Version 4 SHEET 1 1400 680 WIRE -304 -160 -416 -160 WIRE -240 -160 -304 -160 WIRE -112 -160 -144 -160 WIRE -32 -160 -112 -160 WIRE 240 -160 -32 -160 WIRE 304 -160 240 -160 WIRE 432 -160 384 -160 WIRE 544 -160 432 -160 WIRE 704 -160 624 -160 WIRE 816 -160 704 -160 WIRE 1296 -160 816 -160 WIRE -416 -144 -416 -160 WIRE -112 -144 -112 -160 WIRE -32 -144 -32 -160 WIRE 704 -144 704 -160 WIRE 816 -144 816 -160 WIRE 1344 -144 1344 -160 WIRE 1296 -128 1296 -160 WIRE 240 -80 240 -160 WIRE -112 -64 -112 -80 WIRE -416 -48 -416 -64 WIRE -32 -48 -32 -64 WIRE 80 -48 -32 -48 WIRE 432 -48 432 -160 WIRE 432 -48 400 -48 WIRE 544 -48 496 -48 WIRE 704 -48 704 -80 WIRE 704 -48 624 -48 WIRE 816 -48 816 -64 WIRE 816 -48 704 -48 WIRE 1296 -48 1296 -80 WIRE 1296 -48 816 -48 WIRE 1344 -48 1344 -64 WIRE -304 -16 -304 -160 WIRE -272 -16 -304 -16 WIRE -160 -16 -160 -112 WIRE -160 -16 -192 -16 WIRE -32 48 -32 32 WIRE 80 48 -32 48 WIRE 432 48 400 48 WIRE 528 48 512 48 WIRE -32 144 -32 128 WIRE 80 144 -32 144 WIRE 432 144 400 144 WIRE 512 144 496 144 WIRE -160 160 -160 -16 WIRE -32 240 -32 224 WIRE 80 240 64 240 WIRE 416 240 400 240 WIRE 0 336 -16 336 WIRE 80 336 64 336 WIRE 416 336 400 336 WIRE -160 432 -160 240 WIRE -80 432 -160 432 WIRE 80 432 16 432 WIRE 416 432 400 432 WIRE -160 448 -160 432 WIRE -160 528 -160 512 WIRE 80 528 -160 528 WIRE 416 528 400 528 WIRE 432 528 416 528 WIRE 512 528 496 528 WIRE 240 576 240 560 WIRE -32 608 -32 496 WIRE 416 608 416 528 WIRE 416 608 -32 608 FLAG 240 576 0 FLAG 416 240 0 FLAG 528 48 0 FLAG 512 144 0 FLAG 512 528 0 FLAG -32 240 0 FLAG 496 -48 0 FLAG -416 -48 0 FLAG -112 -64 0 FLAG 1344 -48 0 FLAG 1344 -160 OUT FLAG 416 336 0 FLAG -416 -160 IN FLAG 416 432 0 FLAG -16 336 0 SYMBOL PowerProducts\\LT4180 240 240 R0 SYMATTR InstName U1 SYMBOL res 416 64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value {41.7K*3} SYMBOL cap 432 128 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .001µ SYMBOL cap 496 544 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL cap -176 448 R0 WINDOW 3 37 34 Left 2 WINDOW 39 23 61 Left 2 WINDOW 40 18 96 Left 2 SYMATTR Value 220p SYMATTR SpiceLine Rser=4K SYMATTR SpiceLine2 Cpar=10p SYMATTR InstName C3 SYMBOL res 288 -144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value .1 SYMBOL res -48 -160 R0 SYMATTR InstName R3 SYMATTR Value 64.9K SYMBOL res -48 -64 R0 SYMATTR InstName R4 SYMATTR Value 3.74K SYMBOL res -48 32 R0 SYMATTR InstName R5 SYMATTR Value 2.2K SYMBOL res -48 128 R0 SYMATTR InstName R6 SYMATTR Value 5.36K SYMBOL res 640 -176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 4 SYMBOL res 640 -64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 4 SYMBOL cap 688 -144 R0 SYMATTR InstName C4 SYMATTR Value 100µ SYMBOL npn -80 496 R270 WINDOW 0 33 52 VTop 2 WINDOW 3 -4 53 VRight 2 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL nmos -240 -112 R270 WINDOW 0 54 47 VTop 2 WINDOW 3 -16 75 VLeft 2 SYMATTR InstName Q2 SYMATTR Value Si4886DY SYMBOL voltage -416 -160 R0 SYMATTR InstName V1 SYMATTR Value 20 SYMBOL res -176 144 R0 SYMATTR InstName R9 SYMATTR Value 10K SYMBOL res -288 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R10 SYMATTR Value 27K SYMBOL cap -128 -144 R0 WINDOW 3 27 59 Left 2 SYMATTR Value 1µ SYMATTR InstName C5 SYMBOL e 1344 -160 R0 SYMATTR InstName E1 SYMATTR Value 1 SYMBOL cap 64 320 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value .1µ SYMBOL current 816 -144 R0 WINDOW 3 17 79 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(40m 400m 0 2m 2m 18m 40m) SYMATTR InstName LoadCurrent TEXT 816 472 Left 2 !.tran 80m TEXT 584 -264 Top 2 ;Cable\nResistance RECTANGLE Normal 656 0 512 -272 2