Version 4 SHEET 1 2956 1424 WIRE 2144 912 1824 912 WIRE 2240 912 2144 912 WIRE 2352 912 2304 912 WIRE 2144 928 2144 912 WIRE 1824 992 1824 912 WIRE 2144 1008 2144 992 WIRE 2144 1008 2112 1008 WIRE 2240 1008 2144 1008 WIRE 2352 1008 2352 912 WIRE 2352 1008 2320 1008 WIRE 2464 1008 2352 1008 WIRE 2560 1008 2464 1008 WIRE 2464 1024 2464 1008 WIRE 2560 1024 2560 1008 WIRE 2352 1040 2352 1008 WIRE 1680 1056 1568 1056 WIRE 2112 1056 2112 1008 WIRE 2112 1056 1968 1056 WIRE 2144 1056 2144 1008 WIRE 1568 1072 1568 1056 WIRE 1680 1120 1664 1120 WIRE 2112 1120 1968 1120 WIRE 2464 1120 2464 1088 WIRE 2560 1120 2560 1104 WIRE 2144 1136 2144 1120 WIRE 1568 1168 1568 1152 WIRE 2112 1168 2112 1120 WIRE 2352 1168 2352 1120 WIRE 2352 1168 2112 1168 WIRE 1984 1184 1968 1184 WIRE 2080 1184 2064 1184 WIRE 2352 1184 2352 1168 WIRE 2080 1200 2080 1184 WIRE 1824 1264 1824 1248 WIRE 2080 1280 2080 1264 WIRE 2352 1280 2352 1264 FLAG 2080 1280 0 FLAG 1824 1264 0 FLAG 2352 1280 0 FLAG 2144 1136 0 FLAG 2464 1120 0 FLAG 1568 1168 0 FLAG 2560 1120 0 FLAG 2560 1008 OUT FLAG 1568 1056 IN SYMBOL cap 2128 928 R0 SYMATTR InstName C2 SYMATTR Value .18µ SYMBOL ind 2224 1024 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1.5µ SYMBOL RES 2336 1024 R0 SYMATTR InstName R1 SYMATTR Value 17.4K SYMBOL res 2336 1168 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL schottky 2128 1120 M180 WINDOW 0 24 72 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value MBRS340 SYMBOL diode 2304 896 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value 1N914 SYMBOL VOLTAGE 1568 1056 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL cap 2064 1200 R0 SYMATTR InstName C3 SYMATTR Value 2.2n SYMBOL cap 2448 1024 R0 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMATTR SpiceLine Rser=10m SYMBOL POWERPRODUCTS\\LT1765 1824 1120 R0 SYMATTR InstName U1 SYMBOL res 2080 1168 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL res 2544 1008 R0 SYMATTR InstName Rload SYMATTR Value 1 TEXT 2136 1328 Left 2 !.tran 200u startup