Version 4
SHEET 1 3272 1728
WIRE 2208 912 1408 912
WIRE 1408 928 1408 912
WIRE 1632 992 1520 992
WIRE 1648 992 1632 992
WIRE 1744 992 1728 992
WIRE 1760 992 1744 992
WIRE 1888 992 1840 992
WIRE 1936 992 1888 992
WIRE 2208 992 2208 912
WIRE 2208 992 2032 992
WIRE 2464 992 2208 992
WIRE 2608 992 2464 992
WIRE 2768 992 2704 992
WIRE 2800 992 2768 992
WIRE 2912 992 2880 992
WIRE 2928 992 2912 992
WIRE 3040 992 3008 992
WIRE 3088 992 3040 992
WIRE 1520 1008 1520 992
WIRE 3088 1008 3088 992
WIRE 1408 1024 1408 1008
WIRE 1888 1024 1888 992
WIRE 2768 1024 2768 992
WIRE 2208 1056 2208 992
WIRE 2464 1056 2464 992
WIRE 1520 1104 1520 1088
WIRE 2768 1104 2768 1088
WIRE 3088 1104 3088 1088
WIRE 1888 1120 1888 1088
WIRE 2016 1136 2016 1040
WIRE 2080 1136 2016 1136
WIRE 2624 1136 2624 1040
WIRE 2624 1136 2592 1136
WIRE 1744 1216 1744 992
WIRE 2000 1216 1744 1216
WIRE 2080 1216 2000 1216
WIRE 2640 1216 2592 1216
WIRE 2912 1216 2912 992
WIRE 2912 1216 2640 1216
WIRE 1632 1296 1632 992
WIRE 1760 1296 1632 1296
WIRE 2000 1296 2000 1280
WIRE 2000 1296 1760 1296
WIRE 2080 1296 2000 1296
WIRE 2640 1296 2640 1280
WIRE 2640 1296 2592 1296
WIRE 2848 1296 2640 1296
WIRE 3040 1296 3040 992
WIRE 3040 1296 2848 1296
WIRE 1632 1312 1632 1296
WIRE 3040 1312 3040 1296
WIRE 2080 1376 1760 1376
WIRE 2848 1376 2592 1376
WIRE 1632 1392 1632 1376
WIRE 1760 1392 1760 1376
WIRE 2848 1392 2848 1376
WIRE 3040 1392 3040 1376
WIRE 1904 1456 1888 1456
WIRE 1984 1456 1968 1456
WIRE 2080 1456 2064 1456
WIRE 2608 1456 2592 1456
WIRE 2704 1456 2688 1456
WIRE 2784 1456 2768 1456
WIRE 1760 1488 1760 1472
WIRE 2848 1488 2848 1472
WIRE 2144 1552 2144 1536
WIRE 2272 1552 2272 1536
WIRE 2400 1552 2400 1536
WIRE 2528 1552 2528 1536
WIRE 2272 1632 2272 1616
WIRE 2400 1632 2400 1616
FLAG 2272 1632 0
FLAG 2528 1552 0
FLAG 2400 1632 0
FLAG 2784 1456 0
FLAG 1888 1456 0
FLAG 2768 1104 0
FLAG 3040 1392 0
FLAG 3088 1104 0
FLAG 1632 1392 0
FLAG 1520 1104 0
FLAG 1408 1024 0
FLAG 2144 1552 0
FLAG 3088 992 +2.5
FLAG 1520 992 +3.3
FLAG 1888 1120 0
FLAG 2848 1488 0
FLAG 1760 1488 0
FLAG 1408 912 IN
SYMBOL cap 2256 1552 R0
SYMATTR InstName C1
SYMATTR Value 300p
SYMBOL RES 2080 1440 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 1968 1440 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 3300p
SYMBOL PMOS 2704 1040 M270
WINDOW 0 69 57 VLeft 2
WINDOW 3 -18 65 VLeft 2
SYMATTR InstName Q1
SYMATTR Value FDC638P
SYMBOL ind 2784 1008 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 27µ
SYMBOL res 2912 976 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 50m
SYMBOL res 2592 1472 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL cap 2704 1472 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 3300p
SYMBOL cap 2384 1552 R0
SYMATTR InstName C4
SYMATTR Value 300p
SYMBOL schottky 2752 1088 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL res 3072 992 R0
SYMATTR InstName Rload2
SYMATTR Value 2
SYMBOL pmos 1936 1040 R270
WINDOW 0 77 76 VRight 2
WINDOW 3 16 93 VRight 2
SYMATTR InstName Q2
SYMATTR Value FDC638P
SYMBOL ind 1856 1008 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 27µ
SYMBOL res 1744 976 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 50m
SYMBOL res 1504 992 R0
SYMATTR InstName Rload1
SYMATTR Value 5
SYMBOL VOLTAGE 1408 912 R0
SYMATTR InstName V1
SYMATTR Value 5.75
SYMBOL polcap 3024 1312 R0
WINDOW 40 28 55 Left 2
WINDOW 3 39 34 Left 2
SYMATTR SpiceLine2 x2
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C5
SYMBOL schottky 1872 1088 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 2624 1216 R0
WINDOW 0 33 17 Left 2
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL cap 1984 1216 R0
WINDOW 0 28 14 Left 2
SYMATTR InstName C7
SYMATTR Value 1000p
SYMBOL POWERPRODUCTS\\LTC1143L-ADJ 2336 1296 R0
SYMATTR InstName U1
SYMBOL res 2832 1280 R0
SYMATTR InstName R7
SYMATTR Value 49.9K
SYMBOL res 2832 1376 R0
SYMATTR InstName R8
SYMATTR Value 49.9K
SYMBOL res 1744 1280 R0
SYMATTR InstName R9
SYMATTR Value 82.5K
SYMBOL res 1744 1376 R0
SYMATTR InstName R10
SYMATTR Value 49.9K
SYMBOL polcap 1616 1312 R0
WINDOW 40 27 59 Left 2
WINDOW 3 34 36 Left 2
SYMATTR SpiceLine2 x2
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C8
SYMATTR Value 220µ
TEXT 2952 1632 Left 2 !.tran 2m startup