Version 4
SHEET 1 4392 1408
WIRE 2544 656 2224 656
WIRE 2896 656 2544 656
WIRE 3536 656 2896 656
WIRE 3840 656 3536 656
WIRE 2224 672 2224 656
WIRE 2544 704 2544 656
WIRE 3840 704 3840 656
WIRE 2624 720 2592 720
WIRE 2896 720 2896 656
WIRE 3056 720 3056 688
WIRE 3376 720 3376 688
WIRE 3536 720 3536 656
WIRE 3792 720 3760 720
WIRE 2224 768 2224 752
WIRE 2624 800 2624 720
WIRE 2816 800 2624 800
WIRE 3760 800 3760 720
WIRE 3760 800 3616 800
WIRE 2320 816 2304 816
WIRE 2416 816 2400 816
WIRE 2448 816 2416 816
WIRE 2544 816 2544 800
WIRE 2544 816 2528 816
WIRE 3840 816 3840 800
WIRE 3872 816 3840 816
WIRE 3968 816 3952 816
WIRE 3984 816 3968 816
WIRE 4096 816 4064 816
WIRE 2416 880 2416 816
WIRE 2720 880 2416 880
WIRE 2816 880 2720 880
WIRE 3648 880 3616 880
WIRE 3968 880 3968 816
WIRE 3968 880 3648 880
WIRE 2304 960 2304 816
WIRE 2304 960 2176 960
WIRE 2720 960 2720 944
WIRE 2720 960 2304 960
WIRE 2816 960 2720 960
WIRE 3648 960 3648 944
WIRE 3648 960 3616 960
WIRE 4096 960 4096 816
WIRE 4096 960 3648 960
WIRE 4208 960 4096 960
WIRE 2176 976 2176 960
WIRE 2304 976 2304 960
WIRE 4096 976 4096 960
WIRE 4208 976 4208 960
WIRE 2544 992 2544 816
WIRE 2544 992 2432 992
WIRE 3840 992 3840 816
WIRE 3984 992 3840 992
WIRE 3840 1008 3840 992
WIRE 2432 1024 2432 992
WIRE 2544 1024 2544 992
WIRE 3984 1024 3984 992
WIRE 2816 1040 2624 1040
WIRE 3760 1040 3616 1040
WIRE 2176 1072 2176 1056
WIRE 2304 1072 2304 1040
WIRE 4096 1072 4096 1040
WIRE 4208 1072 4208 1056
WIRE 3760 1088 3760 1040
WIRE 3792 1088 3760 1088
WIRE 2624 1104 2624 1040
WIRE 2624 1104 2592 1104
WIRE 2432 1120 2432 1088
WIRE 2720 1120 2688 1120
WIRE 2816 1120 2800 1120
WIRE 3648 1120 3616 1120
WIRE 3744 1120 3728 1120
WIRE 3840 1120 3840 1104
WIRE 3984 1120 3984 1088
WIRE 3744 1136 3744 1120
WIRE 2544 1152 2544 1120
WIRE 2688 1152 2688 1120
WIRE 2896 1216 2896 1200
WIRE 3040 1216 3040 1200
WIRE 3168 1216 3168 1200
WIRE 3264 1216 3264 1200
WIRE 3392 1216 3392 1200
WIRE 3536 1216 3536 1200
WIRE 3744 1216 3744 1200
WIRE 2688 1232 2688 1216
WIRE 3168 1296 3168 1280
WIRE 3264 1296 3264 1280
FLAG 3744 1216 0
FLAG 3536 1216 0
FLAG 3392 1216 0
FLAG 3264 1296 0
FLAG 3168 1296 0
FLAG 3040 1216 0
FLAG 2896 1216 0
FLAG 2688 1232 0
FLAG 4096 1072 0
FLAG 3840 1120 0
FLAG 3984 1120 0
FLAG 2304 1072 0
FLAG 2544 1152 0
FLAG 2432 1120 0
FLAG 4208 1072 0
FLAG 2176 1072 0
FLAG 2176 960 +3.3
FLAG 4208 960 +5
FLAG 2224 768 0
FLAG 2224 656 IN
SYMBOL RES 2816 1104 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 2672 1152 R0
SYMATTR InstName C1
SYMATTR Value 3300p
SYMBOL cap 3248 1216 R0
SYMATTR InstName C2
SYMATTR Value 390p
SYMBOL cap 3152 1216 R0
SYMATTR InstName C3
SYMATTR Value 590p
SYMBOL res 3632 1136 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL cap 3728 1136 R0
SYMATTR InstName C4
SYMATTR Value 3300p
SYMBOL NMOS 3792 1008 R0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL cap 3632 880 R0
WINDOW 0 32 19 Left 2
WINDOW 3 25 56 Left 2
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL ind 3856 832 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 50µ
SYMBOL res 3968 800 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 50m
SYMBOL polcap 4080 976 R0
WINDOW 40 23 60 Left 2
WINDOW 3 37 35 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C6
SYMBOL schottky 3968 1088 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL NMOS 2592 1024 M0
WINDOW 0 41 -13 Right 2
WINDOW 3 42 109 Right 2
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL PMOS 2592 800 R180
WINDOW 0 33 102 Right 2
WINDOW 3 27 -24 Right 2
SYMATTR InstName Q3
SYMATTR Value FDC638P
SYMBOL ind 2544 832 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 50µ
SYMBOL res 2416 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 50m
SYMBOL schottky 2416 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 34 21 Left 2
SYMATTR InstName C7
SYMATTR Value 1000p
SYMBOL res 4192 960 R0
SYMATTR InstName Rload2
SYMATTR Value 10
SYMBOL res 2160 960 R0
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL VOLTAGE 2224 656 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL PMOS 3792 800 M180
WINDOW 0 56 92 Left 2
WINDOW 3 60 56 Left 2
SYMATTR InstName Q4
SYMATTR Value FDC638P
SYMBOL PowerProducts\\LTC1142HV 3216 960 R0
SYMATTR InstName U1
SYMBOL polcap 2288 976 R0
WINDOW 40 23 67 Left 2
WINDOW 3 37 35 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName C8
TEXT 3872 1248 Left 2 !.tran 1.5m startup