livecf
Newbie level 5

Hi all,
I been working on a switched-capacitor DC-DC converter, and I want run pss and pac to get PSRR for my converter. When I use an ideal clock source (i.e., vpluse) to drive the converter, PSS converge fine. However, when I use my ring oscillator to drive the converter, PSS won't converge.
Here are my netlist and simulation log.
Could anyone provide me with some insights?
Thanks!
I been working on a switched-capacitor DC-DC converter, and I want run pss and pac to get PSRR for my converter. When I use an ideal clock source (i.e., vpluse) to drive the converter, PSS converge fine. However, when I use my ring oscillator to drive the converter, PSS won't converge.
Here are my netlist and simulation log.
Could anyone provide me with some insights?
Thanks!