Version 4
SHEET 1 2928 1440
WIRE 2064 880 1888 880
WIRE 2128 880 2064 880
WIRE 2256 880 2192 880
WIRE 2064 896 2064 880
WIRE 1760 944 1568 944
WIRE 1568 960 1568 944
WIRE 1760 976 1760 944
WIRE 1888 976 1888 880
WIRE 2064 976 2064 960
WIRE 2064 976 2016 976
WIRE 2144 976 2064 976
WIRE 2256 976 2256 880
WIRE 2256 976 2224 976
WIRE 2320 976 2256 976
WIRE 2064 992 2064 976
WIRE 2320 992 2320 976
WIRE 2016 1040 2016 976
WIRE 2016 1040 1984 1040
WIRE 1568 1056 1568 1040
WIRE 2064 1072 2064 1056
WIRE 2320 1088 2320 1072
WIRE 2256 1104 2256 976
WIRE 2256 1104 1984 1104
WIRE 1664 1168 1632 1168
WIRE 2256 1168 2256 1104
WIRE 2256 1168 1984 1168
WIRE 2256 1184 2256 1168
WIRE 2000 1232 1984 1232
WIRE 2080 1232 2064 1232
WIRE 2176 1232 2160 1232
WIRE 2256 1264 2256 1248
WIRE 1824 1312 1824 1296
FLAG 2176 1232 0
FLAG 1824 1312 0
FLAG 2064 1072 0
FLAG 2256 1264 0
FLAG 1568 1056 0
FLAG 2320 1088 0
FLAG 2320 976 OUT
FLAG 1568 944 IN
SYMBOL cap 2048 896 R0
WINDOW 3 27 56 Left 2
SYMATTR Value .27µ
SYMATTR InstName C1
SYMBOL ind 2128 992 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 5µ
SYMBOL schottky 2048 1056 M180
WINDOW 0 37 52 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMBOL diode 2192 864 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL VOLTAGE 1568 944 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 2064 1216 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .005µ
SYMBOL polcap 2240 1184 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL res 2064 1248 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL PowerProducts\\LT1374-5 1824 1136 R0
SYMATTR InstName U1
SYMBOL res 2304 976 R0
SYMATTR InstName Rload
SYMATTR Value 2
TEXT 2024 1328 Left 2 !.tran 500u startup