Version 4 SHEET 1 1520 996 WIRE 464 -224 -160 -224 WIRE 752 -144 560 -144 WIRE -720 -128 -912 -128 WIRE -544 -128 -720 -128 WIRE -16 -128 -544 -128 WIRE 560 -96 560 -144 WIRE 752 -80 752 -144 WIRE -272 -48 -416 -48 WIRE -192 -48 -272 -48 WIRE 288 -48 -192 -48 WIRE -16 -16 -16 -128 WIRE 160 -16 -16 -16 WIRE -912 0 -912 -128 WIRE -544 0 -544 -128 WIRE -416 0 -416 -48 WIRE 160 0 160 -16 WIRE 288 0 288 -48 WIRE -720 64 -720 -128 WIRE -624 64 -720 64 WIRE -320 64 -336 64 WIRE -160 64 -160 -224 WIRE -160 64 -240 64 WIRE -16 64 -16 -16 WIRE 80 64 -16 64 WIRE 464 64 464 -224 WIRE 464 64 448 64 WIRE 512 64 464 64 WIRE 560 64 512 64 WIRE 464 80 464 64 WIRE -720 96 -720 64 WIRE -16 96 -16 64 WIRE 464 176 464 144 WIRE -720 192 -720 176 WIRE -624 192 -720 192 WIRE -304 192 -336 192 WIRE -16 192 -16 176 WIRE 80 192 -16 192 WIRE 400 192 368 192 WIRE -2240 208 -2416 208 WIRE -2160 208 -2240 208 WIRE -2032 208 -2160 208 WIRE -1744 208 -2032 208 WIRE -2240 224 -2240 208 WIRE -2160 224 -2160 208 WIRE -2416 240 -2416 208 WIRE -544 272 -544 256 WIRE -368 272 -544 272 WIRE -256 272 -368 272 WIRE 160 272 160 256 WIRE 160 272 -256 272 WIRE -2032 288 -2032 208 WIRE -2240 304 -2240 288 WIRE -2160 304 -2160 288 WIRE -2160 304 -2240 304 WIRE -368 336 -368 272 WIRE -320 336 -368 336 WIRE -192 336 -192 -48 WIRE -192 336 -240 336 WIRE -128 336 -192 336 WIRE 0 336 -48 336 WIRE -2416 352 -2416 320 WIRE -2240 352 -2240 304 WIRE -1744 352 -1744 208 WIRE -2032 416 -2032 368 WIRE -1904 416 -2032 416 WIRE -1520 416 -1584 416 WIRE -1424 416 -1520 416 WIRE -1264 416 -1424 416 WIRE -1168 416 -1264 416 WIRE -1072 416 -1168 416 WIRE -1040 416 -1072 416 WIRE -960 416 -1040 416 WIRE -880 416 -960 416 WIRE -704 416 -800 416 WIRE -416 416 -416 256 WIRE -416 416 -704 416 WIRE 0 416 0 336 WIRE 0 416 -416 416 WIRE 288 416 288 256 WIRE 288 416 0 416 WIRE -1520 432 -1520 416 WIRE -1424 432 -1424 416 WIRE -1264 432 -1264 416 WIRE -1040 432 -1040 416 WIRE -960 432 -960 416 WIRE -704 480 -704 416 WIRE -1040 512 -1040 496 WIRE -960 512 -960 496 WIRE -960 512 -1040 512 WIRE -1520 528 -1520 512 WIRE -1520 528 -1584 528 WIRE -1424 528 -1424 496 WIRE -1424 528 -1520 528 WIRE -960 528 -960 512 WIRE -1168 608 -1168 416 WIRE -704 608 -704 560 WIRE -1904 640 -2080 640 WIRE -2080 752 -2080 640 WIRE -1904 752 -2080 752 WIRE -1264 752 -1264 512 WIRE -1264 752 -1584 752 WIRE -2080 768 -2080 752 WIRE -1168 864 -1168 688 WIRE -1168 864 -1584 864 WIRE -2080 896 -2080 848 WIRE -1744 976 -1744 928 FLAG 464 176 0 FLAG 752 0 0 FLAG 400 192 0 FLAG -2416 352 0 FLAG -912 0 0 FLAG -960 528 0 FLAG -304 192 0 FLAG 512 64 Vout FLAG -2240 352 0 FLAG -2080 896 0 FLAG -1744 976 0 FLAG -2416 208 V_FIRST FLAG -1072 416 VIN FLAG -272 -48 IMONN FLAG -256 272 SET FLAG -704 608 0 SYMBOL res -32 80 R0 SYMATTR InstName R2 SYMATTR Value 5k11 SYMBOL cap 448 80 R0 SYMATTR InstName C2 SYMATTR Value 470µ SYMATTR SpiceLine Rser=10m SYMBOL LT3091 224 128 R0 SYMATTR InstName U1 SYMBOL current 560 -96 R0 WINDOW 3 24 28 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value 2.4 SYMATTR InstName I1 SYMBOL voltage 752 -96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 1.3 SYMBOL res -224 320 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 19k1 SYMBOL cap -976 432 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMBOL res -736 80 R0 SYMATTR InstName R5 SYMATTR Value 5k11 SYMBOL LT3091 -480 128 R0 SYMATTR InstName U2 SYMBOL voltage -2416 224 R0 WINDOW 0 54 56 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL cap -1056 432 R0 SYMATTR InstName C6 SYMATTR Value 100n SYMBOL cap -2176 224 R0 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL cap -2256 224 R0 SYMATTR InstName C3 SYMATTR Value 47µ SYMBOL res -224 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 10m SYMBOL res 464 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 10m SYMBOL res -784 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 0.001 SYMBOL res 544 -32 R0 SYMATTR InstName R4 SYMATTR Value 0.04 SYMBOL PowerProducts\\LT3086 -1744 640 R0 SYMATTR InstName U4 SYMBOL res -2096 752 R0 SYMATTR InstName R8 SYMATTR Value 365 SYMBOL res -1536 416 R0 SYMATTR InstName R9 SYMATTR Value 42k2 SYMBOL cap -1440 432 R0 SYMATTR InstName C5 SYMATTR Value 10p SYMBOL res -1280 416 R0 SYMATTR InstName R10 SYMATTR Value 37k4 SYMBOL res -2048 272 R0 SYMATTR InstName R11 SYMATTR Value 10k SYMBOL res -1184 592 R0 SYMATTR InstName R13 SYMATTR Value 100k SYMBOL res -32 320 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 10 SYMBOL current -704 480 R0 WINDOW 3 24 28 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value 20m SYMATTR InstName I2 TEXT -440 560 Left 2 !.tran 1m startup TEXT -440 616 Left 2 ;.step param ILoad 1A 4A 500mA TEXT -440 688 Left 2 ;.noise V(Vout) I1 dec 10 100k 10meg TEXT -96 552 Left 2 ;.tran 2m