Version 4
SHEET 1 4444 1412
WIRE 2544 464 2416 464
WIRE 3216 464 2544 464
WIRE 3840 464 3216 464
WIRE 2416 480 2416 464
WIRE 4080 480 3376 480
WIRE 2736 496 2640 496
WIRE 2896 496 2736 496
WIRE 3536 496 2896 496
WIRE 3648 496 3536 496
WIRE 3760 496 3648 496
WIRE 2640 512 2640 496
WIRE 3760 512 3760 496
WIRE 2736 544 2736 496
WIRE 3648 544 3648 496
WIRE 2896 560 2896 496
WIRE 3056 560 3056 528
WIRE 3216 560 3216 464
WIRE 3376 560 3376 480
WIRE 3536 560 3536 496
WIRE 2416 576 2416 560
WIRE 2640 592 2640 576
WIRE 3760 592 3760 576
WIRE 2736 640 2736 608
WIRE 2816 640 2736 640
WIRE 3648 640 3648 608
WIRE 3648 640 3616 640
WIRE 2544 704 2544 464
WIRE 3840 704 3840 464
WIRE 2736 720 2592 720
WIRE 2816 720 2736 720
WIRE 3648 720 3616 720
WIRE 3792 720 3648 720
WIRE 2736 800 2736 784
WIRE 2816 800 2736 800
WIRE 3648 800 3648 784
WIRE 3648 800 3616 800
WIRE 2304 832 2288 832
WIRE 2400 832 2384 832
WIRE 2416 832 2400 832
WIRE 2544 832 2544 800
WIRE 2544 832 2496 832
WIRE 3840 832 3840 800
WIRE 3872 832 3840 832
WIRE 3968 832 3952 832
WIRE 3984 832 3968 832
WIRE 4080 832 4080 480
WIRE 4080 832 4064 832
WIRE 2400 880 2400 832
WIRE 2736 880 2400 880
WIRE 2816 880 2736 880
WIRE 3648 880 3616 880
WIRE 3968 880 3968 832
WIRE 3968 880 3648 880
WIRE 2288 960 2288 832
WIRE 2288 960 2144 960
WIRE 2736 960 2736 944
WIRE 2736 960 2288 960
WIRE 2816 960 2736 960
WIRE 3648 960 3648 944
WIRE 3648 960 3616 960
WIRE 4080 960 4080 832
WIRE 4080 960 3648 960
WIRE 4176 960 4080 960
WIRE 2144 976 2144 960
WIRE 2288 976 2288 960
WIRE 4080 976 4080 960
WIRE 4176 976 4176 960
WIRE 2544 1024 2544 832
WIRE 2544 1024 2432 1024
WIRE 3840 1024 3840 832
WIRE 3984 1024 3840 1024
WIRE 2544 1040 2544 1024
WIRE 2816 1040 2784 1040
WIRE 3648 1040 3616 1040
WIRE 3840 1040 3840 1024
WIRE 2432 1056 2432 1024
WIRE 3984 1056 3984 1024
WIRE 2144 1072 2144 1056
WIRE 2288 1072 2288 1040
WIRE 4080 1072 4080 1040
WIRE 4176 1072 4176 1056
WIRE 2816 1120 2592 1120
WIRE 3792 1120 3616 1120
WIRE 3984 1136 3984 1120
WIRE 2432 1152 2432 1120
WIRE 2544 1152 2544 1136
WIRE 3840 1152 3840 1136
WIRE 2816 1200 2736 1200
WIRE 3696 1200 3616 1200
WIRE 2736 1216 2736 1200
WIRE 3696 1216 3696 1200
WIRE 2896 1296 2896 1280
WIRE 3040 1296 3040 1280
WIRE 3168 1296 3168 1280
WIRE 3264 1296 3264 1280
WIRE 3392 1296 3392 1280
WIRE 3536 1296 3536 1280
WIRE 2736 1312 2736 1296
WIRE 3696 1312 3696 1296
WIRE 3168 1376 3168 1360
WIRE 3264 1376 3264 1360
WIRE 2736 1392 2736 1376
WIRE 3696 1392 3696 1376
FLAG 3696 1392 0
FLAG 3536 1296 0
FLAG 3392 1296 0
FLAG 3264 1376 0
FLAG 3168 1376 0
FLAG 3040 1296 0
FLAG 2896 1296 0
FLAG 2736 1392 0
FLAG 4080 1072 0
FLAG 3840 1152 0
FLAG 3984 1136 0
FLAG 2288 1072 0
FLAG 2544 1152 0
FLAG 2432 1152 0
FLAG 4176 1072 0
FLAG 2144 1072 0
FLAG 2144 960 +3.3
FLAG 4176 960 +5
FLAG 2416 576 0
FLAG 3760 592 0
FLAG 2640 592 0
FLAG 2416 464 IN
SYMBOL RES 2720 1200 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 2720 1312 R0
SYMATTR InstName C1
SYMATTR Value 3300p
SYMBOL cap 3248 1296 R0
SYMATTR InstName C2
SYMATTR Value 270p
SYMBOL cap 3152 1296 R0
SYMATTR InstName C3
SYMATTR Value 270p
SYMBOL res 3680 1200 R0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL cap 3680 1312 R0
SYMATTR InstName C4
SYMATTR Value 3300p
SYMBOL NMOS 3792 1040 R0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL ind 3856 848 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 38 5 56 VBottom 2
WINDOW 39 5 56 VBottom 2
WINDOW 40 5 56 VBottom 2
WINDOW 123 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 33µ
SYMBOL res 3968 816 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 50m
SYMBOL polcap 4064 976 R0
WINDOW 40 25 65 Left 2
WINDOW 3 34 34 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C5
SYMBOL schottky 3968 1120 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL NMOS 2592 1040 M0
WINDOW 0 28 -10 Right 2
WINDOW 3 29 99 Right 2
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL PMOS 2592 800 R180
WINDOW 0 38 99 Right 2
WINDOW 3 37 1 Right 2
SYMATTR InstName Q3
SYMATTR Value FDC638P
SYMBOL ind 2512 848 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 38 5 56 VBottom 2
WINDOW 39 5 56 VBottom 2
WINDOW 40 5 56 VBottom 2
WINDOW 123 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 20µ
SYMBOL res 2400 816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 50m
SYMBOL polcap 2272 976 R0
WINDOW 40 26 58 Left 2
WINDOW 3 37 32 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C6
SYMBOL schottky 2416 1120 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 2720 880 R0
WINDOW 0 32 19 Left 2
WINDOW 3 22 57 Left 2
SYMATTR InstName C7
SYMATTR Value 1000p
SYMBOL res 4160 960 R0
SYMATTR InstName Rload2
SYMATTR Value 5
SYMBOL res 2128 960 R0
SYMATTR InstName Rload1
SYMATTR Value 5
SYMBOL VOLTAGE 2416 464 R0
SYMATTR InstName V1
SYMATTR Value 25
SYMBOL PMOS 3792 800 M180
WINDOW 0 60 72 Left 2
WINDOW 3 57 35 Left 2
SYMATTR InstName Q4
SYMATTR Value FDC638P
SYMBOL POWERPRODUCTS\\LTC1267 3216 880 R0
WINDOW 0 8 -336 Left 2
SYMATTR InstName U1
SYMBOL cap 3632 720 R0
WINDOW 0 35 21 Left 2
WINDOW 3 29 54 Left 2
SYMATTR InstName C8
SYMATTR Value .1µ
SYMBOL cap 3632 544 R0
SYMATTR InstName C9
SYMATTR Value .15µ
SYMBOL polcap 3744 512 R0
SYMATTR InstName C10
SYMATTR Value 3.3µ
SYMBOL polcap 2624 512 R0
SYMATTR InstName C11
SYMATTR Value 3.3µ
SYMBOL cap 2720 720 R0
WINDOW 0 27 18 Left 2
WINDOW 3 26 57 Left 2
SYMATTR InstName C12
SYMATTR Value .1µ
SYMBOL cap 3632 880 R0
WINDOW 0 37 24 Left 2
WINDOW 3 27 56 Left 2
SYMATTR InstName C13
SYMATTR Value 1000p
SYMBOL cap 2720 544 R0
SYMATTR InstName C14
SYMATTR Value .15µ
TEXT 3968 1392 Left 2 !.tran 1.2m