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TPS548A28: Max Crossover Frequency

Part Number: TPS548A28

Hello,

My customer is working on a design with TPS548A28 and dealing with some compensation issues. They are planning to adjust the Cff but worried about crossover frequency. Based on this document, it looks like the crossover frequency just needs to be below 1/3 of Fsw. Am I interpreting that correctly? 

https://www.ti.com/lit/an/slvaf11/slvaf11.pdf?ts=1670028576078&ref_url=https%253A%252F%252Fwww.google.com%252F

Thanks,

Michael