The unstable problem is solved by decreasing the Cramp from 470pF to 270pF.The output ripple is reduced to 200mV when Vin is 8V. I think that it can be further reduced by adjusting the LC.
Thank you for the help.
The unstable problem is solved by decreasing the Cramp from 470pF to 270pF.The output ripple is reduced to 200mV when Vin is 8V. I think that it can be further reduced by adjusting the LC.
Thank you for the help.