Version 4
SHEET 1 1172 680
WIRE -96 -96 -176 -96
WIRE 240 -96 -96 -96
WIRE 320 -96 240 -96
WIRE 560 -96 400 -96
WIRE 576 -96 560 -96
WIRE 672 -96 640 -96
WIRE 752 -96 672 -96
WIRE 848 -96 816 -96
WIRE 912 -96 848 -96
WIRE 992 -96 912 -96
WIRE 1072 -96 992 -96
WIRE -176 -80 -176 -96
WIRE 672 -80 672 -96
WIRE 912 -80 912 -96
WIRE 992 -80 992 -96
WIRE 1072 -80 1072 -96
WIRE -96 -64 -96 -96
WIRE 416 -48 0 -48
WIRE 240 -32 240 -96
WIRE -176 16 -176 0
WIRE 672 16 672 0
WIRE 912 16 912 -16
WIRE 992 16 992 -16
WIRE 1072 16 1072 0
WIRE -96 32 -96 16
WIRE 80 32 -96 32
WIRE 416 32 416 -48
WIRE 416 32 400 32
WIRE 432 32 416 32
WIRE 512 32 496 32
WIRE -96 48 -96 32
WIRE 0 48 0 -48
WIRE 80 128 0 128
WIRE 848 128 848 -96
WIRE 848 128 400 128
WIRE -96 144 -96 128
WIRE 560 144 560 -96
WIRE 0 224 -32 224
WIRE 80 224 64 224
WIRE 512 224 400 224
WIRE 560 256 560 240
WIRE 560 256 432 256
WIRE 560 272 560 256
WIRE 848 288 848 128
WIRE -16 320 -32 320
WIRE 80 320 64 320
WIRE 432 320 432 256
WIRE 432 320 400 320
WIRE 560 368 560 352
WIRE -16 416 -32 416
WIRE 80 416 48 416
WIRE 848 416 848 368
WIRE 848 416 400 416
WIRE 848 432 848 416
WIRE 240 496 240 480
WIRE 848 528 848 512
FLAG 240 496 0
FLAG -32 416 0
FLAG -32 320 0
FLAG -32 224 0
FLAG 512 32 0
FLAG -176 16 0
FLAG -96 144 0
FLAG -176 -96 IN
FLAG 560 368 0
FLAG 672 16 0
FLAG 848 528 0
FLAG 912 16 0
FLAG 992 16 0
FLAG 1072 16 0
FLAG 1072 -96 OUT
SYMBOL PowerProducts\\LT3759 240 224 R0
SYMATTR InstName U1
SYMBOL cap 48 400 R90
WINDOW 39 53 32 VTop 2
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR SpiceLine Rser=7.5K
SYMATTR InstName C1
SYMATTR Value 22n
SYMBOL res 80 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 41.2K
SYMBOL cap 64 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .05µ
SYMBOL voltage -176 -96 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 432 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 4.7µ
SYMBOL res -112 -80 R0
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL res -112 32 R0
SYMATTR InstName R3
SYMATTR Value 118K
SYMBOL res -16 32 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL ind2 416 -80 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 15µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=50m
SYMBOL ind2 656 -96 R0
SYMATTR InstName L2
SYMATTR Value 15µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=50m
SYMBOL nmos 512 144 R0
WINDOW 0 56 5 Left 2
WINDOW 3 60 79 Left 2
SYMATTR InstName Q1
SYMATTR Value IPB081N06L3
SYMBOL res 544 256 R0
SYMATTR InstName R5
SYMATTR Value 5m
SYMBOL cap 576 -80 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 4.7µ
SYMBOL schottky 752 -80 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS360
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 832 272 R0
SYMATTR InstName R6
SYMATTR Value 105K
SYMBOL res 832 416 R0
SYMATTR InstName R7
SYMATTR Value 15.8K
SYMBOL polcap 896 -80 R0
WINDOW 3 25 53 Left 2
WINDOW 123 26 78 Left 2
SYMATTR Value 47µ
SYMATTR Value2 x4
SYMATTR InstName C5
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=20 Irms=0 Rser=0.15 Lser=0 mfg="KEMET" pn="T495X476M020AS" type="Tantalum"
SYMBOL cap 976 -80 R0
SYMATTR InstName C6
SYMATTR Value 10µ
SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R"
SYMBOL res 1056 -96 R0
SYMATTR InstName Rload
SYMATTR Value 12
TEXT 496 -104 Bottom 2 !K1 L1 L2 1
TEXT 912 200 Left 2 !.tran 4m startup