Tool/software:
I want to design an input LC filter according to application note slvafe0 (https://www.ti.com/lit/an/slvafe0/slvafe0.pdf)
But I am missing one step in Equation 7. The application note says : "After inserting the maximum impedance value and cut-off frequency of the filter in Equation 7, it gives maximum
filter inductance of 2.7 μH and minimum filter capacitance of 1.9 μF."
I was not yet able to understand where 2.7uH and 1.9uF come from. Could you share how the output impedance of the LC filter has been computed
to get those results based on the maximum 1.2Ohm output impedance constraint?