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LTSpice Model for UC1843A PWM IC

rauckr

New Member
I am an electrical engineer involved in the Power Electronics field for many years. I am new to this site. Does anyone know where I can find an LTSpice model for the UC1843A PWM IC? Any help would be greatly appreciated.
 

alec_t

Well-Known Member
Most Helpful Member

rauckr

New Member
That looks like the unencrypted PSpice model that I had already downloaded from the TI site. I was under the impression that the syntax was different between the two simulators. Is this a model you have successfully run in LTSpice? Thanks for any help!
 

ronsimpson

Well-Known Member
Most Helpful Member
Use LT1242 which is in the LTSPICE library.
There is a family of 8 pin swithers UC1841 through 45. The LT1241 through 45 are copies.
 

eTech

Active Member
Hi

Here is a version of the TI UC1843A model modified for LTspice. I was downloaded from the TI website.
I only fixed the error(s) messages and didn't focus on the accuracy of the model. I would verify its behavior
before using it.

eT
 

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alec_t

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