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LMZ31520: Equations used to calculate RSET and RILIM

Part Number: LMZ31520

Hi,

I managed to use the LMZ31520 in an application where I may need to adjust Vout and current limit by a microcontroller.

So I want to use two digital potentiometers for Rset and RILIM;

and my question is : 

what are the equations used to calculate both resistors' values.

I can see tables 1 and 6 in the datasheet, but I'll need the equations to acheive more precision (especially for current limitting since table 6 contains only 3 values).

Best regards