Version 4 SHEET 1 2752 1400 WIRE 1824 880 1472 880 WIRE 1888 880 1824 880 WIRE 2016 880 1968 880 WIRE 2064 880 2016 880 WIRE 2192 880 2128 880 WIRE 2320 880 2192 880 WIRE 2432 880 2320 880 WIRE 1472 896 1472 880 WIRE 2320 896 2320 880 WIRE 2432 896 2432 880 WIRE 2192 912 2192 880 WIRE 1824 928 1824 880 WIRE 1472 992 1472 976 WIRE 1680 992 1648 992 WIRE 2016 992 2016 880 WIRE 2016 992 1968 992 WIRE 2320 992 2320 960 WIRE 2432 992 2432 976 WIRE 2192 1072 2192 992 WIRE 2192 1072 1968 1072 WIRE 2192 1088 2192 1072 WIRE 1488 1152 1424 1152 WIRE 1584 1152 1568 1152 WIRE 1680 1152 1584 1152 WIRE 2000 1152 1968 1152 WIRE 1424 1168 1424 1152 WIRE 1584 1168 1584 1152 WIRE 2192 1184 2192 1168 WIRE 1824 1232 1824 1216 WIRE 1424 1248 1424 1232 WIRE 1584 1248 1584 1232 FLAG 2432 880 OUT FLAG 2192 1184 0 FLAG 2320 992 0 FLAG 2432 992 0 FLAG 1424 1248 0 FLAG 1824 1232 0 FLAG 1472 992 0 FLAG 1584 1248 0 FLAG 1472 880 IN SYMBOL IND 1872 896 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 896 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 896 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMATTR SpiceLine Rser=.05 SYMBOL CAP 1568 1168 R0 WINDOW 3 27 55 Left 2 SYMATTR Value .0047µ SYMATTR InstName C3 SYMBOL CAP 1408 1168 R0 WINDOW 3 26 56 Left 2 SYMATTR Value .047µ SYMATTR InstName C4 SYMBOL VOLTAGE 1472 880 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL POWERPRODUCTS\\LT1371 1824 1072 R0 SYMATTR InstName U1 SYMBOL res 2416 880 R0 SYMATTR InstName Rload SYMATTR Value 50 TEXT 2032 1232 Left 2 !.tran 2m startup