Version 4 SHEET 1 2820 1384 WIRE 1824 864 1584 864 WIRE 1888 864 1824 864 WIRE 2016 864 1968 864 WIRE 2064 864 2016 864 WIRE 2192 864 2128 864 WIRE 2304 864 2192 864 WIRE 2384 864 2304 864 WIRE 2464 864 2384 864 WIRE 1584 880 1584 864 WIRE 2304 880 2304 864 WIRE 2384 880 2384 864 WIRE 2464 880 2464 864 WIRE 1824 928 1824 864 WIRE 1584 976 1584 960 WIRE 2192 976 2192 864 WIRE 2304 976 2304 944 WIRE 2384 976 2384 944 WIRE 2464 976 2464 960 WIRE 1680 992 1664 992 WIRE 2016 992 2016 864 WIRE 2016 992 1968 992 WIRE 2192 1072 2192 1056 WIRE 2192 1072 1968 1072 WIRE 2192 1088 2192 1072 WIRE 1504 1152 1456 1152 WIRE 1616 1152 1584 1152 WIRE 1680 1152 1616 1152 WIRE 2000 1152 1968 1152 WIRE 1456 1184 1456 1152 WIRE 1616 1184 1616 1152 WIRE 2192 1184 2192 1168 WIRE 1824 1232 1824 1216 WIRE 1456 1264 1456 1248 WIRE 1616 1264 1616 1248 FLAG 2464 864 OUT FLAG 2192 1184 0 FLAG 2304 976 0 FLAG 2464 976 0 FLAG 1456 1264 0 FLAG 1824 1232 0 FLAG 1584 976 0 FLAG 1616 1264 0 FLAG 2384 976 0 FLAG 1584 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 960 R0 SYMATTR InstName R1 SYMATTR Value 53.6K SYMBOL RES 2176 1072 R0 SYMATTR InstName R2 SYMATTR Value 6.19K SYMBOL RES 1488 1168 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 2K SYMBOL polcap 2288 880 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMATTR SpiceLine Rser=.05 SYMBOL CAP 1440 1248 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C4 SYMATTR Value .047µ SYMBOL CAP 1600 1248 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C3 SYMATTR Value .0047µ SYMBOL CAP 2368 880 R0 SYMATTR InstName C5 SYMATTR Value .1µ SYMBOL VOLTAGE 1584 864 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL POWERPRODUCTS\\LT1377 1824 1072 R0 SYMATTR InstName U1 SYMBOL RES 2448 864 R0 SYMATTR InstName Rload SYMATTR Value 50 TEXT 2112 1248 Left 2 !.tran 1.5m startup