Circuit: * C:\Users\Szeli Zoltán\Documents\LTSpice\Teljesítményelektronika\Buck Converter\Buck Type III\Buck Type III + 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 0.000267006 to 0.000267006 Date: Mon Feb 20 13:16:52 2017 Total elapsed time: 5.836 seconds. tnom = 27 temp = 27 method = modified trap totiter = 137614 traniter = 137262 tranpoints = 47747 accept = 41199 rejected = 6549 matrix size = 48 fillins = 29 solver = Alternate Thread vector: 39.0/19.8[4] 19.1/8.1[4] 5.3/3.4[4] 1.1/1.0[2] 2592/500 Matrix Compiler1: 5.36 KB object code size 3.4/2.7/[1.5] Matrix Compiler2: 5.46 KB object code size 1.2/1.8/[1.0]