Pspice Model for TL494 PWM Controller

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ShockSL

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Hi
I'm building a off the line SMPS with about 200W output power (20V, 10A). I'm thinking of using the tl494 PWM controller. I thought its better to do some simulations in spice. I use the Orcad Capture and Pspice for simulations. The software has a simulation model for this IC but I cannot get it to work correctly. So has any of u guys tried to use this model? Any success... Do u have any ideas?
thanks very much
 
Hi
Mr/Ms ShockSL

This is Mr.Manjunath
from INIDA

I am doing a pproject on online UPS.........

I am in search for PWM controller.........

i read ur post..........

dont mind may i can get ur a copt of PSpice PWM which u designed ..........

manju_nath200@yahoo.com

i will try for on be half of mine ........

i hope i may reply you with positive result.......

Thanking YOu
 

I am an LTSpice user. I looked, and there is an TL494 symbol and library file on the LTSpice User's Group on Yahoo. The model is written in terms of generic transistors and diodes, except for a couple of opamps, which are parameterized opamps built-in to LTSpice. Porting the model to PSpice might be a bit of work, but is likely doable. To access the Yahoo group, you have to join...
 
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