Other Parts Discussed in Thread: LMR23630
The FB path layout goes near inductor, so I know that this noise and spikes came from the FB noise.
I know that FB noise makes a lot of problem on the stable output, but I cannot understand how the FB noise makes switching voltage ringing and unstable output voltage
Could you please explain with picture?
This is when load is 2A with LMR23630, condition is Vin=12, Vout=3.3v, Iout=1.5A.