Difference between choke input (L type) filter and capacitor input (π type) filter

Choke input (L type) filter Capacitor input (π type) filter
It is suitable for light and heavy loads. It is suitable for only light loads.
The ripple factor is poor. The ripple factor is better.
It has a low DC output voltage. It has a high DC output voltage.
The ripple reduction occurs in load current. The ripple reduction occurs in load voltage.
It has good voltage regulation. It has very good voltage regulation.
It has less cost. The cost is more.
The surge current through diode is low and need to be controlled. The surge current through diode is low and no need to controlled.
The ripple content is low. The ripple content is lowest.

 

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