Version 4
SHEET 1 2952 1508
WIRE 1424 752 1296 752
WIRE 1568 752 1424 752
WIRE 1728 752 1568 752
WIRE 1856 752 1728 752
WIRE 2240 752 1856 752
WIRE 1296 768 1296 752
WIRE 1856 768 1856 752
WIRE 1568 800 1568 752
WIRE 1424 816 1424 752
WIRE 1856 848 1856 832
WIRE 2112 848 1856 848
WIRE 1296 864 1296 848
WIRE 2112 864 2112 848
WIRE 2240 864 2240 752
WIRE 1728 880 1728 752
WIRE 1856 880 1856 848
WIRE 1568 944 1568 880
WIRE 1600 944 1568 944
WIRE 2192 944 1984 944
WIRE 1424 1008 1424 896
WIRE 1600 1008 1424 1008
WIRE 2016 1008 1984 1008
WIRE 2112 1008 2112 928
WIRE 2112 1008 2096 1008
WIRE 2240 1008 2240 960
WIRE 2240 1008 2112 1008
WIRE 2304 1008 2240 1008
WIRE 2416 1008 2384 1008
WIRE 2512 1008 2416 1008
WIRE 2608 1008 2512 1008
WIRE 1424 1024 1424 1008
WIRE 2240 1024 2240 1008
WIRE 2512 1024 2512 1008
WIRE 2608 1024 2608 1008
WIRE 1600 1072 1584 1072
WIRE 2160 1072 1984 1072
WIRE 1424 1104 1424 1088
WIRE 2160 1104 2160 1072
WIRE 2192 1104 2160 1104
WIRE 2416 1104 2416 1008
WIRE 2512 1120 2512 1088
WIRE 2608 1120 2608 1104
WIRE 1600 1136 1584 1136
WIRE 2000 1136 1984 1136
WIRE 2240 1152 2240 1120
WIRE 1600 1200 1584 1200
WIRE 2416 1200 2416 1184
WIRE 2416 1200 1984 1200
WIRE 2416 1216 2416 1200
WIRE 1424 1264 1376 1264
WIRE 1552 1264 1504 1264
WIRE 1600 1264 1552 1264
WIRE 2000 1264 1984 1264
WIRE 1376 1280 1376 1264
WIRE 1552 1280 1552 1264
WIRE 2416 1312 2416 1296
WIRE 1728 1344 1728 1328
WIRE 1856 1344 1856 1328
WIRE 1376 1360 1376 1344
WIRE 1552 1360 1552 1344
FLAG 1728 1344 0
FLAG 2512 1120 0
FLAG 1296 864 0
FLAG 2608 1120 0
FLAG 2608 1008 OUT
FLAG 2240 1152 0
FLAG 1376 1360 0
FLAG 1552 1360 0
FLAG 2416 1312 0
FLAG 1856 1344 0
FLAG 1520 1072 0
FLAG 1424 1104 0
FLAG 1296 752 IN
SYMBOL ind 2288 1024 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 2.8µ
SYMBOL VOLTAGE 1296 752 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL NMOS 2192 1024 R0
WINDOW 0 56 20 Left 2
WINDOW 3 56 60 Left 2
WINDOW 123 60 96 Left 2
SYMATTR InstName Q1
SYMATTR Value IRF7201
SYMATTR Value2 m=2
SYMBOL cap 1536 1280 R0
SYMATTR InstName C3
SYMATTR Value 220p
SYMBOL cap 1360 1280 R0
SYMATTR InstName C4
SYMATTR Value 4700p
SYMBOL res 1520 1248 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 7.5K
SYMBOL res 1552 784 R0
SYMATTR InstName R2
SYMATTR Value 16K
SYMBOL NMOS 2192 864 R0
WINDOW 0 56 -20 Left 2
WINDOW 3 60 24 Left 2
WINDOW 123 60 60 Left 2
SYMATTR InstName Q2
SYMATTR Value IRF7201
SYMATTR Value2 m=2
SYMBOL res 2400 1088 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL res 2400 1200 R0
SYMATTR InstName R4
SYMATTR Value 12.5K
SYMBOL res 2112 992 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL schottky 1840 768 R0
SYMATTR InstName D1
SYMATTR Value MBR0530L
SYMBOL cap 2096 864 R0
SYMATTR InstName C5
SYMATTR Value .22µ
SYMBOL cap 1584 1056 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .01µ
SYMBOL res 1408 800 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL polcap 1408 1024 R0
SYMATTR InstName C9
SYMATTR Value 4.7µ
SYMBOL PowerProducts\\LTC1430 1792 1104 R0
SYMATTR InstName U1
SYMBOL res 2592 1008 R0
SYMATTR InstName Rload
SYMATTR Value 1
SYMBOL cap 2496 1024 R0
SYMATTR InstName C1
SYMATTR Value 330µ
SYMATTR SpiceLine Rser=.1
TEXT 2088 1280 Left 2 !.tran 5m startup