Hi,
I want to ask about smoothing capacitor.
I am wondering what criteria you use to choose a smoothing capacitor?
I think there are two criteria:
1. High capacitance
2. Low ESR
However, I can't see any capacitors met both criteria.
For example, with electrolytic capacitor, it has very high capacitance but it also posseses a large ESR.
I want to ask about smoothing capacitor.
I am wondering what criteria you use to choose a smoothing capacitor?
I think there are two criteria:
1. High capacitance
2. Low ESR
However, I can't see any capacitors met both criteria.
For example, with electrolytic capacitor, it has very high capacitance but it also posseses a large ESR.