Version 4
SHEET 1 2968 1208
WIRE 2288 752 2096 752
WIRE 2352 752 2288 752
WIRE 2464 752 2416 752
WIRE 2288 768 2288 752
WIRE 2096 800 2096 752
WIRE 1952 864 1712 864
WIRE 2288 864 2288 832
WIRE 2288 864 2240 864
WIRE 2352 864 2288 864
WIRE 2464 864 2464 752
WIRE 2464 864 2432 864
WIRE 2528 864 2464 864
WIRE 1712 880 1712 864
WIRE 2528 880 2528 864
WIRE 2288 912 2288 864
WIRE 1952 944 1920 944
WIRE 1712 976 1712 960
WIRE 2528 976 2528 960
WIRE 2288 992 2288 976
WIRE 1856 1024 1808 1024
WIRE 1952 1024 1936 1024
WIRE 2464 1024 2464 864
WIRE 2464 1024 2240 1024
WIRE 1808 1040 1808 1024
WIRE 2464 1040 2464 1024
WIRE 2096 1104 2096 1088
WIRE 1808 1120 1808 1104
WIRE 2464 1120 2464 1104
FLAG 1712 976 0
FLAG 2096 1104 0
FLAG 1808 1120 0
FLAG 2464 1120 0
FLAG 2288 992 0
FLAG 2528 976 0
FLAG 2528 864 OUT
FLAG 1712 864 IN
SYMBOL VOLTAGE 1712 864 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 1792 1040 R0
SYMATTR InstName C1
SYMATTR Value 500p
SYMBOL ind 2336 880 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 15µ
SYMBOL cap 2272 768 R0
SYMATTR InstName C2
SYMATTR Value .33µ
SYMBOL polcap 2448 1040 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=.05
SYMBOL schottky 2272 976 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL diode 2416 768 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL res 1952 1008 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 2512 864 R0
SYMATTR InstName Rload
SYMATTR Value 2.5
SYMBOL PowerProducts\\LT1578-2.5 2096 944 R0
SYMATTR InstName U1
TEXT 2192 1128 Left 2 !.tran 1m startup