Version 4 SHEET 1 2808 1456 WIRE 1824 880 1632 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 1632 896 1632 880 WIRE 2320 896 2320 880 WIRE 2432 896 2432 880 WIRE 2192 928 2192 880 WIRE 1824 944 1824 880 WIRE 1632 992 1632 976 WIRE 2320 992 2320 960 WIRE 2432 992 2432 976 WIRE 2016 1024 2016 880 WIRE 2016 1024 1952 1024 WIRE 2192 1088 2192 1008 WIRE 2192 1088 1952 1088 WIRE 2192 1104 2192 1088 WIRE 1968 1152 1952 1152 WIRE 2080 1152 2048 1152 WIRE 2080 1168 2080 1152 WIRE 2192 1200 2192 1184 WIRE 1824 1248 1824 1232 WIRE 2080 1248 2080 1232 FLAG 2432 880 OUT FLAG 2192 1200 0 FLAG 2320 992 0 FLAG 2432 992 0 FLAG 2080 1248 0 FLAG 1824 1248 0 FLAG 1632 992 0 FLAG 1632 880 IN SYMBOL IND 1872 896 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 150µ 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 912 R0 SYMATTR InstName R1 SYMATTR Value 10.7K SYMBOL RES 2176 1088 R0 SYMATTR InstName R2 SYMATTR Value 1.24K SYMBOL RES 1952 1168 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL polcap 2304 896 R0 SYMATTR InstName C2 SYMATTR Value 500µ SYMBOL CAP 2064 1168 R0 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL VOLTAGE 1632 880 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL PowerProducts\\LT1070HV 1824 1088 R0 SYMATTR InstName U1 SYMBOL RES 2416 880 R0 SYMATTR InstName Rload SYMATTR Value 12 TEXT 2240 1248 Left 2 !.tran 15m startup