Version 4
SHEET 1 1584 1588
WIRE 64 48 48 48
WIRE 144 48 64 48
WIRE 192 48 144 48
WIRE 368 48 272 48
WIRE 688 48 368 48
WIRE 832 48 752 48
WIRE 944 48 832 48
WIRE 1184 48 944 48
WIRE 944 96 944 48
WIRE 368 112 368 48
WIRE 240 192 224 192
WIRE 320 192 240 192
WIRE 832 192 832 48
WIRE 1184 192 1184 48
WIRE 48 208 48 48
WIRE 144 224 144 48
WIRE 944 224 944 176
WIRE 992 224 944 224
WIRE 1008 224 992 224
WIRE 368 256 368 208
WIRE 416 256 368 256
WIRE 448 256 416 256
WIRE 944 272 944 224
WIRE 368 304 368 256
WIRE 48 432 48 288
WIRE 144 432 144 288
WIRE 144 432 48 432
WIRE 368 432 368 384
WIRE 368 432 144 432
WIRE 832 432 832 256
WIRE 832 432 368 432
WIRE 944 432 944 352
WIRE 944 432 832 432
WIRE 1184 432 1184 272
WIRE 1184 432 944 432
WIRE 48 464 48 432
WIRE -432 704 -432 624
WIRE 368 720 208 720
WIRE 464 720 448 720
WIRE 336 784 336 640
WIRE 896 784 880 784
WIRE 960 784 896 784
WIRE 1120 784 1056 784
WIRE 1136 784 1120 784
WIRE 208 800 208 720
WIRE 304 800 208 800
WIRE 672 800 672 656
WIRE 464 816 464 720
WIRE 464 816 368 816
WIRE 560 816 464 816
WIRE 640 816 592 816
WIRE -432 832 -432 784
WIRE 256 832 240 832
WIRE 304 832 256 832
WIRE 960 832 704 832
WIRE 560 848 592 816
WIRE 592 848 560 816
WIRE 640 848 592 848
WIRE 208 864 208 800
WIRE 336 896 336 848
WIRE 560 896 560 848
WIRE 672 912 672 864
WIRE 960 912 960 864
WIRE 208 976 208 944
WIRE 624 1104 400 1104
WIRE 720 1104 688 1104
WIRE 400 1200 400 1104
WIRE 448 1200 400 1200
WIRE 624 1200 528 1200
WIRE 720 1200 720 1104
WIRE 720 1200 688 1200
WIRE 560 1264 560 1056
WIRE 272 1280 256 1280
WIRE 400 1280 400 1200
WIRE 400 1280 272 1280
WIRE 528 1280 400 1280
WIRE 720 1296 720 1200
WIRE 720 1296 592 1296
WIRE 800 1296 720 1296
WIRE 528 1312 432 1312
WIRE 720 1328 720 1296
WIRE 432 1360 432 1312
WIRE 560 1376 560 1328
WIRE 720 1424 720 1408
WIRE 816 1424 720 1424
WIRE 832 1424 816 1424
WIRE 720 1456 720 1424
WIRE 432 1488 432 1440
WIRE 720 1568 720 1536
FLAG 992 224 vfeed
FLAG 416 256 ifeed
FLAG 240 192 vg
FLAG 48 464 0
FLAG -432 832 0
FLAG -432 624 vsq
FLAG 64 48 vcc
FLAG 336 896 0
FLAG 336 640 vcc
FLAG 208 976 0
FLAG 256 832 ifeed
FLAG 672 912 0
FLAG 672 656 vcc
FLAG 960 912 0
FLAG 896 784 vsq
FLAG 1120 784 vg
FLAG 560 1376 0
FLAG 560 1056 vcc
FLAG 432 1488 0
FLAG 272 1280 vfeed
FLAG 816 1424 verr
FLAG 560 896 verr
FLAG 720 1568 0
SYMBOL voltage 48 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap 128 224 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL diode 688 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value RFVS8TG6S
SYMBOL ind 176 64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 47µ
SYMATTR SpiceLine Rser=0.4
SYMBOL res 1168 176 R0
SYMATTR InstName R1
SYMATTR Value 15k
SYMBOL cap 816 192 R0
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL res 352 288 R0
SYMATTR InstName R2
SYMATTR Value 0.1
SYMBOL res 928 80 R0
SYMATTR InstName R3
SYMATTR Value 680k
SYMBOL res 928 256 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL voltage -432 688 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 1n 1n 1u 20u 10k)
SYMBOL res 464 704 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 82k
SYMBOL res 192 848 R0
SYMATTR InstName R7
SYMATTR Value 5.2k
SYMBOL Digital\\srflop 1008 736 R0
SYMATTR InstName A2
SYMATTR SpiceLine Vhigh=5 Vlow=0
SYMBOL OpAmps\\UniversalOpAmp2 672 832 R0
SYMATTR InstName U1
SYMATTR Value2 Avol=1Meg GBW=10Meg Slew=20Meg
SYMBOL OpAmps\\UniversalOpAmp2 336 816 R0
SYMATTR InstName U2
SYMBOL nmos 320 112 R0
SYMATTR InstName M1
SYMATTR Value IPB600N25N3
SYMBOL OpAmps\\UniversalOpAmp2 560 1296 R0
SYMATTR InstName U3
SYMATTR Value2 Avol=1Meg GBW=10Meg Slew=20Meg
SYMBOL voltage 432 1344 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 2.5
SYMBOL res 704 1312 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 704 1440 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 688 1088 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 3.3p
SYMBOL cap 688 1184 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL res 544 1184 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 33k
TEXT -272 480 Left 2 !.tran 0 25m 0