LM78xx LM79xx Spice models?

sam9 · 26th March 2004, 05:25 PM

Does anyone know if there are spice models for any of the LM78/9xx series voltage regulators. Or their equivalents foe a non-National source. Or even for the adjustable version?

One could just stick in an arbirtary DC source but that wouldn't tell you anything about how these interact with other circuit elements.

sam9 · 26th March 2004, 06:25 PM

Never mind at least regarding the adjustabe variety. Deeper searching into the bowels of ancient threads turned up model provided by Fred D.

Of course if there are new and better ones . . .

Pedja · 27th March 2004, 06:10 PM

Multisim is full of the regulators models and I have some (they are not bad), but because of the copyright warning at the begging of their subcircuit files I will refrain from posting them here.

Some regulators models are uploaded into the files area of the LT Spice Yahoo! group but you will need to register to get to them.
http://groups.yahoo.com/group/LTspice/

Pedja

sam9 · 27th March 2004, 07:49 PM

Thanks for info on the LTspice files.

26th March 2004, 05:25 PM	#1
sam9 diyAudio Member Join Date: Jun 2002 Location: Left Coast	LM78xx LM79xx Spice models? Does anyone know if there are spice models for any of the LM78/9xx series voltage regulators. Or their equivalents foe a non-National source. Or even for the adjustable version? One could just stick in an arbirtary DC source but that wouldn't tell you anything about how these interact with other circuit elements.

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26th March 2004, 06:25 PM	#2
sam9 diyAudio Member Join Date: Jun 2002 Location: Left Coast	Never mind at least regarding the adjustabe variety. Deeper searching into the bowels of ancient threads turned up model provided by Fred D. Of course if there are new and better ones . . .

27th March 2004, 06:10 PM	#3
Pedja diyAudio Member Join Date: Jun 2002 Location: Serbia	Multisim is full of the regulators models and I have some (they are not bad), but because of the copyright warning at the begging of their subcircuit files I will refrain from posting them here. Some regulators models are uploaded into the files area of the LT Spice Yahoo! group but you will need to register to get to them. http://groups.yahoo.com/group/LTspice/ Pedja

27th March 2004, 07:49 PM	#4
sam9 diyAudio Member Join Date: Jun 2002 Location: Left Coast	Thanks for info on the LTspice files.

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