Version 4 SHEET 1 3496 2224 WIRE 1856 1264 1728 1264 WIRE 2144 1264 1856 1264 WIRE 2512 1264 2144 1264 WIRE 2640 1264 2560 1264 WIRE 2752 1264 2704 1264 WIRE 2144 1296 2144 1264 WIRE 2512 1296 2512 1264 WIRE 2560 1296 2560 1264 WIRE 2752 1296 2752 1264 WIRE 1856 1344 1856 1264 WIRE 2016 1344 1856 1344 WIRE 2304 1344 2272 1344 WIRE 2416 1344 2384 1344 WIRE 2752 1376 2752 1360 WIRE 2560 1392 2560 1376 WIRE 1728 1424 1728 1264 WIRE 1824 1424 1728 1424 WIRE 2016 1424 1904 1424 WIRE 2304 1424 2272 1424 WIRE 2416 1424 2416 1344 WIRE 2416 1424 2384 1424 WIRE 2512 1424 2512 1376 WIRE 2512 1424 2416 1424 WIRE 1728 1504 1728 1424 WIRE 2016 1504 1728 1504 WIRE 2464 1504 2272 1504 WIRE 1728 1520 1728 1504 WIRE 1872 1584 1840 1584 WIRE 1984 1584 1952 1584 WIRE 2016 1584 1984 1584 WIRE 2512 1584 2512 1520 WIRE 2512 1584 2272 1584 WIRE 2512 1600 2512 1584 WIRE 1728 1616 1728 1600 WIRE 2144 1664 2144 1632 WIRE 1840 1680 1840 1584 WIRE 1872 1680 1840 1680 WIRE 1984 1680 1984 1584 WIRE 1984 1680 1936 1680 WIRE 1840 1696 1840 1680 WIRE 2512 1696 2512 1680 WIRE 2032 2000 1952 2000 WIRE 2176 2000 2032 2000 WIRE 2304 2000 2224 2000 WIRE 1952 2032 1952 2000 WIRE 2176 2032 2176 2000 WIRE 2224 2032 2224 2000 WIRE 2304 2032 2304 2000 WIRE 1952 2144 1952 2112 WIRE 2176 2144 2176 2112 WIRE 2176 2144 1952 2144 WIRE 2224 2144 2224 2112 WIRE 2304 2144 2304 2112 WIRE 2304 2144 2224 2144 WIRE 1952 2160 1952 2144 WIRE 2224 2160 2224 2144 FLAG 2752 1376 0 FLAG 2144 1664 0 FLAG 1728 1616 0 FLAG 2560 1392 0 FLAG 2512 1696 0 FLAG 1728 1264 IN FLAG 2752 1264 OUT FLAG 1840 1696 0 FLAG 2224 2160 0 FLAG 1952 2160 0 FLAG 2032 2000 Zleak SYMBOL ind2 2496 1280 R0 WINDOW 0 -6 35 Right 0 WINDOW 3 -4 73 Right 0 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=.02 Rpar=20k Cpar=10p SYMBOL ind2 2576 1392 R180 WINDOW 0 -3 72 Right 0 WINDOW 3 0 43 Right 0 SYMATTR InstName L2 SYMATTR Value 1m SYMATTR SpiceLine Rser=1.75 Rpar=1Meg Cpar=128p SYMBOL cap 2736 1296 R0 WINDOW 3 27 55 Left 0 SYMATTR Value 1µ SYMATTR InstName C1 SYMBOL diode 2640 1280 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value MUR460 SYMBOL res 1920 1408 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 100K SYMBOL VOLTAGE 1728 1504 R0 SYMATTR InstName V1 SYMATTR Value 8 SYMBOL PowerProducts\\LT3750 2144 1456 R0 SYMATTR InstName U1 SYMBOL nmos 2464 1424 R0 SYMATTR InstName Q1 SYMATTR Value Si4480DY SYMBOL res 2400 1328 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 60.4K SYMBOL res 2400 1408 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 43K SYMBOL res 2496 1584 R0 SYMATTR InstName R5 SYMATTR Value 12m SYMBOL res 1968 1568 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 2.5K SYMBOL cap 1936 1664 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL ind2 2160 2016 R0 WINDOW 0 -6 35 Right 0 WINDOW 3 -4 73 Right 0 SYMATTR InstName L3 SYMATTR Value 10µ SYMATTR SpiceLine Rser=.02 Rpar=10k Cpar=10p SYMBOL ind2 2240 2128 R180 WINDOW 0 -3 72 Right 0 WINDOW 3 0 43 Right 0 SYMATTR InstName L4 SYMATTR Value 1m SYMATTR SpiceLine Rser=1.75 Rpar=1Meg Cpar=128p SYMBOL current 1952 2112 M180 WINDOW 0 40 52 Left 0 WINDOW 3 41 26 Left 0 WINDOW 123 39 -1 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 0 SYMATTR Value2 AC 1 SYMBOL res 2288 2016 R0 SYMATTR InstName R2 SYMATTR Value 1m TEXT 1728 1144 Left 0 !.tran 10m startup TEXT 2448 1232 Left 0 !K1 L1 L2 0.9875 TEXT 2136 1080 Left 0 ;Coilcraft DA2034-AL \nhttp://www.coilcraft.com/pdfs/da2032.pdf\nhttp://www.coilcraft.com/da2032.cfm\nLprim=10.0uH, 9.0uh@10A, Rprim=0.018Ohm, Rsec=1.75Ohm,\nLleak=0.25uH, turns 1:10, Csec=128pF TEXT 2112 1968 Left 0 !K2 L3 L4 0.9875 TEXT 1944 1872 Left 0 ;.ac dec 100 10k 1e6 TEXT 1944 1904 Left 0 ;Lleak = 0.25uH = V(Zleak)/(2*pi*100k) @100kHz TEXT 1728 1080 Left 0 ;Capacitor Charger Controller