UcD desing notes wanted

Hello,
Lately, I have been reading about Class D amplifiers and have designed some of my own based around the Triangle Wave + Audio feed into a comparator. While reading more I found there was a lot more on the subject than it looked on the surface, reading this forum I discovered UcD which seems to be a nice technology and I would like to experiment with it. I am therefore asking for application note, whitepapers or anything which can give me a high level and also in-depth working of this topology.

I have searched for whitepaper and application notes on Mr. Google and found some from Hypex and Bruno, but there must be more to read.

I appreciate any good papers you know, or anyplace where I can find them.

Would like to stress that I'm not looking for your designs to make an amp, I want to learn how to make my own of course if you think they will help I appreciate but don't call me a design stealer

Thanks in advance 🙂
 
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