Version 4 SHEET 1 2908 1472 WIRE 1632 896 1504 896 WIRE 1824 896 1632 896 WIRE 2064 896 1824 896 WIRE 1504 912 1504 896 WIRE 2064 912 2064 896 WIRE 1824 944 1824 896 WIRE 1504 1008 1504 992 WIRE 1632 1008 1632 896 WIRE 1664 1008 1632 1008 WIRE 2064 1008 2064 992 WIRE 2064 1008 1984 1008 WIRE 2064 1024 2064 1008 WIRE 2016 1040 2000 1040 WIRE 1584 1072 1568 1072 WIRE 1664 1072 1648 1072 WIRE 2000 1072 2000 1040 WIRE 2000 1072 1984 1072 WIRE 1504 1136 1472 1136 WIRE 1664 1136 1568 1136 WIRE 2064 1136 2064 1120 WIRE 2064 1136 1984 1136 WIRE 2112 1136 2064 1136 WIRE 2240 1136 2192 1136 WIRE 2352 1136 2240 1136 WIRE 2464 1136 2352 1136 WIRE 2064 1152 2064 1136 WIRE 2240 1152 2240 1136 WIRE 2352 1152 2352 1136 WIRE 2464 1152 2464 1136 WIRE 1664 1200 1632 1200 WIRE 2000 1200 1984 1200 WIRE 2000 1232 2000 1200 WIRE 2016 1232 2000 1232 WIRE 2240 1248 2240 1232 WIRE 2240 1248 2160 1248 WIRE 2352 1248 2352 1216 WIRE 2464 1248 2464 1232 WIRE 2064 1264 2064 1248 WIRE 2240 1264 2240 1248 WIRE 1824 1280 1824 1264 WIRE 1632 1312 1632 1200 WIRE 2160 1312 2160 1248 WIRE 2160 1312 1632 1312 WIRE 2240 1360 2240 1344 FLAG 1824 1280 0 FLAG 2240 1360 0 FLAG 2352 1248 0 FLAG 1504 1008 0 FLAG 2464 1248 0 FLAG 2464 1136 OUT FLAG 2064 1264 0 FLAG 1472 1136 0 FLAG 1568 1072 0 FLAG 1504 896 IN SYMBOL ind 2096 1152 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 5µ SYMBOL RES 2224 1136 R0 SYMATTR InstName R1 SYMATTR Value 169K SYMBOL res 2224 1360 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R2 SYMATTR Value 80.6K SYMBOL VOLTAGE 1504 896 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL polcap 2336 1152 R0 SYMATTR SpiceLine Rser=.1 SYMATTR InstName C1 SYMATTR Value 180µ SYMBOL POWERPRODUCTS\\LTC1773 1824 1104 R0 WINDOW 3 -45 67 Left 2 SYMATTR InstName U1 SYMBOL PMOS 2016 1120 M180 WINDOW 0 60 79 Left 2 WINDOW 3 58 47 Left 2 SYMATTR InstName Q1 SYMATTR Value FDC638P SYMBOL NMOS 2016 1152 R0 SYMATTR InstName Q2 SYMATTR Value IRF7201 SYMBOL RES 2048 896 R0 SYMATTR InstName R3 SYMATTR Value .025 SYMBOL cap 1568 1120 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 56 34 VTop 2 SYMATTR InstName C3 SYMATTR Value 220p SYMATTR SpiceLine Rser=30K SYMBOL cap 1648 1056 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value .001µ SYMBOL res 2448 1136 R0 SYMATTR InstName Rload SYMATTR Value 2 TEXT 2360 1328 Left 2 !.tran 1m startup