ok...ok....so sorry.

http://www.linear.com/prod/datasheet.html?datasheet=761

look at figure 12 (page 11)

I was missing Olin....thanks for setting me straight  :-)


>From: Colin Constant <colinpiclist@HOTMAIL.COM>
>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [EE:] N channel FET off resistance?
>Date: Tue, 2 Mar 2004 13:35:57 -0700
>
>>From: al smith <micro_eng2@HOTMAIL.COM>
>>Look at the Linear Tech LT1641 data sheet....thats what I'm working from
>>
>
>Do you have a link, or do you expect us to, like, Google for it?
>
>Colin (not really filling in for you know who)
>
>
>>
>>>From: Spehro Pefhany <speff@INTERLOG.COM>
>>>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>>>To: PICLIST@MITVMA.MIT.EDU
>>>Subject: Re: [EE:] N channel FET off resistance?
>>>Date: Tue, 2 Mar 2004 15:05:53 -0500
>>>
>>>At 11:50 AM 3/2/2004 -0800, you wrote:
>>>>OK...swapped the drain and source...working some better, but now, even
>>>>tho
>>>>the voltage on the control pin is above its threshold....it won't fully
>>>>fire
>>>>the main voltage FET so rather than getting 48V, its only around 4V.
>>>>Although it does shut off now, and turns on sorta....
>>>
>>>Maybe if you had a link to a schematic we could help more..
>>>
>>>Best regards,
>>>
>>>Spehro Pefhany --"it's the network..."            "The Journey is the
>>>reward"
>>>speff@interlog.com             Info for manufacturers:
>>>http://www.trexon.com
>>>Embedded software/hardware/analog  Info for designers:
>>>http://www.speff.com
>>>
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