Circuit: * C:\Users\Szeli Zoltán\Documents\LTSpice\Teljesítményelektronika\Buck Converter\Buck Type II\Buck Type II + Current Sense.asc Direct Newton iteration failed to find .op point. (Use ".option noopiter" to skip.) Starting Gmin stepping Gmin = 10 Gmin = 1.07374 Gmin = 0.115292 Gmin = 0.0123794 Gmin = 0.00132923 Gmin = 0.000142725 Gmin = 1.5325e-005 Gmin = 1.6455e-006 Gmin = 1.76685e-007 Gmin = 1.89714e-008 Gmin = 2.03704e-009 Gmin = 2.18725e-010 Gmin = 2.34854e-011 Gmin = 2.52173e-012 Gmin = 2.70769e-013 Gmin = 0 Gmin stepping succeeded in finding the operating point. Ignoring empty pin current: Ix(u3:5) Ignoring empty pin current: Ix(u3:5) Heightened Def Con from 0.00085506 to 0.00085506 Date: Mon Feb 20 13:16:16 2017 Total elapsed time: 17.334 seconds. tnom = 27 temp = 27 method = modified trap totiter = 438680 traniter = 438328 tranpoints = 150377 accept = 129383 rejected = 20995 matrix size = 47 fillins = 28 solver = Alternate Thread vector: 39.2/19.4[4] 13.3/5.8[4] 5.4/3.6[4] 1.2/0.9[2] 2592/500 Matrix Compiler1: 5.12 KB object code size 3.1/1.8/[1.2] Matrix Compiler2: 5.33 KB object code size 1.1/1.7/[1.0]