library of voltage regulator models

katamaran · 24th July 2007, 03:53 AM

Hi,
I am a newbie trying to simulate my first couple of circuits with PSPICE. I am trying to Simulate a circuit that uses LM352 4D( national semiconductor) regulating pulse width modulator but have been unsuccessful in attempts to locate the required library files to import the part diagram for it .Would be very grateful if i could be pointed in the right direction.

Regards
Daniel

katamaran · 24th July 2007, 04:43 PM

i had read this post by geoff regarding this a while ago, couldn't mail him hence made a new thread

gootee · 25th July 2007, 06:05 AM

Do you mean that you do already have the spice model file for it, but just don't have a symbol file for it, to represent it on the schematic?

In LTspice, which is the only spice I'm familiar with, I usually just create my own symbols, for most new types of parts. It's very easy.

But if you actually don't have the model for it, yet, either, look at the link near the bottom of the following webpage, which goes to a list of links for over 20,000 online spice models that you can download for free:

http://www.fullnet.com/~tomg/gooteesp.htm

- Tom Gootee

http://www.fullnet.com/~tomg/index.html

24th July 2007, 03:53 AM	#1
katamaran diyAudio Member Join Date: Jul 2007	library of voltage regulator models Hi, I am a newbie trying to simulate my first couple of circuits with PSPICE. I am trying to Simulate a circuit that uses LM352 4D( national semiconductor) regulating pulse width modulator but have been unsuccessful in attempts to locate the required library files to import the part diagram for it .Would be very grateful if i could be pointed in the right direction. Regards Daniel

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24th July 2007, 04:43 PM	#2
katamaran diyAudio Member Join Date: Jul 2007	i had read this post by geoff regarding this a while ago, couldn't mail him hence made a new thread

25th July 2007, 06:05 AM	#3
gootee diyAudio Member Join Date: Nov 2006 Location: Indiana Blog Entries: 1	Do you mean that you do already have the spice model file for it, but just don't have a symbol file for it, to represent it on the schematic? In LTspice, which is the only spice I'm familiar with, I usually just create my own symbols, for most new types of parts. It's very easy. But if you actually don't have the model for it, yet, either, look at the link near the bottom of the following webpage, which goes to a list of links for over 20,000 online spice models that you can download for free: http://www.fullnet.com/~tomg/gooteesp.htm - Tom Gootee http://www.fullnet.com/~tomg/index.html

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