At 09:35 25/09/98 +0100, you wrote:
>It's called a DC-DC Converter
>
>-----Original Message-----
>From:   pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU] On
>Behalf Of Michael Hagberg
>Sent:   25 September 1998 07:09
>To:     PICLIST@MITVMA.MIT.EDU
>Subject:        Re: 24VDC to 5VDC Supply - Slightly [OT]
>
>will a switcher supply regulate DC in to DC out? or do you need AC in?
>
>michael
>
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>
>-----Original Message-----
>From: Larry G. Nelson Sr. <nr@MA.ULTRANET.COM>
>To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
>Date: Thursday, September 24, 1998 8:53 PM
>Subject: Re: 24VDC to 5VDC Supply - Slightly [OT]
>
>
>>Try using a switch mode regulator. You can use a simple switcher from
>>National or look into Linear Technology. Linear Technology has a program
>>called switcher Cad that will help you design a switching power supply very
>>simply.
>>
>>
>>At 10:36 AM 9/22/98 -0700, you wrote:
>>>I need to regulate 24vdc down to 5vdc for a PIC project.
>>>I've been using LM317's in TO-220 packages but they seem to go into
>thermal
>>>runaway when I draw any current.
>>>Does anyone have any good methods/schematics for this.
>>>
>>>Thanks in advance,
>>>
>>>-Ryan
>>>__________________________________________
>>>Ryan Bloom  ryanb@mpl.net
>>>     Meridian Partners Limited
>>>     Internet Systems Group, Director
>>>     425.688.9211  1.800.MPARTNER
>>>     http://www.mpl.net
>>>     "Your LINE On The World"
>>>
>>>
>>Larry G. Nelson Sr.
>>mailto:L.Nelson@ieee.org
>>http://www.ultranet.com/~nr
>>
>
>