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LM5143-Q1: DITH pin setting on 4-phase buck DC/DC

Guru 19485 points
Part Number: LM5143-Q1

About application note for LM5143-Q1: 4-phase buck regulator, Slave side's DITH pin setting are described Page-5: Open and Page-9: connect to VDDA.

Which is correct?

Is DITH pin on slave side left open OK?

https://www.ti.com/jp/lit/an/snva870a/snva870a.pdf

Best regards,

Satoshi