Version 4
SHEET 1 2760 708
WIRE 992 -416 768 -416
WIRE 1968 -416 992 -416
WIRE 2048 -416 1968 -416
WIRE 768 -400 768 -416
WIRE 1440 -400 1312 -400
WIRE 1552 -400 1440 -400
WIRE 1760 -400 1552 -400
WIRE 1440 -384 1440 -400
WIRE 1552 -384 1552 -400
WIRE 1760 -384 1760 -400
WIRE 2048 -336 2048 -416
WIRE 992 -320 992 -416
WIRE 1152 -320 1152 -336
WIRE 1312 -320 1312 -400
WIRE 768 -304 768 -320
WIRE 1440 -304 1440 -320
WIRE 896 -256 880 -256
WIRE 2000 -256 1408 -256
WIRE 896 -192 880 -192
WIRE 1552 -192 1552 -320
WIRE 1552 -192 1408 -192
WIRE 2048 -192 2048 -240
WIRE 2048 -192 1824 -192
WIRE 2128 -192 2048 -192
WIRE 2240 -192 2128 -192
WIRE 2368 -192 2320 -192
WIRE 2384 -192 2368 -192
WIRE 2480 -192 2464 -192
WIRE 2544 -192 2480 -192
WIRE 2128 -176 2128 -192
WIRE 2048 -144 2048 -192
WIRE 896 -128 880 -128
WIRE 1552 -128 1408 -128
WIRE 1824 -128 1824 -192
WIRE 1824 -128 1552 -128
WIRE 2128 -96 2128 -112
WIRE 896 -64 880 -64
WIRE 2000 -64 1408 -64
WIRE 2048 -32 2048 -48
WIRE 2544 -32 2544 -192
WIRE 2608 -32 2544 -32
WIRE 2608 -16 2608 -32
WIRE 2368 0 2368 -192
WIRE 2368 0 1408 0
WIRE 800 64 752 64
WIRE 896 64 864 64
WIRE 2480 64 2480 -192
WIRE 2480 64 1408 64
WIRE 2608 80 2608 64
WIRE 1968 112 1968 -416
WIRE 704 192 688 192
WIRE 800 192 784 192
WIRE 896 192 864 192
WIRE 1920 192 1408 192
WIRE 896 256 880 256
WIRE 1760 256 1760 -320
WIRE 1760 256 1408 256
WIRE 1968 256 1968 208
WIRE 1968 256 1888 256
WIRE 2048 256 1968 256
WIRE 2160 256 2048 256
WIRE 2304 256 2240 256
WIRE 2320 256 2304 256
WIRE 2416 256 2400 256
WIRE 2544 256 2544 -32
WIRE 2544 256 2416 256
WIRE 2048 272 2048 256
WIRE 2544 288 2544 256
WIRE 2544 288 2480 288
WIRE 1968 304 1968 256
WIRE 2544 304 2544 288
WIRE 784 320 688 320
WIRE 896 320 864 320
WIRE 1760 320 1408 320
WIRE 1888 320 1888 256
WIRE 1888 320 1760 320
WIRE 2048 352 2048 336
WIRE 688 384 688 320
WIRE 896 384 688 384
WIRE 1920 384 1408 384
WIRE 2544 384 2544 368
WIRE 2544 384 2512 384
WIRE 688 400 688 384
WIRE 1968 416 1968 400
WIRE 2544 416 2544 384
WIRE 896 448 816 448
WIRE 2304 448 2304 256
WIRE 2304 448 1408 448
WIRE 688 496 688 480
WIRE 896 512 848 512
WIRE 2416 512 2416 256
WIRE 2416 512 1408 512
WIRE 1040 592 1040 576
WIRE 1264 592 1264 576
WIRE 848 624 848 512
WIRE 2480 624 2480 288
WIRE 2480 624 848 624
WIRE 816 640 816 448
WIRE 2512 640 2512 384
WIRE 2512 640 816 640
FLAG 2048 -32 0
FLAG 2128 -96 0
FLAG 1968 416 0
FLAG 2048 352 0
FLAG 1264 592 0
FLAG 1040 592 0
FLAG 2544 416 0
FLAG 688 496 0
FLAG 688 192 0
FLAG 752 64 0
FLAG 768 -304 0
FLAG 2608 80 0
FLAG 1440 -304 0
FLAG 2608 -32 OUT
FLAG 880 256 0
FLAG 768 -416 IN
SYMBOL NMOS 2000 -336 R0
SYMATTR InstName Q1
SYMATTR Value IRF7811
SYMBOL polcap 1536 -192 R0
WINDOW 3 31 43 Left 2
SYMATTR Value .47µ
SYMATTR InstName C1
SYMBOL nmos 2000 -144 R0
WINDOW 0 56 4 Left 2
WINDOW 3 60 88 Left 2
SYMATTR InstName Q2
SYMATTR Value IRF7809A
SYMBOL schottky 1536 -384 R0
SYMATTR InstName D1
SYMATTR Value MBR0520L
SYMBOL ind 2224 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1µ
SYMBOL RES 2368 -208 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value .003
SYMBOL schottky 2112 -112 M180
WINDOW 0 38 58 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MBRS130L
SYMBOL polcap 1744 256 R0
WINDOW 3 28 45 Left 2
SYMATTR Value .47µ
SYMATTR InstName C2
SYMBOL ind 2144 272 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1µ
SYMBOL polcap 2528 304 R0
WINDOW 40 30 55 Left 2
WINDOW 3 38 34 Left 2
SYMATTR SpiceLine2 x2
SYMATTR InstName C3
SYMATTR Value 1000µ
SYMATTR SpiceLine Rser=10m
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 cap 864 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL res 800 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 3.3K
SYMBOL cap 864 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 250p
SYMBOL VOLTAGE 768 -416 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL RES 2304 240 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value .003
SYMBOL polcap 1424 -384 R0
SYMATTR InstName C6
SYMATTR Value 1µ
SYMBOL NMOS 1920 112 R0
SYMATTR InstName Q3
SYMATTR Value IRF7811
SYMBOL nmos 1920 304 R0
WINDOW 0 56 4 Left 2
WINDOW 3 60 88 Left 2
SYMATTR InstName Q4
SYMATTR Value IRF7809A
SYMBOL schottky 2032 336 M180
WINDOW 0 37 58 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MBRS130L
SYMBOL schottky 1744 -384 R0
SYMATTR InstName D4
SYMATTR Value MBR0520L
SYMBOL PowerProducts\\LTC1629-6 1152 128 R0
SYMATTR InstName U1
SYMBOL res 2592 -32 R0
SYMATTR InstName Rload
SYMATTR Value .1
TEXT 1968 568 Left 2 !.tran 1m startup