LT8410-1 resistor selection for 18V output

Question

Hello, 
 I would like to get support for Linear's LT8410-1 boost converter. 
 I've read through the datasheet, but I can't find an expression for calculating the resistor divider for the 18V output. 
 Thank you for any support.

FormerMember · Accepted Answer

Hello, 
 Refer to the snipped photo below. 
 
 Calculating VFBP with an output voltage of 18V, Vfbp should be ~0.57V. 
 
 Since VREF is 1.235V, you should calculate your R1 & R2 to have a drop of ~0.57V at the VFBP pin. 
 
 Regards, 
 Jhun)

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LT8410-1 resistor selection for 18V output

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