* 3.3 V feedback setpoint: all eight tolerance corners Vref ref 0 {1.25*kref} Ereg out 0 ref fb 1e6 Rtop out fb {16.4k*ktop} Rbottom fb 0 {10k*kbottom} Rload out 0 1k .step param kref list 0.985 1.015 .step param ktop list 0.99 1.01 .step param kbottom list 0.99 1.01 .tran 0 1m 0 10u .meas tran vout FIND V(out) AT=1m .meas tran pass PARAM if(vout>=3.2175,if(vout<=3.3825,1,0),0) .end