Version 4
SHEET 1 4536 1584
WIRE 2480 656 2224 656
WIRE 2896 656 2480 656
WIRE 3536 656 2896 656
WIRE 3872 656 3536 656
WIRE 2224 672 2224 656
WIRE 3872 672 3872 656
WIRE 3824 688 3792 688
WIRE 2480 704 2480 656
WIRE 2560 720 2528 720
WIRE 2896 720 2896 656
WIRE 3056 720 3056 704
WIRE 3376 720 3376 704
WIRE 3536 720 3536 656
WIRE 2224 768 2224 752
WIRE 2560 800 2560 720
WIRE 2816 800 2560 800
WIRE 3792 800 3792 688
WIRE 3792 800 3616 800
WIRE 3872 800 3872 768
WIRE 3888 800 3872 800
WIRE 3984 800 3968 800
WIRE 4016 800 3984 800
WIRE 4128 800 4096 800
WIRE 2256 832 2240 832
WIRE 2352 832 2336 832
WIRE 2368 832 2352 832
WIRE 2480 832 2480 800
WIRE 2480 832 2448 832
WIRE 2352 880 2352 832
WIRE 2720 880 2352 880
WIRE 2816 880 2720 880
WIRE 3648 880 3616 880
WIRE 3984 880 3984 800
WIRE 3984 880 3648 880
WIRE 2144 960 2016 960
WIRE 2240 960 2240 832
WIRE 2240 960 2144 960
WIRE 2720 960 2720 944
WIRE 2720 960 2240 960
WIRE 2816 960 2720 960
WIRE 3648 960 3648 944
WIRE 3648 960 3616 960
WIRE 4128 960 4128 800
WIRE 4128 960 3648 960
WIRE 4224 960 4128 960
WIRE 4336 960 4224 960
WIRE 2016 976 2016 960
WIRE 2144 976 2144 960
WIRE 4224 976 4224 960
WIRE 4336 976 4336 960
WIRE 2480 992 2480 832
WIRE 2480 992 2368 992
WIRE 3872 992 3872 800
WIRE 4016 992 3872 992
WIRE 2480 1008 2480 992
WIRE 3872 1008 3872 992
WIRE 4016 1008 4016 992
WIRE 2368 1024 2368 992
WIRE 2240 1040 2240 960
WIRE 2816 1040 2560 1040
WIRE 3792 1040 3616 1040
WIRE 2016 1072 2016 1056
WIRE 2144 1072 2144 1040
WIRE 4224 1072 4224 1040
WIRE 4336 1072 4336 1056
WIRE 2560 1088 2560 1040
WIRE 2560 1088 2528 1088
WIRE 3792 1088 3792 1040
WIRE 3824 1088 3792 1088
WIRE 4128 1088 4128 960
WIRE 2640 1120 2624 1120
WIRE 2720 1120 2704 1120
WIRE 2816 1120 2800 1120
WIRE 3632 1120 3616 1120
WIRE 3728 1120 3712 1120
WIRE 3808 1120 3792 1120
WIRE 3872 1120 3872 1104
WIRE 4016 1120 4016 1072
WIRE 2368 1136 2368 1088
WIRE 2480 1136 2480 1104
WIRE 2240 1200 2240 1120
WIRE 2816 1200 2240 1200
WIRE 4128 1200 4128 1168
WIRE 4128 1200 3616 1200
WIRE 2240 1216 2240 1200
WIRE 4128 1216 4128 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 2240 1312 2240 1296
WIRE 4128 1312 4128 1296
WIRE 3168 1376 3168 1360
WIRE 3264 1376 3264 1360
FLAG 3808 1120 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 4224 1072 0
FLAG 3872 1120 0
FLAG 4016 1120 0
FLAG 2144 1072 0
FLAG 2480 1136 0
FLAG 2368 1136 0
FLAG 4336 1072 0
FLAG 2016 1072 0
FLAG 2016 960 +3.3
FLAG 4336 960 +5
FLAG 2224 768 0
FLAG 2240 1312 0
FLAG 4128 1312 0
FLAG 2624 1120 0
FLAG 3056 704 0
FLAG 3376 704 0
FLAG 2224 656 IN
SYMBOL cap 3248 1296 R0
SYMATTR InstName C1
SYMATTR Value 390p
SYMBOL cap 3152 1296 R0
SYMATTR InstName C2
SYMATTR Value 590p
SYMBOL RES 3616 1136 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 3728 1136 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 3300p
SYMBOL NMOS 3824 1008 R0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL cap 3632 880 R0
WINDOW 0 33 20 Left 2
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL ind 3872 816 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 50µ
SYMBOL res 4000 784 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 50m
SYMBOL polcap 4208 976 R0
WINDOW 40 24 69 Left 2
WINDOW 3 40 37 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C5
SYMBOL schottky 4000 1072 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL NMOS 2528 1008 M0
WINDOW 0 30 -10 Right 2
WINDOW 3 40 103 Right 2
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL PMOS 2528 800 R180
WINDOW 0 33 100 Right 2
WINDOW 3 30 -24 Right 2
SYMATTR InstName Q3
SYMATTR Value FDC638P
SYMBOL ind 2464 848 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 50µ
SYMBOL res 2352 816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 50m
SYMBOL schottky 2352 1088 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 2704 880 R0
WINDOW 0 31 17 Left 2
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL VOLTAGE 2224 656 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL PMOS 3824 768 M180
WINDOW 0 56 92 Left 2
WINDOW 3 60 56 Left 2
SYMATTR InstName Q4
SYMATTR Value FDC638P
SYMBOL res 2224 1024 R0
SYMATTR InstName R4
SYMATTR Value 164K
SYMBOL res 2224 1200 R0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL res 4112 1072 R0
SYMATTR InstName R6
SYMATTR Value 300K
SYMBOL res 4112 1200 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 2816 1136 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 1K
SYMBOL cap 2704 1104 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 3300p
SYMBOL POWERPRODUCTS\\LTC1142L-ADJ 3216 960 R0
SYMATTR InstName U1
SYMBOL polcap 2128 976 R0
WINDOW 40 24 69 Left 2
WINDOW 3 40 37 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C8
SYMBOL res 2000 960 R0
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL res 4320 960 R0
SYMATTR InstName Rload2
SYMATTR Value 10
TEXT 3768 1272 Left 2 !.tran 1.5m startup