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LT8652S SW pin absolute maximum rating with overshoot/ringing

Category: Hardware
Product Number: LT8652S

Hello. 

Please could you let me know what the absolute maximum rating is for the LT8652S SW pin (SW1, SW2)?  How much (if any) overshoot is tolerable on this pin?

For example, win Vin = 12V, the datasheet shows approximately 1V of overshoot on the switch node (assuming this is not an oscilloscope probe artefact).  So if I operate the LT8652S at 18V I might expect the SW node to reach 19V.  Would this be acceptable?  

Thanks for the help.

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