Version 4 SHEET 1 13828 1048 WIRE -464 -624 -496 -624 WIRE 544 -624 512 -624 WIRE -496 -592 -496 -624 WIRE 544 -592 544 -624 WIRE -256 -304 -320 -304 WIRE -160 -304 -176 -304 WIRE -160 -240 -160 -304 WIRE -224 -144 -256 -144 WIRE 128 -144 -224 -144 WIRE 256 -144 128 -144 WIRE -224 -112 -224 -144 WIRE 128 -112 128 -144 WIRE 256 -96 256 -144 WIRE -224 -16 -224 -48 WIRE -144 -16 -224 -16 WIRE -16 -16 -144 -16 WIRE 256 -16 256 -32 WIRE 304 -16 256 -16 WIRE -224 0 -224 -16 WIRE -224 0 -272 0 WIRE 80 0 80 -48 WIRE 80 0 48 0 WIRE 128 0 128 -32 WIRE 256 0 256 -16 WIRE 256 0 128 0 WIRE -16 16 -64 16 WIRE -224 32 -224 0 WIRE -144 32 -144 -16 WIRE 128 32 128 0 WIRE 80 48 80 0 WIRE 256 48 256 0 WIRE -224 144 -224 96 WIRE -224 144 -256 144 WIRE -144 144 -144 96 WIRE -144 144 -224 144 WIRE -64 144 -64 16 WIRE -64 144 -144 144 WIRE 128 144 128 112 WIRE 128 144 -64 144 WIRE 256 144 256 112 WIRE 256 144 128 144 WIRE -496 288 -496 256 WIRE -464 288 -496 288 WIRE 544 288 544 256 WIRE 544 288 512 288 FLAG -272 0 Input IOPIN -272 0 In FLAG -256 144 Gnd IOPIN -256 144 In FLAG 304 -16 Output IOPIN 304 -16 Out FLAG -256 -144 Vdd IOPIN -256 -144 In FLAG -320 -304 NC IOPIN -320 -304 In FLAG -160 -240 0 FLAG 80 96 0 FLAG 80 -96 0 FLAG -16 -240 Gnd IOPIN -16 -240 In FLAG -16 -320 Vdd IOPIN -16 -320 In SYMBOL diode -240 -48 M180 WINDOW 0 31 64 Left 0 WINDOW 3 32 0 Left 0 SYMATTR InstName D1 SYMATTR Value Dd SYMBOL cap -160 32 R0 WINDOW 0 32 0 Left 0 WINDOW 3 32 64 Left 0 WINDOW 39 32 131 Center 0 SYMATTR InstName C1 SYMATTR Value 25p SYMATTR SpiceLine Rpar=1e6 SYMBOL res -160 -320 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 100meg SYMBOL sw 128 128 M180 SYMATTR InstName S1 SYMATTR Value SWL SYMBOL sw 128 -16 M180 SYMATTR InstName S2 SYMATTR Value SWH SYMBOL diode 272 -32 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D3 SYMATTR Value Dbd SYMBOL diode 272 112 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D4 SYMATTR Value Dbd SYMBOL diode -208 96 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value Dclamp SYMBOL Digital\\diffschmtinv -16 -64 R0 SYMATTR InstName A1 SYMATTR SpiceLine vt={(2.4+0.8)/2} vh={(2.4-0.8)/2} SYMATTR Value2 trise=55n tripdt=20n SYMBOL current -16 -320 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 140µ load TEXT 40 -640 Center 0 ;>> TC4452 Behavioral Model By Hendrik Jan Zwerver<< TEXT -432 -576 Left 0 !.model Dd D(Ron=.5 Vfwd=.5)\n.model Dclamp D(Ron=.5 Vfwd=5.3)\n.model Dbd d(cjo=1n rs=0.01) TEXT -440 -480 Left 0 !.model SWL sw(ron=0.9 vt=0.5 vh=-0.51)\n.model SWH sw(ron=1 vt=-0.5 vh=-0.5) RECTANGLE Normal 528 272 -480 -608