Version 4 SHEET 1 880 680 WIRE 80 176 160 176 WIRE 0 176 -224 176 WIRE 80 -32 80 -80 WIRE 80 -80 208 -80 WIRE 208 -80 208 -64 WIRE 80 48 80 96 WIRE 208 192 208 368 WIRE -224 224 -224 176 WIRE -224 304 -224 368 WIRE 208 16 208 48 WIRE 208 48 400 48 WIRE 208 48 208 96 WIRE 256 96 400 96 WIRE 256 192 352 192 WIRE 352 224 352 192 WIRE 352 192 400 192 WIRE 352 304 352 368 FLAG 80 96 0 FLAG -224 368 0 FLAG 208 368 0 FLAG 400 48 out FLAG 352 368 0 SYMBOL res -16 192 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL D:\\WUTemp\\Infineon\\xnmos5 160 96 R0 SYMATTR InstName U1 SYMATTR SpiceModel SPD22N08S2L-50 SYMBOL voltage 80 -48 R0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL res 192 -80 R0 SYMATTR InstName R2 SYMATTR Value 10 SYMBOL voltage -224 208 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 10n 5n 5n 200n 1000n) SYMBOL res 336 208 R0 SYMATTR InstName R3 SYMATTR Value 1 TEXT -416 16 Left 0 !.tran 0 2u 0 5n TEXT -416 -16 Left 0 ;.INCLUDE SPD22N08S2L.sub TEXT -416 48 Left 0 !.include optimos_n.lib TEXT -408 -80 Left 0 ;Watch V(out)! TEXT -416 -248 Left 0 ;Control Panel > Hacks > Add Gmin across current sources\nControl Panel > SPICE > Trtol 7 or use the .options trtol 7 command line.\nIt seems that only the command line is necessary for this Mosfet. TEXT -408 -136 Left 0 !.options trtol 7