Version 4
SHEET 1 3836 1472
WIRE 1760 800 1648 800
WIRE 2480 800 1760 800
WIRE 2576 800 2480 800
WIRE 2672 800 2576 800
WIRE 1648 816 1648 800
WIRE 1760 816 1760 800
WIRE 1872 864 1840 864
WIRE 2000 864 1936 864
WIRE 2272 864 2000 864
WIRE 2480 864 2480 800
WIRE 2576 864 2576 800
WIRE 2672 864 2672 800
WIRE 3072 864 2992 864
WIRE 3168 864 3072 864
WIRE 3264 864 3232 864
WIRE 2000 880 2000 864
WIRE 3072 880 3072 864
WIRE 1648 912 1648 896
WIRE 1760 912 1760 880
WIRE 2272 912 2272 864
WIRE 2368 912 2272 912
WIRE 2992 912 2992 864
WIRE 2992 912 2784 912
WIRE 1696 976 1568 976
WIRE 1760 976 1696 976
WIRE 1840 976 1840 864
WIRE 1840 976 1760 976
WIRE 1888 976 1840 976
WIRE 2000 976 2000 944
WIRE 2000 976 1968 976
WIRE 2368 976 2000 976
WIRE 3072 976 3072 944
WIRE 3072 976 2784 976
WIRE 3152 976 3072 976
WIRE 3264 976 3264 864
WIRE 3264 976 3232 976
WIRE 3360 976 3264 976
WIRE 3408 976 3360 976
WIRE 3504 976 3408 976
WIRE 1568 992 1568 976
WIRE 1840 992 1840 976
WIRE 3408 992 3408 976
WIRE 3504 992 3504 976
WIRE 1696 1008 1696 976
WIRE 2000 1008 2000 976
WIRE 3264 1008 3264 976
WIRE 3072 1024 3072 976
WIRE 2368 1040 2144 1040
WIRE 3024 1040 2784 1040
WIRE 1568 1088 1568 1072
WIRE 1696 1088 1696 1072
WIRE 2000 1088 2000 1072
WIRE 3408 1088 3408 1056
WIRE 3504 1088 3504 1072
WIRE 2192 1104 2176 1104
WIRE 2368 1104 2256 1104
WIRE 2912 1104 2784 1104
WIRE 2992 1104 2976 1104
WIRE 3072 1104 3072 1088
WIRE 1840 1120 1840 1072
WIRE 2144 1120 2144 1040
WIRE 2144 1120 1840 1120
WIRE 1840 1136 1840 1120
WIRE 3024 1136 3024 1040
WIRE 3264 1136 3264 1088
WIRE 3264 1136 3024 1136
WIRE 3264 1152 3264 1136
WIRE 2368 1168 2288 1168
WIRE 2880 1168 2784 1168
WIRE 1840 1232 1840 1216
WIRE 2368 1232 2320 1232
WIRE 2816 1232 2784 1232
WIRE 2320 1248 2320 1232
WIRE 2816 1248 2816 1232
WIRE 3264 1248 3264 1232
WIRE 1760 1264 1760 976
WIRE 1920 1264 1760 1264
WIRE 2288 1264 2288 1168
WIRE 2288 1264 2000 1264
WIRE 2880 1280 2880 1168
WIRE 3104 1280 2880 1280
WIRE 3360 1280 3360 976
WIRE 3360 1280 3184 1280
WIRE 2512 1296 2512 1280
WIRE 2640 1296 2640 1280
WIRE 2320 1328 2320 1312
WIRE 2816 1328 2816 1312
WIRE 2640 1392 2640 1376
FLAG 1648 912 0
FLAG 1760 912 0
FLAG 2512 1296 0
FLAG 3264 1248 0
FLAG 3072 1104 0
FLAG 3408 1088 0
FLAG 3504 1088 0
FLAG 3504 976 OUT1
FLAG 2992 1104 0
FLAG 1840 1232 0
FLAG 2000 1088 0
FLAG 1696 1088 0
FLAG 1568 1088 0
FLAG 1568 976 OUT2
FLAG 2176 1104 0
FLAG 1648 800 IN
FLAG 2640 1392 0
FLAG 2816 1328 0
FLAG 2320 1328 0
SYMBOL VOLTAGE 1648 800 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 1744 816 R0
SYMATTR InstName C4
SYMATTR Value 2.2u
SYMBOL cap 3056 880 R0
SYMATTR InstName C7
SYMATTR Value .22u
SYMBOL ind 3136 992 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 10u
SYMBOL RES 3248 992 R0
SYMATTR InstName R3
SYMATTR Value 56.2K
SYMBOL res 3248 1136 R0
SYMATTR InstName R4
SYMATTR Value 10.7K
SYMBOL schottky 3056 1088 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MBRS130L
SYMBOL diode 3232 848 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMATTR Value 1N914
SYMBOL cap 3392 992 R0
SYMATTR InstName C8
SYMATTR Value 10u
SYMBOL res 3488 976 R0
SYMATTR InstName Rload1
SYMATTR Value 3.57
SYMBOL cap 2912 1120 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -28 32 VBottom 2
SYMATTR InstName C9
SYMATTR Value 100p
SYMATTR SpiceLine Rser=43K
SYMBOL res 3088 1296 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL cap 1984 880 R0
SYMATTR InstName C10
SYMATTR Value .22u
SYMBOL ind 1984 992 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 6.8u
SYMBOL RES 1824 976 R0
SYMATTR InstName R6
SYMATTR Value 35.7K
SYMBOL res 1824 1120 R0
SYMATTR InstName R7
SYMATTR Value 11.5K
SYMBOL schottky 1984 1072 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value MBRS130L
SYMBOL diode 1872 848 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D6
SYMATTR Value 1N914
SYMBOL cap 1680 1008 R0
SYMATTR InstName C11
SYMATTR Value 22u
SYMBOL res 1552 976 R0
SYMATTR InstName Rload2
SYMATTR Value 2.36
SYMBOL cap 2256 1088 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C12
SYMATTR Value 150p
SYMATTR SpiceLine Rser=51K
SYMBOL res 1904 1280 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL PowerProducts\\LT3508 2576 1072 R0
SYMATTR InstName U1
SYMBOL res 2624 1280 R0
SYMATTR InstName R1
SYMATTR Value 52.3K
SYMBOL cap 2304 1248 R0
SYMATTR InstName C1
SYMATTR Value 300p
SYMBOL cap 2800 1248 R0
SYMATTR InstName C2
SYMATTR Value 300p
TEXT 3232 1328 Left 2 !.tran 250u startup