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LT3790 Demo circuit convergence issue

Category: Software
Product Number: LT3790
Software Version: 17.0.32.0

I'm trying to run the LT3790 demo circuit in LTSpice.

It runs fine if I leave everything as "standard" , but if I change V1 (the supply voltage) to a PWL or any other voltage source

the circuit fails to converge.

Any help appreciated.

Regards

R.Davis

Link to circuit:

www.analog.com/.../LT3790_DC2132A_TA01A.asc

Top Replies

  • Hi  ,

    I tried changing V1 to a PWL source with 20V at the beginning of the simulation and found this,

    If this is the convergence issue that you encounter, you can just press the ESCAPE key. this…