Version 4 SHEET 1 880 680 WIRE -176 64 -272 64 WIRE 128 64 -176 64 WIRE 336 64 208 64 WIRE -272 80 -272 64 WIRE -176 144 -176 64 WIRE 16 144 -176 144 WIRE 336 144 336 64 WIRE 336 144 304 144 WIRE -272 176 -272 160 WIRE -176 224 -176 144 WIRE -96 224 -176 224 WIRE 16 224 -16 224 WIRE 544 224 304 224 WIRE 640 224 544 224 WIRE 640 240 640 224 WIRE 544 256 544 224 WIRE -176 304 -176 224 WIRE 16 304 -176 304 WIRE 352 304 304 304 WIRE 464 304 352 304 WIRE 464 320 464 304 WIRE 544 336 544 320 WIRE 640 336 640 320 WIRE -176 384 -176 304 WIRE -160 384 -176 384 WIRE -48 384 -80 384 WIRE 16 384 -48 384 WIRE 352 384 304 384 WIRE -48 400 -48 384 WIRE 352 400 352 384 WIRE 464 400 464 384 WIRE 160 448 160 432 WIRE -48 480 -48 464 WIRE 352 496 352 480 FLAG 160 448 0 FLAG 352 496 0 FLAG 544 336 0 FLAG 464 400 0 FLAG -272 176 0 FLAG 640 336 0 FLAG -48 480 0 FLAG -272 64 IN FLAG 640 224 OUT SYMBOL PowerProducts\\LT3473 160 288 R0 SYMATTR InstName U1 SYMBOL ind 112 80 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 6.8µ SYMBOL res 336 288 R0 SYMATTR InstName R1 SYMATTR Value 2Meg SYMBOL res 336 384 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL cap 448 320 R0 SYMATTR InstName C1 SYMATTR Value .47µ SYMBOL cap 528 256 R0 SYMATTR InstName C2 SYMATTR Value 2.2µ SYMBOL voltage -272 64 R0 SYMATTR InstName V1 SYMATTR Value 3.6 SYMBOL res 624 224 R0 SYMATTR InstName Rload SYMATTR Value 312.5 SYMBOL res -176 368 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL cap -64 400 R0 WINDOW 0 34 17 Left 2 WINDOW 3 35 50 Left 2 SYMATTR InstName C3 SYMATTR Value .1µ SYMBOL res 0 240 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 10K TEXT 544 440 Left 2 !.tran 6m startup