Version 4
SHEET 1 3256 1728
WIRE 2208 912 1376 912
WIRE 1376 928 1376 912
WIRE 1600 976 1488 976
WIRE 1616 976 1600 976
WIRE 1712 976 1696 976
WIRE 1728 976 1712 976
WIRE 1840 976 1808 976
WIRE 1888 976 1840 976
WIRE 2208 976 2208 912
WIRE 2208 976 1984 976
WIRE 2464 976 2208 976
WIRE 2608 976 2464 976
WIRE 2784 976 2704 976
WIRE 2832 976 2784 976
WIRE 2928 976 2912 976
WIRE 2944 976 2928 976
WIRE 3040 976 3024 976
WIRE 3088 976 3040 976
WIRE 1488 992 1488 976
WIRE 3088 992 3088 976
WIRE 1840 1008 1840 976
WIRE 1376 1024 1376 1008
WIRE 2784 1024 2784 976
WIRE 2208 1056 2208 976
WIRE 2464 1056 2464 976
WIRE 1488 1088 1488 1072
WIRE 1840 1088 1840 1072
WIRE 3088 1088 3088 1072
WIRE 2784 1104 2784 1088
WIRE 1968 1136 1968 1024
WIRE 2080 1136 1968 1136
WIRE 2624 1136 2624 1024
WIRE 2624 1136 2592 1136
WIRE 1712 1216 1712 976
WIRE 1952 1216 1712 1216
WIRE 2080 1216 1952 1216
WIRE 2640 1216 2592 1216
WIRE 2928 1216 2928 976
WIRE 2928 1216 2640 1216
WIRE 1600 1296 1600 976
WIRE 1952 1296 1952 1280
WIRE 1952 1296 1600 1296
WIRE 2080 1296 1952 1296
WIRE 2640 1296 2640 1280
WIRE 2640 1296 2592 1296
WIRE 3040 1296 3040 976
WIRE 3040 1296 2640 1296
WIRE 1600 1312 1600 1296
WIRE 3040 1312 3040 1296
WIRE 2080 1376 2048 1376
WIRE 2624 1376 2592 1376
WIRE 1600 1392 1600 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 2144 1552 2144 1536
WIRE 2272 1552 2272 1536
WIRE 2400 1552 2400 1536
WIRE 2528 1568 2528 1536
WIRE 2272 1632 2272 1616
WIRE 2400 1632 2400 1616
FLAG 2272 1632 0
FLAG 2528 1568 0
FLAG 2400 1632 0
FLAG 2784 1456 0
FLAG 1888 1456 0
FLAG 2784 1104 0
FLAG 3040 1392 0
FLAG 3088 1088 0
FLAG 1600 1392 0
FLAG 1488 1088 0
FLAG 1376 1024 0
FLAG 2144 1552 0
FLAG 3088 976 +5
FLAG 1488 976 +3
FLAG 1840 1088 0
FLAG 1376 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 1024 M270
WINDOW 0 70 55 VLeft 2
WINDOW 3 -24 67 VLeft 2
SYMATTR InstName Q1
SYMATTR Value FDC638P
SYMBOL ind 2816 992 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 27µ
SYMBOL res 2928 960 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 2768 1088 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL res 3072 976 R0
SYMATTR InstName Rload2
SYMATTR Value 10
SYMBOL pmos 1888 1024 R270
WINDOW 0 69 34 VRight 2
WINDOW 3 -12 85 VRight 2
SYMATTR InstName Q2
SYMATTR Value FDC638P
SYMBOL ind 1824 992 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 27µ
SYMBOL res 1712 960 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 50m
SYMBOL res 1472 976 R0
SYMATTR InstName Rload1
SYMATTR Value 5
SYMBOL VOLTAGE 1376 912 R0
SYMATTR InstName V1
SYMATTR Value 5.75
SYMBOL polcap 3024 1312 R0
WINDOW 40 27 63 Left 2
WINDOW 0 24 -1 Left 2
WINDOW 3 40 34 Left 2
SYMATTR SpiceLine2 x2
SYMATTR InstName C5
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=.1
SYMBOL POWERPRODUCTS\\LTC1143 2336 1296 R0
SYMATTR InstName U1
SYMBOL schottky 1824 1072 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 29 16 Left 2
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL cap 1936 1216 R0
WINDOW 0 24 13 Left 2
SYMATTR InstName C7
SYMATTR Value 1000p
SYMBOL polcap 1584 1312 R0
WINDOW 40 27 63 Left 2
WINDOW 0 24 -1 Left 2
WINDOW 3 40 34 Left 2
SYMATTR SpiceLine2 x2
SYMATTR InstName C8
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=.1
TEXT 2912 1496 Left 2 !.tran 2m startup