Version 4 SHEET 1 1068 700 WIRE 192 64 96 64 WIRE 352 64 192 64 WIRE 96 80 96 64 WIRE 352 80 352 64 WIRE 192 144 192 64 WIRE 208 144 192 144 WIRE 528 144 496 144 WIRE 640 144 608 144 WIRE 736 144 640 144 WIRE 864 144 736 144 WIRE 976 144 864 144 WIRE 864 160 864 144 WIRE 976 160 976 144 WIRE 96 176 96 160 WIRE 640 192 640 144 WIRE 736 192 736 144 WIRE 864 256 864 224 WIRE 976 256 976 240 WIRE 208 304 192 304 WIRE 640 304 640 256 WIRE 640 304 496 304 WIRE 736 304 736 272 WIRE 736 304 640 304 WIRE 736 320 736 304 WIRE 352 384 352 368 WIRE 736 416 736 400 FLAG 96 176 0 FLAG 352 384 0 FLAG 864 256 0 FLAG 736 416 0 FLAG 976 256 0 FLAG 976 144 OUT FLAG 192 304 0 FLAG 96 64 IN SYMBOL VOLTAGE 96 64 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL polcap 848 160 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMBOL cap 624 192 R0 SYMATTR InstName C3 SYMATTR Value 20p SYMBOL ind 512 160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 4.7µ SYMBOL RES 720 176 R0 SYMATTR InstName R1 SYMATTR Value 887K SYMBOL res 720 304 R0 SYMATTR InstName R2 SYMATTR Value 280K SYMBOL res 960 144 R0 SYMATTR InstName Rload SYMATTR Value 25 SYMBOL POWERPRODUCTS\\LTC3405 352 224 R0 SYMATTR InstName U1 TEXT 848 336 Left 2 !.tran 500u startup