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TPSM33615: TPSM33615RDNR SW Node connection

Part Number: TPSM33615
Other Parts Discussed in Thread: TPSM33625

Hi all, 

I have a query about the TPSM33615RDNR, in the datasheet it shows the SW nodes (pins 5 and 6) connected internally. However, in the webbench tool for the part, it shows pins 5 and 6 connected together and on the TPSM33625 EVAL MODULE, has them connected on the schematic but not implemented on the design files. 

As such my question is, does this need to be connected or can pins 5 and 6 be left floating ? Also, what is the purpose of exposing the pins, if no component is to be added to this pin?