Version 4 SHEET 1 1928 1096 WIRE -2848 -160 -2928 -160 WIRE -1424 -160 -2848 -160 WIRE -1248 -160 -1424 -160 WIRE -752 -160 -1184 -160 WIRE -576 -160 -752 -160 WIRE -544 -160 -576 -160 WIRE -416 -160 -464 -160 WIRE -304 -160 -416 -160 WIRE -2928 -144 -2928 -160 WIRE -1248 -144 -1248 -160 WIRE -1184 -144 -1184 -160 WIRE -752 -144 -752 -160 WIRE -416 -144 -416 -160 WIRE -304 -144 -304 -160 WIRE -1424 -128 -1424 -160 WIRE -1056 -64 -1088 -64 WIRE -944 -64 -976 -64 WIRE -800 -64 -944 -64 WIRE -2928 -48 -2928 -64 WIRE -944 -48 -944 -64 WIRE -416 -48 -416 -80 WIRE -304 -48 -304 -64 WIRE -1424 -16 -1424 -64 WIRE -1184 32 -1184 -64 WIRE -944 32 -944 16 WIRE -944 32 -1184 32 WIRE -880 32 -944 32 WIRE -752 32 -752 -48 WIRE -752 32 -784 32 WIRE -752 48 -752 32 WIRE -1984 64 -2064 64 WIRE -1856 64 -1920 64 WIRE -1760 64 -1808 64 WIRE -1664 64 -1696 64 WIRE -1536 64 -1664 64 WIRE -1472 64 -1536 64 WIRE -1856 80 -1856 64 WIRE -1808 80 -1808 64 WIRE -1664 80 -1664 64 WIRE -1536 80 -1536 64 WIRE -2064 96 -2064 64 WIRE -1424 96 -1424 80 WIRE -1248 96 -1248 -64 WIRE -1248 96 -1424 96 WIRE -2848 160 -2848 -160 WIRE -976 160 -1184 160 WIRE -912 160 -976 160 WIRE -800 160 -800 80 WIRE -800 160 -832 160 WIRE -768 160 -800 160 WIRE -576 160 -576 -160 WIRE -576 160 -704 160 WIRE -1856 176 -1856 160 WIRE -1808 176 -1808 160 WIRE -1664 176 -1664 144 WIRE -1664 176 -1808 176 WIRE -1536 176 -1536 144 WIRE -1536 176 -1664 176 WIRE -1248 176 -1248 96 WIRE -1248 176 -1536 176 WIRE -1184 176 -1184 160 WIRE -976 176 -976 160 WIRE -2160 192 -2160 176 WIRE -2064 192 -2064 176 WIRE -2672 256 -2768 256 WIRE -2656 256 -2672 256 WIRE -1296 256 -1952 256 WIRE -2768 272 -2768 256 WIRE -1184 272 -1184 256 WIRE -1088 272 -1088 -64 WIRE -1088 272 -1184 272 WIRE -1072 272 -1088 272 WIRE -976 272 -976 240 WIRE -976 272 -1008 272 WIRE -976 304 -976 272 WIRE -2672 352 -2672 256 WIRE -2656 352 -2672 352 WIRE -2768 368 -2768 352 WIRE -2848 448 -2848 240 WIRE -2656 448 -2848 448 WIRE -1248 448 -1248 272 WIRE -1248 448 -1952 448 WIRE -2848 464 -2848 448 WIRE -1248 464 -1248 448 WIRE -2656 544 -2848 544 WIRE -1936 544 -1952 544 WIRE -2848 560 -2848 544 WIRE -1248 560 -1248 544 WIRE -2736 640 -2752 640 WIRE -2656 640 -2672 640 WIRE -1936 640 -1952 640 WIRE -2848 656 -2848 640 WIRE -2736 736 -2752 736 WIRE -2656 736 -2672 736 WIRE -1936 736 -1952 736 WIRE -2592 912 -2592 896 WIRE -2496 912 -2496 896 WIRE -2400 912 -2400 896 WIRE -2304 912 -2304 896 WIRE -2208 912 -2208 896 WIRE -2112 912 -2112 896 WIRE -2016 928 -2016 896 WIRE -2592 1008 -2592 992 WIRE -2496 1008 -2496 992 WIRE -2400 1008 -2400 992 WIRE -2304 1008 -2304 992 WIRE -2208 1008 -2208 992 FLAG -1248 560 0 FLAG -304 -48 0 FLAG -2848 656 0 FLAG -2928 -48 0 FLAG -2928 -160 IN FLAG -304 -160 OUT FLAG -2752 640 0 FLAG -2752 736 0 FLAG -2592 1008 0 FLAG -2496 1008 0 FLAG -2400 1008 0 FLAG -2304 1008 0 FLAG -2208 1008 0 FLAG -2016 928 0 FLAG -1936 544 0 FLAG -752 48 0 FLAG -416 -48 0 FLAG -2160 176 0 FLAG -1856 176 0 FLAG -2768 368 0 FLAG -1936 736 0 FLAG -976 304 0 SYMBOL res -1264 448 R0 SYMATTR InstName R1 SYMATTR Value .25 SYMBOL voltage -2928 -160 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 350 SYMBOL res -320 -160 R0 SYMATTR InstName R2 SYMATTR Value 2 SYMBOL nmos -1296 176 R0 WINDOW 0 -1 33 Right 2 WINDOW 3 36 103 Right 2 SYMATTR InstName Q1 SYMATTR Value IPB200N25N3 SYMBOL cap -2736 624 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .02µ SYMBOL cap -2736 720 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .047µ SYMBOL res -2608 896 R0 SYMATTR InstName R3 SYMATTR Value 66.5K SYMBOL res -2512 896 R0 SYMATTR InstName R4 SYMATTR Value 88.7K SYMBOL res -2416 896 R0 SYMATTR InstName R5 SYMATTR Value 49.9K SYMBOL res -2320 896 R0 SYMATTR InstName R6 SYMATTR Value 49.9K SYMBOL res -2224 896 R0 SYMATTR InstName R7 SYMATTR Value 53K SYMBOL nmos -880 80 R270 WINDOW 3 -7 69 VLeft 2 WINDOW 0 63 36 VRight 2 SYMATTR Value BSC082N10LS SYMATTR InstName Q2 SYMBOL polcap -432 -144 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 470µ SYMATTR InstName C3 SYMATTR Description Capacitor SYMATTR Type cap SYMBOL nmos -800 -144 R0 WINDOW 3 55 81 Left 2 WINDOW 0 61 16 Left 2 SYMATTR Value BSC082N10LS SYMATTR InstName Q3 SYMBOL nmos -1472 -16 R0 WINDOW 0 55 32 Left 2 WINDOW 3 -10 126 Left 2 SYMATTR InstName Q4 SYMATTR Value BSC16DN25NS3 SYMBOL cap -1440 -128 R0 WINDOW 39 22 60 Left 2 WINDOW 3 38 31 Left 2 WINDOW 123 25 87 Left 2 SYMATTR SpiceLine Cpar=4.7n SYMATTR Value 15n SYMATTR Value2 Rser=1K SYMATTR InstName C4 SYMBOL diode -1552 144 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value UPSC600 SYMBOL cap -1680 80 R0 WINDOW 39 23 62 Left 2 WINDOW 3 35 35 Left 2 SYMATTR SpiceLine Rpar=10K SYMATTR Value 470p SYMATTR InstName C5 SYMBOL cap -1760 80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C6 SYMATTR Value 3.3n SYMBOL ind2 -1872 64 R0 WINDOW 0 0 30 Right 2 WINDOW 3 -2 70 Right 2 SYMATTR InstName L1 SYMATTR Value 2m SYMATTR Type ind SYMATTR SpiceLine Rser=1.4 SYMBOL ind2 -1792 64 M0 WINDOW 0 2 27 Right 2 WINDOW 3 -4 76 Right 2 SYMATTR InstName L2 SYMATTR Value 2m SYMATTR Type ind SYMATTR SpiceLine Rser=1.4 SYMBOL cap -1984 80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C7 SYMATTR Value 220n SYMBOL res -2080 80 R0 SYMATTR InstName R8 SYMATTR Value 100 SYMBOL PowerProducts\\LT3752-2 -2304 544 R0 SYMATTR InstName U1 SYMBOL voltage -2768 256 R0 SYMATTR InstName V2 SYMATTR Value 13 SYMBOL res -2864 544 R0 SYMATTR InstName R9 SYMATTR Value 5.9K SYMBOL res -2864 448 R0 SYMATTR InstName R10 SYMATTR Value 3.01K SYMBOL res -2864 144 R0 SYMATTR InstName R11 SYMATTR Value 2Meg SYMBOL ind2 -1264 -48 M180 WINDOW 0 -7 77 Right 2 WINDOW 3 -4 44 Right 2 SYMATTR InstName L3 SYMATTR Value 2m SYMATTR Type ind SYMATTR SpiceLine Rser=18m SYMBOL ind2 -1168 -48 R180 WINDOW 0 -8 81 Right 2 WINDOW 3 1 37 Right 2 SYMATTR InstName L4 SYMATTR Value 13.9µ SYMATTR Type ind SYMATTR SpiceLine Rser=6.3m SYMBOL ind2 -1168 272 R180 WINDOW 0 -2 72 Right 2 WINDOW 3 -2 47 Right 2 SYMATTR InstName L5 SYMATTR Value 1.54µ SYMATTR Type ind SYMATTR SpiceLine Rser=6.3m SYMBOL ind2 -560 -144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L6 SYMATTR Value 15µ SYMATTR SpiceLine Rser=5m Rpar=10K SYMATTR Type ind SYMBOL schottky -960 -48 R0 SYMATTR InstName D2 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky -768 176 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky -992 240 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D4 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL res -960 -80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 10 SYMBOL res -816 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 10 SYMBOL schottky -1008 256 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D5 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode TEXT -1208 -168 Bottom 2 !K2 L3 L4 L5 1. TEXT -944 736 Left 2 !.tran 10m startup TEXT -1824 64 Bottom 2 !K1 L1 L2 1 LINE Normal -1216 272 -1216 -160 2