fsw=250K
Vref=2.5V
Vo=5V
R1=227.85Ohm
R2=821.794Ohm
R11=10KOhm
C1=52.1283nF
C2=648.776nF
C3=14.7824nF
Gmod=1
fc_pole=20K
Voff=Vref-(0.1/Gmod)