I'm using the LT8641 to step down from 5V to 1.2V.
My top feedback resistor is 392K, 0.1% and bottom feedback resistor is 806K, 0.1%. I am seeing 1.29V at the input and Vfb is 0.871V, as opposed to 0.81V. This is at no load.
What could cause this to happen?