Version 4 SHEET 1 1792 904 WIRE 96 64 0 64 WIRE 192 64 96 64 WIRE 272 64 192 64 WIRE 480 64 272 64 WIRE 0 96 0 64 WIRE 272 96 272 64 WIRE 480 96 480 64 WIRE 96 112 96 64 WIRE 192 112 192 64 WIRE 832 144 752 144 WIRE 960 144 832 144 WIRE 1040 144 960 144 WIRE 1136 144 1040 144 WIRE 1200 144 1136 144 WIRE 1200 160 1200 144 WIRE 960 176 960 144 WIRE 1040 176 1040 144 WIRE 0 208 0 176 WIRE 96 208 96 176 WIRE 192 208 192 176 WIRE 272 208 272 176 WIRE 368 208 272 208 WIRE 832 208 752 208 WIRE 832 224 832 208 WIRE 1200 256 1200 240 WIRE 1200 256 1152 256 WIRE 784 272 752 272 WIRE 960 272 960 240 WIRE 1040 272 1040 240 WIRE 1200 272 1200 256 WIRE 832 320 832 304 WIRE 368 336 320 336 WIRE 784 336 784 272 WIRE 784 336 752 336 WIRE 320 400 320 336 WIRE 368 400 320 400 WIRE 1136 400 1136 144 WIRE 1136 400 752 400 WIRE 272 464 256 464 WIRE 368 464 352 464 WIRE 1152 464 1152 256 WIRE 1152 464 752 464 WIRE 288 592 256 592 WIRE 368 592 352 592 WIRE 480 672 480 656 WIRE 640 672 640 656 FLAG 480 672 0 FLAG 640 672 0 FLAG 832 320 0 FLAG 0 64 IN FLAG 1200 144 OUT FLAG 192 208 0 FLAG 0 208 0 FLAG 960 272 0 FLAG 1040 272 0 FLAG 1200 272 0 FLAG 96 208 0 FLAG 256 592 0 FLAG 256 464 0 SYMBOL voltage 0 80 R0 WINDOW 123 0 0 Left 2 WINDOW 39 12 125 Left 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL res 816 208 R0 SYMATTR InstName R1 SYMATTR Value 19.1K SYMBOL cap 944 176 R0 SYMATTR InstName C1 SYMATTR Value 22µ SYMATTR SpiceLine Rser=5m SYMBOL cap 176 112 R0 SYMATTR InstName C2 SYMATTR Value 47µ SYMBOL cap 1024 176 R0 WINDOW 40 27 69 Left 2 WINDOW 3 40 36 Left 2 SYMATTR SpiceLine2 x2 SYMATTR InstName C3 SYMATTR Value 100µ SYMATTR SpiceLine Rser=3m SYMBOL res 256 80 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL cap 816 144 R0 WINDOW 0 28 15 Left 2 WINDOW 3 29 55 Left 2 SYMATTR InstName C4 SYMATTR Value 100p SYMBOL cap 352 576 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 2200p SYMBOL PowerProducts\\LTM4601HV 560 352 R0 SYMATTR InstName U1 SYMBOL res 368 448 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 392K SYMBOL cap 80 112 R0 SYMATTR InstName C6 SYMATTR Value 150µ SYMATTR SpiceLine Rser=9m SYMBOL res 1184 144 R0 SYMATTR InstName Rload SYMATTR Value .208 TEXT 968 576 Left 2 !.tran 1.5m startup TEXT 624 24 Bottom 2 ;LTM4601HV - 12A, High Efficiency Step-Down DC/DC µModule in 15mm×15mm×2.8mm LGA package\nInput: 12V Output: 2.5V @ 12A TEXT -32 688 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 © 2009 Linear Technology Inc. All rights reserved.