Circuit: * C:\Users\Szeli Zoltán\Documents\LTSpice\Teljesítményelektronika\Buck Converter\Buck Type II\Buck Type II.asc Direct Newton iteration for .op point succeeded. Date: Mon Feb 27 12:52:47 2017 Total elapsed time: 48.687 seconds. tnom = 27 temp = 27 method = modified trap totiter = 1590886 traniter = 1590863 tranpoints = 539834 accept = 462487 rejected = 77347 matrix size = 35 fillins = 21 solver = Alternate Thread vector: 24.4/15.6[3] 8.7/4.4[3] 2.7/1.9[3] 0.8/0.8[1] 2592/500 Matrix Compiler1: 3.40 KB object code size 1.8/1.1/[0.8] Matrix Compiler2: off [0.9]/1.2/1.0