Version 4 SHEET 1 1060 780 WIRE -16 -144 -128 -144 WIRE 144 -144 -16 -144 WIRE 160 -144 144 -144 WIRE 256 -144 240 -144 WIRE 288 -144 256 -144 WIRE 368 -144 352 -144 WIRE 464 -144 368 -144 WIRE 560 -144 464 -144 WIRE 672 -144 560 -144 WIRE -128 -128 -128 -144 WIRE 464 -128 464 -144 WIRE 560 -128 560 -144 WIRE 672 -128 672 -144 WIRE 144 -96 144 -144 WIRE 256 -96 256 -144 WIRE 368 -96 368 -144 WIRE 672 -48 672 -64 WIRE -128 -32 -128 -48 WIRE -16 -16 -16 -144 WIRE 80 -16 -16 -16 WIRE 464 -16 464 -64 WIRE 464 -16 432 -16 WIRE 560 -16 560 -48 WIRE 560 -16 464 -16 WIRE 560 0 560 -16 WIRE -16 80 -16 -16 WIRE 80 80 -16 80 WIRE 480 80 432 80 WIRE 480 96 480 80 WIRE 560 96 560 80 WIRE -16 176 -16 80 WIRE 80 176 -16 176 WIRE 480 176 480 160 WIRE 480 176 432 176 WIRE -16 272 -16 256 WIRE 80 272 -16 272 WIRE 480 272 432 272 WIRE 480 288 480 272 WIRE -368 368 -384 368 WIRE 80 368 -288 368 WIRE 480 368 480 352 WIRE 480 368 432 368 WIRE -144 464 -160 464 WIRE 80 464 -64 464 WIRE 464 464 432 464 WIRE 560 464 528 464 WIRE 80 560 64 560 WIRE 448 560 432 560 WIRE 544 560 528 560 WIRE 272 608 272 592 FLAG 560 96 0 FLAG -128 -32 0 FLAG 544 560 0 FLAG 560 464 0 FLAG 672 -48 0 FLAG 272 608 0 FLAG -384 368 0 FLAG -160 464 0 SYMBOL PowerProducts\\LT3572 256 272 R0 SYMATTR InstName U1 SYMBOL ind 144 -128 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rpar=2K SYMBOL schottky 288 -128 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N5819 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 544 -144 R0 SYMATTR InstName R1 SYMATTR Value 576K SYMBOL res 544 -16 R0 SYMATTR InstName R2 SYMATTR Value 24.3K SYMBOL voltage -128 -144 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL cap 448 -128 R0 SYMATTR InstName C1 SYMATTR Value 15p SYMBOL cap 656 -128 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL cap 528 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value .01µ SYMBOL res 544 544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 42.2K SYMBOL voltage -272 368 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V2 SYMATTR Value pulse(0 3.3 0 .1u .1u 10u 20u) SYMBOL voltage -48 464 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V3 SYMATTR Value pulse(0 3.3 5u .1u .1u 10u 20u) SYMBOL res -32 160 R0 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL misc\\xtal 464 96 R0 SYMATTR InstName Y1 SYMATTR Value 2.2n SYMBOL misc\\xtal 464 288 R0 SYMATTR InstName Y2 SYMATTR Value 2.2n TEXT 648 552 Left 2 !.tran 3m startup TEXT -400 624 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 © 2010 Linear Technology Inc. All rights reserved. TEXT 296 -200 Bottom 2 ;LT3572 - Dual Full-Bridge Piezo Driver with 900mA Boost Converter\nInput: 3V Output: 30V @ 50mA