LSF0108-Q1: Higher Output Voltage than Supply Reference Voltage of Level Shifter

Part Number: LSF0108-Q1

I have V_REF_B powered to 3.3V and V_REF_A to 1.2V. For some reason, I am seeing 1.779V at my A-side output.

Any ideas why?

I was expecting 1.2V, not 1.779V.