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LTM4686 and -1 SVIN and INTVCC

I want to replace an obsolete Intersil part with the LTM4686 (single output configuration) and I would like to design the replacement to use either LTM4686 or LTM4686-1 with 12V VIN.

It seems from the datasheet I can just add a separate 5V LDO to supply INTVCC with either part, and have 0ohm's to connect SVIN to VIN for the 4686 and SVIN to INTVCC for the 4868-1. Is this correct?