Can you help to provide the PSRR at the setup： Vin=5v, Vout=3.3v, Iout=30mA, Cout=1u//270p?
Frequency rang reach to 1MHz。
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Here are the results for PSRR with the given conditions.
The Green curve is Vin=5V, Vout=3.3V and Cout=1u||270p
Where the Yellow curve is Vin=5V, Vout=3.3V Cin =1uF and Cout=1u||270p since DS specifies this
Also, it is hard to tell, but I overlapped the results with our DS plot, and you can see that the results are close to each other: