Version 4 SHEET 1 1100 852 WIRE -128 -128 -224 -128 WIRE 80 -128 -128 -128 WIRE 672 -128 352 -128 WIRE -224 -96 -224 -128 WIRE 352 -96 352 -128 WIRE 80 -80 80 -128 WIRE 80 -80 -64 -80 WIRE 672 -80 672 -128 WIRE -64 -64 -64 -80 WIRE -224 16 -224 -16 WIRE -64 16 -64 0 WIRE 80 32 80 -80 WIRE 672 32 672 0 WIRE 48 48 0 48 WIRE 352 48 352 -16 WIRE 144 64 112 64 WIRE 240 64 144 64 WIRE 48 80 -304 80 WIRE -304 112 -304 80 WIRE 240 112 240 64 WIRE -128 128 -128 -128 WIRE -128 128 -192 128 WIRE -64 128 -128 128 WIRE 80 128 80 96 WIRE -192 144 -192 128 WIRE 0 160 0 48 WIRE 352 160 352 128 WIRE -304 224 -304 192 WIRE -192 224 -192 208 WIRE 240 240 240 192 WIRE 304 240 240 240 WIRE 352 272 352 256 WIRE 432 272 352 272 WIRE -64 288 -64 128 WIRE -96 304 -192 304 WIRE 240 304 240 240 WIRE 352 304 352 272 WIRE 0 320 0 240 WIRE 0 320 -32 320 WIRE -96 336 -144 336 WIRE 0 336 0 320 WIRE -64 400 -64 352 WIRE 240 432 240 384 WIRE 352 432 352 384 WIRE -192 448 -192 304 WIRE -80 448 -192 448 WIRE 0 448 0 416 WIRE 0 448 -80 448 WIRE 144 448 144 64 WIRE 0 464 0 448 WIRE -80 480 -80 448 WIRE -80 560 -80 544 WIRE 0 560 0 544 WIRE -144 640 -144 336 WIRE 144 640 144 512 WIRE 144 640 -144 640 WIRE 256 640 144 640 WIRE 432 640 432 272 WIRE 432 640 336 640 FLAG 352 432 0 FLAG 240 432 0 FLAG 0 560 0 FLAG -64 400 0 FLAG 80 128 0 FLAG -224 16 0 FLAG -304 224 0 FLAG -192 224 0 FLAG -64 16 0 FLAG 672 32 0 FLAG -80 560 0 SYMBOL res 336 288 R0 SYMATTR InstName R17 SYMATTR Value .001 SYMATTR SpiceLine tol=.1 pwr=10 SYMBOL res 224 288 R0 SYMATTR InstName R15 SYMATTR Value 2200 SYMATTR SpiceLine tol=1 pwr=.5 SYMBOL res -16 320 R0 SYMATTR InstName R13 SYMATTR Value 470000 SYMATTR SpiceLine tol=.1 pwr=.5 SYMBOL res -16 448 R0 SYMATTR InstName R14 SYMATTR Value 1500 SYMATTR SpiceLine tol=.1 pwr=1 SYMBOL voltage -224 -112 R0 WINDOW 123 0 0 Left 0 WINDOW 0 -84 52 Left 0 SYMATTR InstName V1 SYMATTR SpiceLine Rser=.00000000001 SYMATTR Value 12 SYMBOL voltage -304 96 R0 WINDOW 123 -189 67 Left 0 WINDOW 3 -84 84 Left 0 WINDOW 39 -191 1 Left 0 WINDOW 0 -75 55 Left 0 SYMATTR Value2 AC AC 1 SYMATTR Value 7.86 SYMATTR SpiceLine Rser=.00000001 SYMATTR InstName V2 SYMBOL res 336 -112 R0 SYMATTR InstName R44 SYMATTR Value 15 SYMATTR SpiceLine tol=1 pwr=100 SYMBOL res 336 32 R0 SYMATTR InstName R45 SYMATTR Value 15 SYMATTR SpiceLine tol=1 pwr=100 SYMBOL nmos 304 160 R0 SYMATTR InstName M1 SYMATTR Value IRFP3703 SYMATTR Prefix X SYMBOL res -16 144 R0 SYMATTR InstName R42 SYMATTR Value 10000 SYMATTR SpiceLine tol=1 pwr=.5 SYMBOL Opamps\\LT1355 -64 256 R0 WINDOW 0 26 32 Left 0 WINDOW 3 81 35 Left 0 SYMATTR InstName U7 SYMBOL Opamps\\LT1355 80 0 R0 WINDOW 3 67 32 Left 0 WINDOW 0 26 32 Left 0 SYMATTR InstName U5 SYMBOL cap -80 -64 R0 WINDOW 0 45 34 Left 0 SYMATTR InstName C1 SYMATTR Value .0000001 SYMBOL cap -208 144 R0 WINDOW 0 46 25 Left 0 WINDOW 3 30 58 Left 0 SYMATTR InstName C2 SYMATTR Value .0000001 SYMBOL res 352 624 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R43 SYMATTR Value 1000 SYMATTR SpiceLine tol=1 pwr=1 SYMBOL res 224 96 R0 SYMATTR InstName R16 SYMATTR Value 150 SYMATTR SpiceLine tol=1 pwr=1 SYMBOL cap 128 448 R0 WINDOW 0 52 25 Left 0 WINDOW 3 30 59 Left 0 SYMATTR InstName C3 SYMATTR Value .000000001 SYMBOL voltage 672 -96 R0 WINDOW 123 0 0 Left 0 WINDOW 0 -84 52 Left 0 WINDOW 3 -41 13 Left 0 SYMATTR InstName V3 SYMATTR Value 12 SYMATTR SpiceLine Rser=.00000000001 SYMBOL cap -96 480 R0 WINDOW 0 31 1 Left 0 WINDOW 3 -22 110 Left 0 SYMATTR InstName C4 SYMATTR Value .00000001 TEXT -488 272 Left 0 !;tran 0 120 1 .1 steady TEXT -480 320 Left 0 !;tran 0 180 0 .01 TEXT -496 56 Left 0 !;dc V2 0 7.86 .01 V1 12 12 TEXT -496 352 Left 0 !;tran 0 120 1 .1 steady TEXT -496 424 Left 0 !.ac dec 1000 1 1000000 TEXT 400 192 Left 0 !.include irfp3703.lib TEXT -416 384 Left 0 !;op TEXT -488 456 Left 0 ;Voltage Controlled Current Sink TEXT -488 480 Left 0 ;0 - 7.86 volts in = 0 - 25A out TEXT 392 40 Left 0 ;10 Ohm Minimum Load 3.3 v TEXT 432 64 Left 0 ;( per VCCS module ) TEXT -488 504 Left 0 ;Full Power Bandwidth\n2000 Hz @ 100% output 3.3 v \n750 Hz @ 100% output 5 v\n230 Hz @ 100% output 12 v TEXT 448 344 Left 0 ;0.001 shunt TEXT 376 -104 Left 0 ;0.23 Ohm full load 12 v TEXT 368 136 Left 0 ;0.23 Ohm full load 12 v TEXT 392 -8 Left 0 ;30 Ohm Minimum Load 12 v TEXT 392 16 Left 0 ;15 Ohm Minimum Load 5 v TEXT -488 600 Left 0 ;Modeled Stable from idle \nthrough 100% of full current to\nCurrent Mode limiting 400% full load TEXT -128 168 Left 0 ;0.1 uF TEXT 0 -32 Left 0 ;0.1 uF TEXT -104 616 Left 0 ;0.01 uF TEXT 168 536 Left 0 ;0.001 uF TEXT 64 184 Left 0 ;10K TEXT 64 360 Left 0 ;470K TEXT -464 -112 Left 0 ;VCCS revision[4]