Version 4 SHEET 1 1564 764 WIRE 1248 -192 1200 -192 WIRE 1248 -144 1248 -192 WIRE -368 -128 -480 -128 WIRE -288 -128 -368 -128 WIRE -224 -128 -288 -128 WIRE -144 -128 -224 -128 WIRE -48 -128 -144 -128 WIRE 240 -128 -48 -128 WIRE 336 -128 240 -128 WIRE 560 -128 416 -128 WIRE 576 -128 560 -128 WIRE 656 -128 640 -128 WIRE 752 -128 656 -128 WIRE 848 -128 816 -128 WIRE 912 -128 848 -128 WIRE 992 -128 912 -128 WIRE 1104 -128 992 -128 WIRE 1184 -128 1104 -128 WIRE 1200 -128 1200 -192 WIRE 1200 -128 1184 -128 WIRE 1248 -128 1248 -144 WIRE -480 -112 -480 -128 WIRE 656 -112 656 -128 WIRE 912 -112 912 -128 WIRE 992 -112 992 -128 WIRE 1104 -112 1104 -128 WIRE 1184 -112 1184 -128 WIRE -480 -96 -480 -112 WIRE 1184 -96 1184 -112 WIRE 128 -80 64 -80 WIRE 416 -80 208 -80 WIRE -480 -64 -480 -96 WIRE -48 -64 -48 -128 WIRE 240 -32 240 -128 WIRE 1248 -32 1248 -48 WIRE 656 -16 656 -32 WIRE 912 -16 912 -48 WIRE 992 -16 992 -48 WIRE 1104 -16 1104 -48 WIRE 1184 -16 1184 -48 WIRE -480 0 -480 -16 WIRE -368 16 -368 -64 WIRE -288 16 -288 -64 WIRE -288 16 -368 16 WIRE -256 16 -288 16 WIRE -224 16 -224 -64 WIRE -224 16 -256 16 WIRE -144 16 -144 -64 WIRE -144 16 -224 16 WIRE -48 32 -48 16 WIRE 80 32 -48 32 WIRE 416 32 416 -80 WIRE 416 32 400 32 WIRE 432 32 416 32 WIRE 512 32 496 32 WIRE -48 48 -48 32 WIRE -256 64 -256 16 WIRE 64 128 64 -80 WIRE 80 128 64 128 WIRE 848 128 848 -128 WIRE 848 128 400 128 WIRE -48 144 -48 128 WIRE 560 144 560 -128 WIRE 0 224 -32 224 WIRE 80 224 64 224 WIRE 512 224 400 224 WIRE 560 256 560 240 WIRE 560 256 432 256 WIRE 560 272 560 256 WIRE 848 288 848 128 WIRE -16 320 -32 320 WIRE 80 320 64 320 WIRE 432 320 432 256 WIRE 432 320 400 320 WIRE 560 368 560 352 WIRE -96 416 -144 416 WIRE 16 416 -16 416 WIRE 80 416 16 416 WIRE 848 416 848 368 WIRE 848 416 400 416 WIRE -144 432 -144 416 WIRE 16 432 16 416 WIRE 848 432 848 416 WIRE 240 496 240 480 WIRE -144 512 -144 496 WIRE 16 512 16 496 WIRE 848 528 848 512 FLAG 240 496 0 FLAG -144 512 0 FLAG -32 320 0 FLAG -32 224 0 FLAG 512 32 0 FLAG -480 0 0 FLAG -48 144 0 FLAG -480 -112 IN FLAG 560 368 0 FLAG 656 -16 0 FLAG 848 528 0 FLAG 912 -16 0 FLAG 992 -16 0 FLAG 1248 -32 0 FLAG 1248 -144 OUT FLAG 16 512 0 FLAG -256 64 0 FLAG 1104 -16 0 FLAG 1184 -16 0 SYMBOL PowerProducts\\LT3759 240 224 R0 SYMATTR InstName U1 SYMBOL cap -160 432 R0 WINDOW 39 24 77 Left 2 SYMATTR InstName C1 SYMATTR Value 0.1µ SYMBOL res 80 304 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 41.2k SYMBOL cap 64 208 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL voltage -480 -112 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 13.6 SYMBOL cap 432 48 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 4.7µ SYMBOL res -64 -80 R0 SYMATTR InstName R2 SYMATTR Value 105k SYMBOL res -64 32 R0 SYMATTR InstName R3 SYMATTR Value 118k SYMBOL res 224 -96 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL ind2 320 -112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 15µ SYMATTR Type ind SYMATTR SpiceLine Rser=50m SYMBOL ind2 640 -16 M180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L2 SYMATTR Value 15µ SYMATTR Type ind SYMATTR SpiceLine Rser=50m SYMBOL nmos 512 144 R0 WINDOW 0 56 5 Left 2 WINDOW 3 60 79 Left 2 SYMATTR InstName Q1 SYMATTR Value RJK0651DPB SYMBOL res 544 256 R0 SYMATTR InstName R5 SYMATTR Value 5m SYMBOL cap 576 -112 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 4.7µ SYMBOL schottky 752 -112 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 832 272 R0 SYMATTR InstName R6 SYMATTR Value 105K SYMBOL res 832 416 R0 SYMATTR InstName R7 SYMATTR Value 15.8K SYMBOL cap 976 -112 R0 SYMATTR InstName C6 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL res 1232 -144 R0 SYMATTR InstName Rload SYMATTR Value 12 SYMBOL res 0 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 7.5k SYMBOL cap 896 -112 R0 SYMATTR InstName C7 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL cap -384 -128 R0 SYMATTR InstName C8 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL cap -304 -128 R0 SYMATTR InstName C9 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL cap -240 -128 R0 SYMATTR InstName C10 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL cap -160 -128 R0 SYMATTR InstName C11 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL cap 1088 -112 R0 SYMATTR InstName C5 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" SYMBOL cap 1168 -112 R0 SYMATTR InstName C12 SYMATTR Value 47µ SYMATTR SpiceLine V=10 Irms=8.919 Rser=0.005 Lser=0 mfg="KEMET" pn="C1210C106K8PAC" type="X5R" TEXT 496 -136 Bottom 2 !K1 L1 L2 1 TEXT 960 528 Left 2 !.tran 10m startup TEXT 448 -192 Bottom 2 ;LT3759 - Wide Input Voltage Range Boost/SEPIC/Inverting Controller\nSEPIC Converter with Wide Input Voltage Range\nInput: 2.8V to 36V (3V Startup, 2.5V Shutdown) Output: 12V@1.0A, Fsw = 300kHz TEXT -288 560 Left 2 ;Note:\n If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts.\n Copyright © 2011 Linear Technology Inc. All rights reserved.