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LM5175-Q1: 5V output from LM5175 is not stable

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Part Number:LM5175-Q1

I set LM5175's output to 5V, CCM with hiccup, 300kHz switching frequency.

However, when I measure the output with no load, it is not stable:

I will measure inductor current, but by now, do you have some recommendations? I have attached my schematic below.

Thank you.

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