Tool/software:
In our design, we used TPS7A5201RPSR for 1.8V to 1.5V.
The feedback resistor is used as below:
R1 = 12.4K
R2 = 14.3K
As per the calculation for 0.8V feedback voltage, the output must be 1.5V only.
But in our case, we observe, that the feedback voltage is 0.965V.