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TPS55288: FB design if no I2C

Part Number: TPS55288

Hi,

If there is no I2C and would like to use FB/INT as feedback with external divider.

May I know whether it is okay to use? And what is FB reference voltage?

According to Webench design, the VFB is 1.129V, but I cannot find this info in the datasheet.

webench.ti.com/.../SDP.cgi

Thanks and Best regards,

Tiger