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TPS65295: appropriate pin settings when VTTREF is not used (Urgent Help/)

Part Number: TPS65295

Hello Team,

Input is correctly 1.2V. However When evaluating TPS65295, VTT has 0.9V regardless its expected voltage is 0.6V.

In this settings, VTTREF=Open.

When put capacitor on VTTREF, VTT has 0.6V.

Could  you let me know appropriate pin settings when VTTREF is not used ?

Any advice will be appreciated.

Jin