* 3.3 V feedback setpoint: independent uniform tolerances .param tr=0.01 tref=0.015 Vref ref 0 {mc(1.25,tref)} Ereg out 0 ref fb 1e6 Rtop out fb {mc(16.4k,tr)} Rbottom fb 0 {mc(10k,tr)} Rload out 0 1k .step param run 1 1000 1 .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