Version 4
SHEET 1 1244 820
WIRE -288 288 -288 272
WIRE -288 688 -288 288
WIRE -224 208 -288 208
WIRE -144 128 -160 128
WIRE -144 368 -160 368
WIRE -144 528 -160 528
WIRE -112 208 -144 208
WIRE -112 288 -288 288
WIRE -112 288 -112 272
WIRE -64 48 -64 0
WIRE -32 48 -64 48
WIRE -32 128 -64 128
WIRE -32 208 -112 208
WIRE -32 288 -112 288
WIRE -32 368 -64 368
WIRE -32 448 -64 448
WIRE -32 528 -80 528
WIRE -32 608 -64 608
WIRE 320 128 288 128
WIRE 320 224 320 128
WIRE 320 288 288 288
WIRE 320 608 288 608
WIRE 336 128 320 128
WIRE 416 0 -64 0
WIRE 416 128 400 128
WIRE 416 128 416 0
WIRE 416 368 288 368
WIRE 416 368 416 128
WIRE 416 448 288 448
WIRE 416 448 416 368
WIRE 416 560 416 448
WIRE 416 656 416 640
WIRE 464 208 288 208
WIRE 464 528 288 528
WIRE 512 48 288 48
WIRE 512 128 512 48
WIRE 512 288 320 288
WIRE 512 288 512 224
WIRE 512 400 512 288
WIRE 512 448 512 400
WIRE 512 560 512 544
WIRE 544 288 512 288
WIRE 544 400 512 400
WIRE 624 400 608 400
WIRE 672 288 624 288
WIRE 672 304 672 288
WIRE 672 416 672 384
WIRE 672 496 672 480
WIRE 672 688 -288 688
WIRE 672 688 672 496
WIRE 688 48 512 48
WIRE 688 80 688 48
WIRE 688 192 688 160
WIRE 768 288 672 288
WIRE 768 352 768 288
WIRE 768 496 672 496
WIRE 768 496 768 432
WIRE 768 528 768 496
WIRE 768 624 768 608
WIRE 864 288 768 288
WIRE 864 352 864 288
WIRE 864 496 864 416
WIRE 1008 288 864 288
WIRE 1008 352 1008 288
WIRE 1008 496 1008 432
FLAG 688 192 0
FLAG 512 560 0
FLAG 320 608 0
FLAG -64 608 0
FLAG 416 656 0
FLAG 864 496 0
FLAG 1008 496 0
FLAG -160 368 0
FLAG -160 128 0
FLAG -160 528 0
FLAG 624 400 0
FLAG 768 624 0
FLAG 1008 288 OUT
FLAG -64 448 0
SYMBOL PowerProducts\\LTC3703 128 336 R0
SYMATTR InstName U1
SYMBOL nmos 464 128 R0
SYMATTR InstName M1
SYMATTR Value FDS6680A
SYMBOL nmos 464 448 R0
SYMATTR InstName M2
SYMATTR Value FDS6680A
SYMBOL voltage 416 544 R0
WINDOW 0 29 24 Left 0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage 688 64 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL ind 528 304 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 10ľ
SYMBOL cap 848 352 R0
WINDOW 3 39 33 Left 0
WINDOW 123 28 60 Left 0
WINDOW 39 27 87 Left 0
SYMATTR Value 270ľ
SYMATTR Value2 x2
SYMATTR SpiceLine Rser=10m
SYMATTR InstName C1
SYMBOL res 992 336 R0
SYMATTR InstName R1
SYMATTR Value 2.4
SYMBOL res -48 352 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res -48 112 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 25K
SYMBOL res -128 192 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL cap -304 208 R0
WINDOW 0 30 21 Left 0
WINDOW 3 28 56 Left 0
SYMATTR InstName C3
SYMATTR Value 2200p
SYMBOL res 752 336 R0
SYMATTR InstName R5
SYMATTR Value 113K
SYMBOL res 656 288 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL cap 656 416 R0
WINDOW 0 29 12 Left 0
WINDOW 3 28 56 Left 0
SYMATTR InstName C4
SYMATTR Value 2200p
SYMBOL cap -80 512 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C5
SYMATTR Value .001ľ
SYMBOL cap 304 224 R0
WINDOW 0 30 5 Left 0
WINDOW 3 37 44 Left 0
SYMATTR InstName C6
SYMATTR Value .1ľ
SYMBOL schottky 608 416 M270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 752 512 R0
SYMATTR InstName R7
SYMATTR Value 8.06K
SYMBOL cap -128 208 R0
WINDOW 0 35 21 Left 0
WINDOW 3 28 56 Left 0
SYMATTR InstName C2
SYMATTR Value 1000p
SYMBOL schottky 400 144 M270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
TEXT 840 664 Left 0 !.tran 2m startup
TEXT 848 624 Left 0 !.option trtol=6