Version 4 SHEET 1 2752 1400 WIRE 1824 864 1568 864 WIRE 1888 864 1824 864 WIRE 2016 864 1968 864 WIRE 2064 864 2016 864 WIRE 2192 864 2128 864 WIRE 2320 864 2192 864 WIRE 2432 864 2320 864 WIRE 1568 880 1568 864 WIRE 2320 880 2320 864 WIRE 2432 880 2432 864 WIRE 2192 912 2192 864 WIRE 1824 928 1824 864 WIRE 1568 976 1568 960 WIRE 2320 976 2320 944 WIRE 2432 976 2432 960 WIRE 1680 992 1648 992 WIRE 2016 992 2016 864 WIRE 2016 992 1968 992 WIRE 2192 1072 2192 992 WIRE 2192 1072 1968 1072 WIRE 2192 1088 2192 1072 WIRE 1488 1152 1440 1152 WIRE 1584 1152 1568 1152 WIRE 1680 1152 1584 1152 WIRE 2000 1152 1968 1152 WIRE 1440 1168 1440 1152 WIRE 1584 1168 1584 1152 WIRE 2192 1184 2192 1168 WIRE 1824 1232 1824 1216 WIRE 1440 1248 1440 1232 WIRE 1584 1248 1584 1232 FLAG 2432 864 OUT FLAG 2192 1184 0 FLAG 2320 976 0 FLAG 2432 976 0 FLAG 1440 1248 0 FLAG 1824 1232 0 FLAG 1568 976 0 FLAG 1584 1248 0 FLAG 1568 864 IN SYMBOL IND 1872 880 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 4.7µ SYMATTR SpiceLine Rser=0.02 Rpar=5000 SYMBOL schottky 2064 880 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBRS340 SYMBOL RES 2176 896 R0 SYMATTR InstName R1 SYMATTR Value 53.6K SYMBOL RES 2176 1072 R0 SYMATTR InstName R2 SYMATTR Value 6.19K SYMBOL RES 1472 1168 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 2K SYMBOL polcap 2304 880 R0 SYMATTR InstName C1 SYMATTR Value 22µ SYMATTR SpiceLine Rser=.05 SYMBOL CAP 1568 1168 R0 WINDOW 3 27 55 Left 2 SYMATTR Value .0047µ SYMATTR InstName C2 SYMBOL CAP 1424 1168 R0 WINDOW 3 26 56 Left 2 SYMATTR Value .047µ SYMATTR InstName C3 SYMBOL VOLTAGE 1568 864 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL PowerProducts\\LT1371HV 1824 1072 R0 SYMATTR InstName U1 SYMBOL RES 2416 864 R0 SYMATTR InstName Rload SYMATTR Value 50 TEXT 2192 1248 Left 2 !.tran 1m startup