About connection of LDO output of ADP5023ACPZ-1 -R7

Hello,

My name is Yamaguchi  and electronics engineer in Japan.

I have a question about ADP5023ACPZ-1-R7.
The ADP5023 has a fixed output and a fixed output, but we are considering the fixed type.
The data sheet shows examples of LDO output connection and pin connections as follows.

 

Although FB3 (pin 19) is not connected in the description, it is connected in the circuit, does it need to be connected?

Thanks,
Yamaguchi

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