Version 4 SHEET 1 1212 680 WIRE 128 64 96 64 WIRE 160 64 128 64 WIRE 272 64 240 64 WIRE 304 64 272 64 WIRE 336 64 304 64 WIRE 448 64 416 64 WIRE 560 64 528 64 WIRE 608 64 560 64 WIRE 704 64 672 64 WIRE 736 64 704 64 WIRE 848 64 816 64 WIRE 880 64 848 64 WIRE 912 64 880 64 WIRE 1024 64 992 64 WIRE 1136 64 1104 64 WIRE 1184 64 1136 64 WIRE 96 112 96 64 WIRE 272 112 272 64 WIRE 560 112 560 64 WIRE 672 112 672 64 WIRE 848 112 848 64 WIRE 1136 112 1136 64 WIRE 176 128 176 112 WIRE 176 128 160 128 WIRE 752 128 752 112 WIRE 752 128 736 128 WIRE 176 144 176 128 WIRE 96 240 96 176 WIRE 176 240 176 224 WIRE 176 240 96 240 WIRE 272 240 272 192 WIRE 272 240 176 240 WIRE 560 240 560 192 WIRE 560 240 272 240 WIRE 672 240 672 176 WIRE 848 240 848 192 WIRE 848 240 672 240 WIRE 1136 240 1136 192 WIRE 1136 240 848 240 WIRE 96 256 96 240 WIRE 672 256 672 240 WIRE 176 368 128 368 WIRE 208 368 176 368 WIRE 320 368 288 368 WIRE 336 368 320 368 WIRE 448 368 400 368 WIRE 480 368 448 368 WIRE 592 368 560 368 WIRE 608 368 592 368 WIRE 176 416 176 368 WIRE 336 416 336 368 WIRE 448 416 448 368 WIRE 608 416 608 368 WIRE 176 544 176 480 WIRE 336 544 336 496 WIRE 336 544 176 544 WIRE 448 544 448 480 WIRE 608 544 608 496 WIRE 608 544 448 544 WIRE 176 560 176 544 WIRE 448 560 448 544 FLAG 96 256 0 FLAG 128 64 c1 FLAG 304 64 r1 FLAG 608 64 g1 FLAG 320 368 out1 FLAG 176 560 0 FLAG 128 368 g1 FLAG 224 112 0 FLAG 160 128 sw FLAG 672 256 0 FLAG 704 64 c2 FLAG 880 64 r2 FLAG 1184 64 g2 FLAG 800 112 0 FLAG 736 128 sw FLAG 592 368 out2 FLAG 448 560 0 FLAG 400 368 g2 SYMBOL cap 80 112 R0 WINDOW 123 24 72 Left 2 SYMATTR InstName C1 SYMATTR Value 5.93µ SYMATTR Value2 IC=tx SYMBOL sw 256 64 M270 SYMATTR InstName S1 SYMBOL res 256 96 R0 SYMATTR InstName R1 SYMATTR Value 20.2 SYMBOL ind 320 80 R270 WINDOW 0 26 56 VTop 2 WINDOW 3 16 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10.9µ SYMBOL res 432 80 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 0.841 SYMBOL res 544 96 R0 SYMATTR InstName R2 SYMATTR Value 26.1 SYMBOL cap 160 416 R0 SYMATTR InstName C2 SYMATTR Value 0.5p SYMBOL ind 192 384 R270 WINDOW 0 26 56 VTop 2 WINDOW 3 16 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 0.4µ SYMBOL voltage 176 128 R0 WINDOW 3 -35 132 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(0 5 2u 1n 1n 2) SYMBOL vdr_siov 320 400 R0 SYMATTR InstName U1 SYMATTR SpiceLine "" SYMATTR Value2 "" SYMATTR SpiceLine2 "" SYMATTR Value T={T} C={C} L={L} B1={B1} B2={B2} B3={B3} B4={B4} SYMBOL cap 656 112 R0 WINDOW 123 24 72 Left 2 SYMATTR InstName C3 SYMATTR Value 5.93µ SYMATTR Value2 IC=tx SYMBOL sw 832 64 M270 SYMATTR InstName S2 SYMBOL res 832 96 R0 SYMATTR InstName R4 SYMATTR Value 20.2 SYMBOL ind 896 80 R270 WINDOW 0 26 56 VTop 2 WINDOW 3 16 56 VBottom 2 SYMATTR InstName L3 SYMATTR Value 10.9µ SYMBOL res 1008 80 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 0.841 SYMBOL res 1120 96 R0 SYMATTR InstName R6 SYMATTR Value 26.1 SYMBOL cap 432 416 R0 SYMATTR InstName C4 SYMATTR Value 0.5p SYMBOL ind 464 384 R270 WINDOW 0 26 56 VTop 2 WINDOW 3 16 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 0.4µ SYMBOL vdr_siov 592 400 R0 SYMATTR InstName U2 SYMATTR SpiceModel SIOV_org SYMATTR SpiceLine "" SYMATTR Value2 "" SYMATTR SpiceLine2 "" SYMATTR Value T={T} C={C} L={L} B1={B1} B2={B2} B3={B3} B4={B4} TEXT 96 -96 Left 2 !.model sw SW(Ron=1n Roff=1Meg Vt=0.5) TEXT 96 -152 Left 2 !.tran 0 20u 0 10n TEXT 96 -136 Left 2 !,param tx=10.5k TEXT 96 -120 Left 2 !.step param tx list 1.2k 2.1k 5,1k 10.5k TEXT 128 608 Left 2 !.param T=1 C=760pF L=13.0nH B1=2.6469709 B2=0.0256509 B3=-0.0006073 B4=0.0045643 TEXT 224 576 Left 2 ;T={T} C={C} L={L} B1={B1} B2={B2} B3={B3} B4={B4} TEXT 96 -48 Left 2 !.meas mImax max Ix(U1:A) TEXT 96 -32 Left 2 !.meas mItim find time when Ix(U1:A)=mImax TEXT 256 -152 Left 2 !.opt plotwinsize 0