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TPS7A52: Issue in Feedback voltage

Part Number: TPS7A52

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.