Version 4
SHEET 1 1372 864
WIRE 1088 -400 -592 -400
WIRE -224 -384 -320 -384
WIRE 32 -384 -224 -384
WIRE 128 -384 32 -384
WIRE 224 -384 128 -384
WIRE 656 -384 224 -384
WIRE -320 -368 -320 -384
WIRE 992 -368 416 -368
WIRE 32 -336 32 -384
WIRE 128 -336 128 -384
WIRE 224 -336 224 -384
WIRE 416 -336 416 -368
WIRE -224 -272 -224 -384
WIRE -192 -272 -224 -272
WIRE -96 -272 -112 -272
WIRE 560 -272 544 -272
WIRE 656 -272 656 -384
WIRE 656 -272 640 -272
WIRE 656 -256 656 -272
WIRE -608 -192 -768 -192
WIRE -496 -192 -608 -192
WIRE -368 -192 -496 -192
WIRE 992 -192 992 -368
WIRE 992 -192 800 -192
WIRE 1104 -192 992 -192
WIRE 1184 -192 1104 -192
WIRE -768 -176 -768 -192
WIRE -224 -176 -224 -272
WIRE 1184 -176 1184 -192
WIRE -496 -160 -496 -192
WIRE -368 -160 -368 -192
WIRE 800 -160 800 -192
WIRE 992 -160 992 -192
WIRE -768 -80 -768 -96
WIRE -496 -80 -496 -96
WIRE -96 -80 -320 -80
WIRE 752 -80 544 -80
WIRE 992 -80 992 -96
WIRE 1184 -80 1184 -96
WIRE -224 16 -224 -112
WIRE -96 16 -224 16
WIRE 656 16 656 -192
WIRE 656 16 544 16
WIRE -224 32 -224 16
WIRE 656 32 656 16
WIRE -592 112 -592 -400
WIRE -592 112 -800 112
WIRE -576 112 -592 112
WIRE -480 112 -496 112
WIRE -464 112 -480 112
WIRE -368 112 -368 -64
WIRE -368 112 -384 112
WIRE -224 112 -224 96
WIRE -224 112 -368 112
WIRE -96 112 -224 112
WIRE 656 112 656 96
WIRE 656 112 544 112
WIRE 800 112 800 -64
WIRE 800 112 656 112
WIRE 864 112 800 112
WIRE 976 112 944 112
WIRE 992 112 976 112
WIRE 1088 112 1088 -400
WIRE 1088 112 1072 112
WIRE -800 128 -800 112
WIRE -368 128 -368 112
WIRE 800 128 800 112
WIRE -96 208 -320 208
WIRE 752 208 544 208
WIRE -800 224 -800 208
WIRE 800 240 800 224
WIRE -368 256 -368 224
WIRE -592 304 -592 112
WIRE -96 304 -592 304
WIRE 1088 304 1088 112
WIRE 1088 304 544 304
WIRE -608 384 -608 -192
WIRE 1104 384 1104 -192
WIRE -480 400 -480 112
WIRE -96 400 -480 400
WIRE 976 400 976 112
WIRE 976 400 544 400
WIRE -608 496 -608 464
WIRE -96 496 -608 496
WIRE 1104 496 1104 464
WIRE 1104 496 544 496
WIRE -608 512 -608 496
WIRE 1104 512 1104 496
WIRE -384 592 -416 592
WIRE -96 592 -320 592
WIRE 736 592 544 592
WIRE 832 592 800 592
WIRE -608 608 -608 592
WIRE 1104 608 1104 592
WIRE -176 688 -192 688
WIRE -96 688 -112 688
WIRE 560 688 544 688
WIRE 640 688 624 688
WIRE 32 768 32 752
WIRE 128 768 128 752
WIRE 320 768 320 752
FLAG -320 -304 0
FLAG -800 224 0
FLAG -368 256 0
FLAG -496 -80 0
FLAG -768 -80 0
FLAG -768 -192 OUT1
FLAG -800 112 IN
FLAG -608 608 0
FLAG -192 688 0
FLAG 32 768 0
FLAG 320 768 0
FLAG 128 768 0
FLAG -416 592 0
FLAG 800 240 0
FLAG 992 -80 0
FLAG 1184 -80 0
FLAG 1184 -192 OUT2
FLAG 1104 608 0
FLAG 640 688 0
FLAG 832 592 0
SYMBOL PowerProducts\\LTC3788 224 208 R0
SYMATTR InstName U1
SYMBOL cap -336 -368 R0
WINDOW 3 30 56 Left 2
SYMATTR Value 4.7µ
SYMATTR InstName C1
SYMBOL res -96 -256 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res 656 -288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL voltage -800 112 R0
SYMATTR InstName V1
SYMATTR Value 7
SYMBOL res -592 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 4m
SYMBOL ind -480 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.3µ
SYMATTR SpiceLine Rser=2m
SYMBOL nmos -320 -160 M0
WINDOW 0 12 -5 Right 2
WINDOW 3 41 111 Right 2
SYMATTR InstName Q1
SYMATTR Value Si4840DY
SYMBOL nmos -320 128 M0
WINDOW 0 -5 21 Right 2
WINDOW 3 24 105 Right 2
SYMATTR InstName Q2
SYMATTR Value Si4840DY
SYMBOL cap -240 32 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL schottky -240 -176 R0
WINDOW 3 24 73 Left 2
SYMATTR Value MBR0540
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -512 -160 R0
SYMATTR InstName C3
SYMATTR Value 300µ
SYMATTR SpiceLine Rser=5m
SYMBOL res -624 496 R0
SYMATTR InstName R4
SYMATTR Value 12.1K
SYMBOL res -624 368 R0
SYMATTR InstName R5
SYMATTR Value 232K
SYMBOL cap -112 672 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .005µ
SYMBOL cap -320 576 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 62 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 15n
SYMATTR SpiceLine Rser=8.66K Cpar=100p
SYMBOL res 1088 128 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 3m
SYMBOL ind 960 128 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1.25µ
SYMATTR SpiceLine Rser=2m
SYMBOL nmos 752 -160 R0
WINDOW 0 56 21 Left 2
WINDOW 3 54 125 Left 2
SYMATTR InstName Q3
SYMATTR Value Si4840DY
SYMBOL nmos 752 128 R0
WINDOW 0 57 40 Left 2
WINDOW 3 63 102 Left 2
SYMATTR InstName Q4
SYMATTR Value Si4840DY
SYMBOL cap 640 32 R0
SYMATTR InstName C6
SYMATTR Value .1µ
SYMBOL cap 976 -160 R0
SYMATTR InstName C7
SYMATTR Value 300µ
SYMATTR SpiceLine Rser=5m
SYMBOL res 1088 496 R0
SYMATTR InstName R7
SYMATTR Value 12.1K
SYMBOL res 1088 368 R0
SYMATTR InstName R8
SYMATTR Value 110K
SYMBOL cap 560 704 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C8
SYMATTR Value .005µ
SYMBOL cap 736 576 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 30 VTop 2
SYMATTR InstName C9
SYMATTR Value 15n
SYMATTR SpiceLine Rser=2.7K Cpar=100p
SYMBOL schottky 640 -256 R0
WINDOW 3 23 69 Left 2
SYMATTR Value MBR0540
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -784 -192 R0
SYMATTR InstName Rload1
SYMATTR Value 8
SYMBOL res 1168 -192 R0
SYMATTR InstName Rload2
SYMATTR Value 1.2
TEXT 1000 712 Left 2 !.tran 2m startup