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There is a special model "BUK7xxxx-40H_LTspice.zip" that needs to be downloaded and used for the simulation in Fig. 13. There is a link in the app note that initiates a download. However, when the included simulation file is run, many errors are produced. Unfortunately, the library file is encrypted, so I'm unable to troubleshoot. So requires NXP support.

I don't get any errors running the schematic that the OP uploaded. But I was running 24.0.15. When I try 24.1.4, then the errors occur. Umm......

However, I still don't get agreement between the Appnote and model. I notice that the readable text in the library isn't the same as in the Appnote, at least in the model list, so the library must be a different version.

Looks like 24.1.4 is having trouble with the encrypted library, whereas 24.0.15 doesn't. The 24.1.4 Logfile has 4005 errors and 11151 lines in it, and is 868kB!

It's clear that too many things in 24.1.x are broken for it to be used yet for mainstream.

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Regards,
Tony