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LM22673: As replacement with LM22670

Genius 14559 points
Part Number: LM22673

Hi Experts,

Good day.

Due to supply shortage, our client would like to use LM22673MR-ADJ/NOPB as an alternate to the LM22670MR-ADJ/NOPB, but we're not sure if it would work as they have different pin fxn at pins 3&5.

A more detailed issue is with pin5, as they leave it floating from their current design. We would like to know if these two ICs will function the same way with that floating pin 5, or if the changing it from EN pin to a SS pin would make a difference in it's functionality.

Any thoughts?

Thank you.

Regards,
Archie A.