Version 4 SHEET 1 2136 680 WIRE 144 -128 0 -128 WIRE 272 -128 144 -128 WIRE 432 -128 272 -128 WIRE 0 -112 0 -128 WIRE 144 -112 144 -128 WIRE 432 -112 432 -128 WIRE 272 -48 272 -128 WIRE 288 -48 272 -48 WIRE 608 -48 576 -48 WIRE 720 -48 688 -48 WIRE 816 -48 720 -48 WIRE 896 -48 816 -48 WIRE 976 -48 896 -48 WIRE 720 -32 720 -48 WIRE 816 -32 816 -48 WIRE 896 -32 896 -48 WIRE 976 -32 976 -48 WIRE 0 -16 0 -32 WIRE 144 -16 144 -48 WIRE 192 48 176 48 WIRE 288 48 256 48 WIRE 720 48 576 48 WIRE 816 48 816 32 WIRE 816 48 720 48 WIRE 720 64 720 48 WIRE 896 64 896 32 WIRE 976 64 976 48 WIRE 256 144 256 48 WIRE 288 144 256 144 WIRE 640 144 576 144 WIRE 640 160 640 144 WIRE 720 160 720 144 WIRE 384 224 384 208 WIRE 480 224 480 208 WIRE 256 256 256 144 WIRE 640 256 640 240 WIRE 640 256 256 256 FLAG 384 224 0 FLAG 480 224 0 FLAG 176 48 0 FLAG 0 -16 0 FLAG 720 160 0 FLAG 896 64 0 FLAG 976 64 0 FLAG 0 -128 IN FLAG 976 -48 OUT FLAG 144 -16 0 SYMBOL cap 256 32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2.2µ SYMBOL voltage 0 -128 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR Value 12 SYMATTR InstName V1 SYMBOL ind 592 -32 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 3.3µ SYMATTR SpiceLine Rser=10m SYMBOL res 704 -48 R0 SYMATTR InstName R1 SYMATTR Value 619K SYMBOL cap 800 -32 R0 SYMATTR InstName C2 SYMATTR Value 15p SYMBOL res 704 48 R0 SYMATTR InstName R2 SYMATTR Value 84.5K SYMBOL cap 880 -32 R0 SYMATTR InstName C3 SYMATTR Value 47µ SYMATTR SpiceLine Rser=5m SYMBOL res 960 -48 R0 SYMATTR InstName Rload SYMATTR Value 2.5 SYMBOL LTC3624 432 48 R0 SYMATTR InstName U1 SYMBOL cap 128 -112 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMBOL res 624 144 R0 SYMATTR InstName R3 SYMATTR Value 1Meg TEXT 784 240 Left 2 !.tran 3m startup TEXT 528 -152 Bottom 2 ;LTC3624 - 17V, 2A Synchronous Step-Down Regulator with 3.5µA Quiescent Current\nHigh Efficiency Buck Regulator with Ultralow Quiescent Current\nInput: 5.6V to 17V Output: 5V @ 2A, Fsw = 1MHz TEXT -160 264 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 © 2014 Linear Technology Inc. All rights reserved.