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-1120 400 IN SYMBOL NMOS -800 496 M0 WINDOW 0 37 -15 Right 2 WINDOW 3 33 110 Right 2 SYMATTR InstName Q1 SYMATTR Value FDS6680A SYMBOL nmos -800 784 M0 WINDOW 0 -3 25 Right 2 WINDOW 3 26 104 Right 2 SYMATTR InstName Q2 SYMATTR Value FDS6680A SYMBOL cap -736 656 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL schottky -720 480 R0 SYMATTR InstName D1 SYMATTR Value 1N5817 SYMBOL cap -592 448 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL schottky -1024 864 M180 WINDOW 0 24 72 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value 1N5817 SYMBOL ind -1040 784 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 6.3µ SYMATTR SpiceLine Rpar=10000 SYMBOL cap -736 976 R0 SYMATTR InstName C3 SYMATTR Value 1000p SYMBOL res -896 1152 R0 SYMATTR InstName R1 SYMATTR Value 20K SYMBOL res -944 1136 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 105K SYMBOL cap -1184 1168 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMATTR SpiceLine Rser=15m SYMBOL cap -512 1232 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 220p SYMBOL cap -544 1328 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value .002µ SYMBOL res -576 1232 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 15K SYMBOL VOLTAGE -1120 400 R0 SYMATTR InstName V1 SYMATTR Value 7 SYMBOL nmos 144 496 R0 SYMATTR InstName Q3 SYMATTR Value FDS6680A SYMBOL nmos 144 784 R0 SYMATTR InstName Q4 SYMATTR Value FDS6680A SYMBOL cap 80 656 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value .1µ SYMBOL schottky 16 480 R0 SYMATTR InstName D3 SYMATTR Value 1N5817 SYMBOL schottky 336 864 M180 WINDOW 0 24 72 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D4 SYMATTR Value 1N5817 SYMBOL res 512 944 R0 SYMATTR InstName R4 SYMATTR Value .01 SYMBOL cap 80 976 R0 SYMATTR InstName C8 SYMATTR Value 1000p SYMBOL res 256 1152 R0 SYMATTR InstName R5 SYMATTR Value 20K SYMBOL res 368 1136 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 63.4K SYMBOL cap 512 1168 R0 SYMATTR InstName C9 SYMATTR Value 47µ SYMATTR SpiceLine Rser=15m SYMBOL cap 0 1264 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C10 SYMATTR Value 220p SYMBOL cap 48 1360 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C11 SYMATTR Value .002µ SYMBOL res 80 1264 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 15K SYMBOL ind 384 784 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 6.3µ SYMATTR SpiceLine Rpar=10000 SYMBOL res -1184 944 R0 SYMATTR InstName R8 SYMATTR Value .01 SYMBOL RES -1360 640 R0 SYMATTR InstName R9 SYMATTR Value 10K SYMBOL PowerProducts\\LTC1628-SYNC -240 960 R0 SYMATTR InstName U1 SYMBOL voltage -240 1648 R0 SYMATTR InstName V2 SYMATTR Value SIN(1 1 160K) SYMBOL res 0 1568 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R10 SYMATTR Value 10K SYMBOL cap 112 1568 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C12 SYMATTR Value 500p SYMBOL RES -1312 1152 R0 SYMATTR InstName Rload1 SYMATTR Value 10 SYMBOL RES 608 1152 R0 SYMATTR InstName Rload2 SYMATTR Value 5 TEXT 352 1368 Left 2 !.tran 3.5m startup