Version 4
SHEET 1 1652 1440
WIRE -448 528 -448 192
WIRE -448 640 -448 608
WIRE -368 528 -368 496
WIRE -368 640 -368 608
WIRE -352 192 -448 192
WIRE -352 192 -352 176
WIRE -352 496 -368 496
WIRE -352 496 -352 448
WIRE -288 400 -288 176
WIRE -288 464 -288 400
WIRE -288 528 -288 464
WIRE -288 640 -288 608
WIRE -192 256 -192 144
WIRE -192 272 -192 256
WIRE -192 368 -192 352
WIRE -192 400 -208 400
WIRE -192 528 -192 400
WIRE -192 640 -288 640
WIRE -192 640 -192 592
WIRE -160 400 -192 400
WIRE -160 400 -160 288
WIRE -160 416 -160 400
WIRE -144 256 -192 256
WIRE -144 288 -160 288
WIRE -112 176 -288 176
WIRE -112 240 -112 176
WIRE -112 640 -192 640
WIRE -112 640 -112 304
WIRE -96 608 -96 528
WIRE -80 496 -352 496
WIRE -80 528 -96 528
WIRE -64 272 -80 272
WIRE -64 368 -192 368
WIRE -64 368 -64 272
WIRE -64 448 -64 368
WIRE -48 464 -288 464
WIRE -48 480 -48 464
WIRE -48 640 -112 640
WIRE -48 640 -48 544
WIRE -32 368 -32 320
WIRE -16 272 -64 272
WIRE -16 320 -32 320
WIRE 16 512 -16 512
WIRE 16 512 16 432
WIRE 16 528 16 512
WIRE 16 608 -96 608
WIRE 64 272 64 240
WIRE 64 320 64 272
WIRE 80 320 64 320
WIRE 80 608 16 608
WIRE 96 192 -352 192
WIRE 96 272 96 192
WIRE 96 368 64 368
WIRE 96 464 -48 464
WIRE 96 464 96 368
WIRE 144 240 64 240
WIRE 144 272 96 272
WIRE 176 176 -112 176
WIRE 176 224 176 176
WIRE 176 640 -48 640
WIRE 176 640 176 288
WIRE 192 320 160 320
WIRE 256 256 208 256
WIRE 256 320 256 256
WIRE 272 528 272 496
WIRE 272 608 160 608
WIRE 272 608 272 592
WIRE 304 64 -192 64
WIRE 304 160 304 128
WIRE 320 256 256 256
WIRE 320 352 320 336
WIRE 320 496 272 496
WIRE 320 496 320 432
WIRE 320 528 320 496
WIRE 320 608 272 608
WIRE 368 64 304 64
WIRE 368 160 304 160
WIRE 368 160 368 144
WIRE 368 176 368 160
WIRE 368 304 368 272
WIRE 368 352 368 304
WIRE 368 528 368 432
WIRE 384 304 368 304
WIRE 384 496 320 496
WIRE 384 528 368 528
WIRE 416 464 96 464
WIRE 416 480 416 464
WIRE 416 640 176 640
WIRE 416 640 416 544
WIRE 464 64 368 64
WIRE 464 176 464 64
WIRE 464 304 464 240
WIRE 464 336 320 336
WIRE 464 336 464 304
WIRE 464 352 464 336
WIRE 464 512 448 512
WIRE 464 608 320 608
WIRE 464 608 464 512
WIRE 496 448 -64 448
WIRE 496 608 464 608
WIRE 512 64 464 64
WIRE 512 160 512 64
WIRE 512 336 464 336
WIRE 512 336 512 240
WIRE 528 64 512 64
WIRE 528 336 512 336
WIRE 576 160 512 160
WIRE 576 240 512 240
FLAG 464 352 0
FLAG 528 64 u-
IOPIN 528 64 Out
FLAG 496 608 I_ist
IOPIN 496 608 Out
FLAG -448 640 0
FLAG -368 640 0
FLAG -160 416 0
FLAG 496 448 U_ist
IOPIN 496 448 Out
FLAG -352 176 Usoll
IOPIN -352 176 In
FLAG -352 448 Isoll
IOPIN -352 448 In
FLAG 528 336 u+
IOPIN 528 336 Out
SYMBOL voltage 368 160 R180
WINDOW 0 -16 58 Left 0
WINDOW 3 -38 15 Left 0
WINDOW 123 0 0 Left 0
SYMATTR InstName Vp
SYMATTR Value 42.1
SYMATTR SpiceLine Rser=0.1
SYMBOL voltage -288 512 R0
WINDOW 0 -15 54 Left 0
WINDOW 3 17 102 Left 0
WINDOW 123 0 0 Left 0
SYMATTR InstName Vh
SYMATTR Value 12
SYMATTR SpiceLine Rser=1
SYMBOL Opamps\\LT1490 176 192 R0
WINDOW 3 -55 474 Left 0
SYMATTR InstName U1
SYMBOL nmos 320 176 R0
WINDOW 0 -32 43 Left 0
WINDOW 3 -17 485 Left 0
SYMATTR InstName M1
SYMATTR Value SUD40N10-25
SYMBOL voltage -448 512 R0
WINDOW 0 -13 56 Left 0
WINDOW 3 -25 11 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vu
SYMATTR Value PULSE(4 0.4 0.005 0.0025 0.0025 0.01 0.02)
SYMBOL Opamps\\LT1490 416 448 R0
WINDOW 3 -65 241 Left 0
SYMATTR InstName U3
SYMBOL Opamps\\LT1490 -48 448 R0
WINDOW 3 -98 222 Left 0
WINDOW 0 -37 116 Left 0
SYMATTR InstName U5
SYMBOL voltage -368 512 R0
WINDOW 0 -14 56 Left 0
WINDOW 3 20 101 Left 0
WINDOW 123 0 0 Left 0
SYMATTR InstName Vi
SYMATTR Value 4
SYMATTR SpiceLine Rser=10
SYMBOL cap 256 528 R0
WINDOW 0 -12 16 Left 0
WINDOW 3 -17 48 Left 0
SYMATTR InstName C4
SYMATTR Value 22n
SYMATTR SpiceLine V=25 Irms=0 Rser=0.007 MTBF=0 Lser=0 ppPkg=1
SYMBOL Misc\\EuropeanResistor -208 48 R0
WINDOW 0 17 82 VLeft 0
WINDOW 3 -6 78 VLeft 0
SYMATTR InstName R2
SYMATTR Value 180K
SYMATTR SpiceLine tol=0.1
SYMBOL Misc\\EuropeanResistor 0 512 R0
WINDOW 0 16 81 VLeft 0
WINDOW 3 45 82 VLeft 0
SYMATTR InstName R3
SYMATTR Value 220K
SYMATTR SpiceLine tol=5
SYMBOL Misc\\EuropeanResistor 64 624 R270
WINDOW 0 9 49 VTop 0
WINDOW 3 45 58 VBottom 0
SYMATTR InstName R4
SYMATTR Value 180
SYMATTR SpiceLine tol=5
SYMBOL Misc\\EuropeanResistor 336 448 R180
WINDOW 0 16 50 VLeft 0
WINDOW 3 43 66 VLeft 0
SYMATTR InstName R5
SYMATTR Value 2K
SYMATTR SpiceLine tol=0.1
SYMBOL Misc\\EuropeanResistor 304 512 R0
WINDOW 0 16 82 VLeft 0
WINDOW 3 45 65 VLeft 0
SYMATTR InstName R6
SYMATTR Value 18K
SYMATTR SpiceLine tol=0.1
SYMBOL Misc\\EuropeanResistor 368 320 R270
WINDOW 0 8 37 VTop 0
WINDOW 3 47 37 VBottom 0
SYMATTR InstName R7
SYMATTR Value 0.1
SYMATTR SpiceLine tol=0.5
SYMBOL Misc\\EuropeanResistor -304 416 R270
WINDOW 0 8 43 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName R10
SYMATTR Value 3K6
SYMATTR SpiceLine tol=5
SYMBOL Misc\\EuropeanResistor -176 368 R180
WINDOW 0 17 55 VLeft 0
WINDOW 3 40 67 VLeft 0
SYMATTR InstName R12
SYMATTR Value 18K
SYMATTR SpiceLine tol=0.1
SYMBOL Opamps\\LT1490 -112 208 R0
WINDOW 3 -1 491 Left 0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor 560 144 R0
WINDOW 0 16 84 VLeft 0
SYMATTR InstName Last
SYMATTR Value 10
SYMATTR SpiceLine tol=0.1
SYMBOL diode -208 528 R0
WINDOW 3 -37 169 Left 0
SYMATTR Value MUR460
SYMATTR InstName D1
SYMBOL cap 256 304 R90
WINDOW 0 13 16 VBottom 0
WINDOW 3 20 7 VTop 0
SYMATTR InstName C1
SYMATTR Value 220n
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 MTBF=0 Lser=0 ppPkg=1
SYMBOL Misc\\EuropeanResistor 176 304 R90
WINDOW 0 24 75 VBottom 0
WINDOW 3 29 56 VTop 0
SYMATTR InstName R8
SYMATTR Value 200
SYMATTR SpiceLine tol=5
SYMBOL cap 448 176 R0
WINDOW 0 22 15 Left 0
WINDOW 3 24 47 Left 0
SYMATTR InstName C2
SYMATTR Value 22µ
SYMATTR SpiceLine V=63 Irms=215m Rser=0.52 MTBF=2000 Lser=0 mfg="Nichicon" pn="UPL1J220MPH" type="Al electrolytic" ppPkg=1
SYMBOL polcap 320 128 R180
WINDOW 0 42 37 Left 0
WINDOW 3 41 22 Left 0
SYMATTR InstName C3
SYMATTR Value 220µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=63 Irms=1.12 Rser=0.07 MTBF=5000 Lser=0 mfg="Nichicon" pn="UPL1J221MRH6" type="Al electrolytic" ppPkg=1
SYMBOL npn 64 432 M270
WINDOW 3 -257 -6 VRight 0
WINDOW 0 12 -8 Left 0
SYMATTR Value 2N3904
SYMATTR InstName Q2
SYMBOL Misc\\EuropeanResistor 80 256 R90
WINDOW 0 24 75 VBottom 0
WINDOW 3 -14 60 VTop 0
SYMATTR InstName R9
SYMATTR Value 1K
SYMATTR SpiceLine tol=5
SYMBOL Misc\\EuropeanResistor 80 304 R90
WINDOW 0 24 76 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 3K6
SYMATTR SpiceLine tol=5
SYMBOL Misc\\EuropeanResistor 352 336 R0
WINDOW 0 16 82 VLeft 0
WINDOW 3 45 69 VLeft 0
SYMATTR InstName R11
SYMATTR Value 1K8
SYMATTR SpiceLine tol=0.1
TEXT -288 760 Left 0 !;tran 0 0.025 0.001 1000
TEXT -288 728 Left 0 !.op