Version 4
SHEET 1 2728 708
WIRE 992 -400 736 -400
WIRE 1840 -400 992 -400
WIRE 1920 -400 1840 -400
WIRE 736 -384 736 -400
WIRE 1440 -384 1312 -384
WIRE 1552 -384 1440 -384
WIRE 1696 -384 1552 -384
WIRE 1440 -368 1440 -384
WIRE 1552 -368 1552 -384
WIRE 1696 -368 1696 -384
WIRE 1920 -336 1920 -400
WIRE 992 -320 992 -400
WIRE 1152 -320 1152 -352
WIRE 1312 -320 1312 -384
WIRE 736 -288 736 -304
WIRE 1440 -288 1440 -304
WIRE 896 -256 864 -256
WIRE 1872 -256 1408 -256
WIRE 896 -192 864 -192
WIRE 1552 -192 1552 -304
WIRE 1552 -192 1408 -192
WIRE 1920 -192 1920 -240
WIRE 1920 -192 1776 -192
WIRE 2000 -192 1920 -192
WIRE 2096 -192 2000 -192
WIRE 2224 -192 2176 -192
WIRE 2240 -192 2224 -192
WIRE 2336 -192 2320 -192
WIRE 2400 -192 2336 -192
WIRE 2000 -176 2000 -192
WIRE 1920 -144 1920 -192
WIRE 896 -128 864 -128
WIRE 1552 -128 1408 -128
WIRE 1776 -128 1776 -192
WIRE 1776 -128 1552 -128
WIRE 2000 -96 2000 -112
WIRE 896 -64 864 -64
WIRE 1872 -64 1408 -64
WIRE 1920 -32 1920 -48
WIRE 2400 -16 2400 -192
WIRE 2464 -16 2400 -16
WIRE 2224 0 2224 -192
WIRE 2224 0 1408 0
WIRE 2464 0 2464 -16
WIRE 800 64 768 64
WIRE 896 64 864 64
WIRE 2336 64 2336 -192
WIRE 2336 64 1408 64
WIRE 2464 96 2464 80
WIRE 1840 112 1840 -400
WIRE 656 192 624 192
WIRE 800 192 736 192
WIRE 896 192 864 192
WIRE 1792 192 1408 192
WIRE 720 256 640 256
WIRE 896 256 800 256
WIRE 1696 256 1696 -304
WIRE 1696 256 1408 256
WIRE 1840 256 1840 208
WIRE 1840 256 1776 256
WIRE 1920 256 1840 256
WIRE 2048 256 1920 256
WIRE 2160 256 2128 256
WIRE 2176 256 2160 256
WIRE 2272 256 2256 256
WIRE 2304 256 2272 256
WIRE 2400 256 2400 -16
WIRE 2400 256 2304 256
WIRE 1920 272 1920 256
WIRE 2400 288 2400 256
WIRE 2400 288 2336 288
WIRE 1840 304 1840 256
WIRE 2400 304 2400 288
WIRE 784 320 688 320
WIRE 896 320 864 320
WIRE 1696 320 1408 320
WIRE 1776 320 1776 256
WIRE 1776 320 1696 320
WIRE 1920 352 1920 336
WIRE 688 384 688 320
WIRE 896 384 688 384
WIRE 1792 384 1408 384
WIRE 2400 384 2400 368
WIRE 2400 384 2368 384
WIRE 688 400 688 384
WIRE 2400 400 2400 384
WIRE 1840 416 1840 400
WIRE 896 448 816 448
WIRE 2160 448 2160 256
WIRE 2160 448 1408 448
WIRE 688 496 688 480
WIRE 896 512 848 512
WIRE 2272 512 2272 256
WIRE 2272 512 1408 512
WIRE 1040 592 1040 576
WIRE 1264 592 1264 576
WIRE 848 640 848 512
WIRE 2336 640 2336 288
WIRE 2336 640 848 640
WIRE 816 656 816 448
WIRE 2368 656 2368 384
WIRE 2368 656 816 656
WIRE 640 672 640 256
WIRE 2304 672 2304 256
WIRE 2304 672 640 672
FLAG 1920 -32 0
FLAG 2000 -96 0
FLAG 1840 416 0
FLAG 1920 352 0
FLAG 1264 592 0
FLAG 1040 592 0
FLAG 2400 400 0
FLAG 688 496 0
FLAG 624 192 0
FLAG 768 64 0
FLAG 736 -288 0
FLAG 2464 96 0
FLAG 1440 -288 0
FLAG 2464 -16 OUT
FLAG 736 -400 IN
SYMBOL NMOS 1872 -336 R0
SYMATTR InstName Q1
SYMATTR Value IRF7811
SYMBOL polcap 1536 -192 R0
WINDOW 3 31 47 Left 2
SYMATTR Value .47µ
SYMATTR InstName C1
SYMBOL nmos 1872 -144 R0
WINDOW 0 56 4 Left 2
WINDOW 3 60 88 Left 2
SYMATTR InstName Q2
SYMATTR Value IRF7809A
SYMBOL schottky 1536 -368 R0
SYMATTR InstName D1
SYMATTR Value MBR0520L
SYMBOL ind 2080 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1µ
SYMBOL RES 2224 -208 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value .003
SYMBOL nmos 1792 112 R0
SYMATTR InstName Q3
SYMATTR Value IRF7811
SYMBOL polcap 1680 256 R0
WINDOW 3 29 45 Left 2
SYMATTR Value .47µ
SYMATTR InstName C2
SYMBOL nmos 1792 304 R0
WINDOW 0 56 4 Left 2
WINDOW 3 60 88 Left 2
SYMATTR InstName Q4
SYMATTR Value IRF7809A
SYMBOL ind 2032 272 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1µ
SYMBOL res 672 384 R0
SYMATTR InstName R2
SYMATTR Value 16K
SYMBOL RES 880 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 16K
SYMBOL res 704 272 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 3.3K
SYMBOL cap 864 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL res 752 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5K
SYMBOL cap 864 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 250p
SYMBOL schottky 1680 -368 R0
SYMATTR InstName D2
SYMATTR Value MBR0520L
SYMBOL VOLTAGE 736 -400 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL RES 2160 240 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value .003
SYMBOL polcap 1424 -368 R0
SYMATTR InstName C5
SYMATTR Value 1µ
SYMBOL POWERPRODUCTS\\LTC3729 1152 128 R0
SYMATTR InstName U1
SYMBOL polcap 2384 304 R0
WINDOW 40 29 64 Left 2
WINDOW 3 36 33 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 1000µ
SYMATTR InstName C7
SYMATTR SpiceLine Rser=10m
SYMBOL schottky 1984 -112 M180
WINDOW 0 35 58 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MBRS130L
SYMBOL schottky 1904 336 M180
WINDOW 0 39 49 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value MBRS130L
SYMBOL res 2448 -16 R0
SYMATTR InstName Rload
SYMATTR Value .2
TEXT 1840 568 Left 2 !.tran 700u startup