, but my search criteria must be wanting, as
I'm not getting the info I need.

If anyones brain is working better than mine I'd be grateful for your
help.

Colin
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2003\12\22@053407 by Tom Deutschman

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Found this press release from Toshiba. May be more than you are looking
for though.
http://www.toshiba.com/taec/press/to-236.shtml

This one is from National for the emerging 42V standard. Has nice input
specs for 12V systems too.
http://www.national.com/news/item/0,1735,729,00.html

5V vechicular power supply
http://www.seetron.com/an_vpwr1.htm

Interesting app note on design of regulator for harsh environment
http://www.supertex.com/pdf/app_notes/AN-D17.pdf

Hope some of these help.

Tom

Wizbang Designs, Inc. 1629 W 8TH AVE Spokane, WA  99204
Phone: (509) 251-4814  http://www.wizbangdesigns.com



> {Original Message removed}

2003\12\22@054234 by Tom Deutschman

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Here's another good app note:

FOR AUTOMOTIVE ELECTRONICS LOW DROP VOLTAGE REGULATORS
http://www.st.com/stonline/books/pdf/docs/1691.pdf

>
> Tom
>
> Wizbang Designs, Inc. 1629 W 8TH AVE Spokane, WA  99204
> Phone: (509) 251-4814  http://www.wizbangdesigns.com
>
>
>
> > {Original Message removed}

2003\12\22@070108 by Russell McMahon

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> This one is from National for the emerging 42V standard. Has nice input
> specs for 12V systems too.
> http://www.national.com/news/item/0,1735,729,00.html

Thats a high voltage versuion of their lovely but way too dear LM2936.

Their whole LM293X family are intended for automotive use. They are designed
to be protected against polarity reversal, alternator load dumps and the
like.



       RM

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2003\12\22@172256 by cdb

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Thank you everyone. I don't know how I missed the ones on Nationals
site, I actually went there before I went a googling.

Colin
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I have always been a few Dendrites short of an Axon and believe me it
shows.

Light travels faster than sound. That's why some people appear bright
until they speak!

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