Version 4
SHEET 1 1104 1208
WIRE -304 -48 -448 -48
WIRE -144 -48 -304 -48
WIRE 144 -48 -64 -48
WIRE 256 -48 144 -48
WIRE 432 -48 320 -48
WIRE 624 -48 432 -48
WIRE 1024 -48 624 -48
WIRE 144 48 144 -48
WIRE -448 64 -448 -48
WIRE -304 64 -304 -48
WIRE 432 64 432 -48
WIRE 624 64 624 -48
WIRE 96 128 -96 128
WIRE 144 176 144 144
WIRE -448 272 -448 144
WIRE -304 272 -304 128
WIRE -304 272 -448 272
WIRE 144 272 144 256
WIRE 144 272 -304 272
WIRE 432 272 432 128
WIRE 432 272 144 272
WIRE 624 272 624 144
WIRE 624 272 432 272
WIRE 144 288 144 272
WIRE -96 416 -96 128
WIRE 352 544 304 544
WIRE 448 544 416 544
WIRE 544 544 528 544
WIRE 576 544 544 544
WIRE 672 544 640 544
WIRE 1024 560 1024 -48
WIRE 416 592 384 592
WIRE 384 624 384 592
WIRE 48 640 48 608
WIRE 544 640 544 544
WIRE 544 640 416 640
WIRE 560 640 544 640
WIRE 672 640 672 544
WIRE 672 640 640 640
WIRE 736 640 672 640
WIRE 304 656 304 544
WIRE 304 656 80 656
WIRE 352 656 304 656
WIRE 736 656 736 640
WIRE 1024 656 1024 640
WIRE 1024 656 736 656
WIRE -96 672 -96 480
WIRE 16 672 -96 672
WIRE 464 672 416 672
WIRE 160 688 80 688
WIRE 1024 688 1024 656
WIRE 464 704 464 672
WIRE 384 720 384 688
WIRE 160 736 160 688
WIRE 48 768 48 704
WIRE 1024 784 1024 768
WIRE 464 816 464 784
WIRE 160 848 160 816
WIRE -368 1024 -448 1024
WIRE -448 1056 -448 1024
WIRE -448 1168 -448 1136
FLAG 144 288 0
FLAG 1024 784 0
FLAG 384 720 0
FLAG 416 592 +5V
FLAG 464 816 0
FLAG -368 1024 +5V
FLAG -448 1168 0
FLAG 48 608 0
FLAG 48 768 +5V
FLAG 160 848 0
SYMBOL ind -160 -32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 60µ
SYMBOL nmos 96 48 R0
SYMATTR InstName M1
SYMATTR Value IPD031N06L3
SYMBOL res 128 160 R0
SYMATTR InstName Ri
SYMATTR Value 0.05
SYMBOL diode 256 -32 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value RFN10NS8D
SYMBOL cap 416 64 R0
SYMATTR InstName Ca
SYMATTR Value 10µ
SYMBOL res 608 48 R0
SYMATTR InstName RLast
SYMATTR Value 1000
SYMBOL cap -320 64 R0
SYMATTR InstName Ce
SYMATTR Value 100µ
SYMBOL voltage -448 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 1008 544 R0
SYMATTR InstName R1
SYMATTR Value 110k
SYMBOL res 1008 672 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 544 528 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 656 624 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL cap 416 528 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL voltage 464 688 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(2 1 0 10n 10n 20m 40m)
SYMBOL voltage -448 1040 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 160 720 R0
WINDOW 3 -67 175 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 5 0 20u 1p 1p 20u)
SYMATTR InstName V4
SYMBOL Comparators\\LT1720 48 736 R180
SYMATTR InstName U3
SYMBOL Opamps\\LTC6085 384 656 M0
SYMATTR InstName U2
SYMBOL Digital\\buf1 -160 480 R270
SYMATTR InstName A1
SYMATTR SpiceLine Vhigh=15 Ref=0.5
SYMBOL cap 640 528 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10µ
TEXT -480 1192 Left 2 !.tran 1 startup