Version 4 SHEET 1 1196 764 WIRE 208 -96 176 -96 WIRE 320 -96 288 -96 WIRE 176 -48 176 -96 WIRE 320 -48 320 -96 WIRE -240 -32 -352 -32 WIRE -144 -32 -240 -32 WIRE -48 -32 -144 -32 WIRE 16 -32 -48 -32 WIRE -352 -16 -352 -32 WIRE -240 -16 -240 -32 WIRE -144 -16 -144 -32 WIRE -48 -16 -48 -32 WIRE 16 16 16 -32 WIRE 64 16 16 16 WIRE 576 16 448 16 WIRE 704 16 576 16 WIRE 816 16 704 16 WIRE 576 32 576 16 WIRE 704 32 704 16 WIRE 816 32 816 16 WIRE -352 80 -352 64 WIRE -240 80 -240 48 WIRE -144 80 -144 48 WIRE -48 80 -48 64 WIRE 48 80 -48 80 WIRE 64 80 48 80 WIRE 464 80 448 80 WIRE -48 96 -48 80 WIRE 576 128 576 96 WIRE 704 128 704 96 WIRE 816 128 816 112 WIRE 480 144 448 144 WIRE 512 144 480 144 WIRE 512 160 512 144 WIRE -48 176 -48 160 WIRE -32 208 -80 208 WIRE 64 208 -32 208 WIRE 480 208 480 144 WIRE 480 208 448 208 WIRE -32 240 -32 208 WIRE 48 272 48 80 WIRE 64 272 48 272 WIRE 512 272 512 240 WIRE 512 272 448 272 WIRE 512 288 512 272 WIRE -32 336 -32 320 WIRE 64 336 -32 336 WIRE 464 336 448 336 WIRE -80 368 -80 208 WIRE 464 400 448 400 WIRE 560 400 544 400 WIRE -80 464 -80 448 WIRE 64 464 -80 464 WIRE 496 464 448 464 WIRE -80 480 -80 464 WIRE 496 480 496 464 WIRE 176 544 176 528 WIRE 320 544 320 528 WIRE 496 560 496 544 WIRE -80 576 -80 560 FLAG 464 80 0 FLAG 816 128 0 FLAG 560 400 0 FLAG 512 288 0 FLAG 320 544 0 FLAG 176 544 0 FLAG -352 80 0 FLAG 496 560 0 FLAG -352 -32 IN FLAG 816 16 OUT FLAG -144 80 0 FLAG -240 80 0 FLAG 576 128 0 FLAG -48 176 0 FLAG 704 128 0 FLAG -80 576 0 SYMBOL ind 192 -80 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 3.3µ SYMATTR SpiceLine Rser=1m SYMBOL res 496 144 R0 SYMATTR InstName R1 SYMATTR Value 7.5m SYMBOL res 560 384 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 7.15K SYMBOL voltage -352 -32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 6 SYMBOL cap 480 480 R0 SYMATTR InstName C1 SYMATTR Value .01µ SYMBOL res -48 336 M180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R3 SYMATTR Value 100K SYMBOL cap -256 -16 R0 SYMATTR InstName C2 SYMATTR Value 150µ SYMATTR SpiceLine Rser=35m SYMBOL cap -160 -16 R0 SYMATTR InstName C3 SYMATTR Value 10µ SYMATTR SpiceLine Rser=20m SYMBOL cap 560 32 R0 WINDOW 3 35 39 Left 0 WINDOW 40 32 71 Left 0 SYMATTR Value 180µ SYMATTR SpiceLine2 x2 SYMATTR InstName C4 SYMATTR SpiceLine Rser=32m SYMBOL res -96 352 R0 SYMATTR InstName R4 SYMATTR Value 4.64K SYMBOL res -96 464 R0 SYMATTR InstName R5 SYMATTR Value 1.21K SYMBOL res -64 -32 R0 SYMATTR InstName R6 SYMATTR Value 51K SYMBOL zener -64 160 M180 WINDOW 0 25 66 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value 1N750 SYMBOL cap 688 32 R0 WINDOW 3 39 35 Left 0 WINDOW 40 32 67 Left 0 SYMATTR Value 22µ SYMATTR SpiceLine2 x2 SYMATTR InstName C5 SYMATTR SpiceLine Rser=5m SYMBOL PowerProducts\\LTM4607 256 240 R0 SYMATTR InstName U1 SYMBOL res 800 16 R0 SYMATTR InstName Rload SYMATTR Value 2.4 TEXT 656 520 Left 0 !.tran 10m startup TEXT 264 -144 Bottom 0 ;LTM4607 - 36 VIN, 24 VOUT Buck-Boost DC/DC uModule\nInput: 6V Output: 12V @ 5A TEXT -280 592 Left 0 ;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 © 2008 Linear Technology Inc. All rights reserved.