Version 4 SHEET 1 4164 1764 WIRE 2224 320 1568 320 WIRE 1568 368 1568 320 WIRE 1664 368 1568 368 WIRE 2272 368 1920 368 WIRE 2368 368 2272 368 WIRE 2272 384 2272 368 WIRE 2368 384 2368 368 WIRE 1664 432 1568 432 WIRE 1936 432 1920 432 WIRE 1568 464 1568 432 WIRE 2272 480 2272 448 WIRE 2368 480 2368 464 WIRE 1664 496 1648 496 WIRE 1936 496 1920 496 WIRE 2128 496 2016 496 WIRE 2224 496 2224 320 WIRE 2224 496 2128 496 WIRE 2224 544 2224 496 WIRE 1568 560 1568 528 WIRE 1664 560 1568 560 WIRE 1952 560 1920 560 WIRE 2000 560 1952 560 WIRE 2080 560 2064 560 WIRE 2128 560 2128 496 WIRE 1568 592 1568 560 WIRE 1952 592 1952 560 WIRE 2416 592 2416 576 WIRE 2320 608 2320 576 WIRE 1568 688 1568 656 WIRE 1952 688 1952 656 WIRE 1952 688 1568 688 WIRE 2032 688 1952 688 WIRE 2128 688 2128 624 WIRE 2128 688 2096 688 WIRE 2224 688 2224 624 WIRE 2224 688 2128 688 WIRE 2320 688 2320 672 WIRE 2320 688 2224 688 WIRE 2416 688 2416 672 WIRE 2416 688 2320 688 FLAG 2368 480 0 FLAG 1648 496 0 FLAG 2368 368 IN FLAG 2272 480 0 FLAG 2320 576 0 FLAG 2080 560 0 FLAG 2416 688 OUT FLAG 2416 576 0 SYMBOL VOLTAGE 2368 368 R0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL cap 1552 464 R0 SYMATTR InstName C1 SYMATTR Value 100µ SYMBOL POWERPRODUCTS\\LT1054 1792 464 R0 SYMATTR InstName U1 SYMBOL cap 2256 384 R0 SYMATTR InstName C2 SYMATTR Value 2µ SYMBOL res 2208 528 R0 SYMATTR InstName R1 SYMATTR Value 102K SYMBOL res 2032 480 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 20K SYMBOL cap 2304 608 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMATTR SpiceLine Rser=10m SYMBOL diode 1936 656 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value 1N914 SYMBOL cap 2000 576 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 100µ SYMBOL diode 2096 704 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N914 SYMBOL cap 1552 592 R0 SYMATTR InstName C5 SYMATTR Value 10µ SYMBOL cap 2112 560 R0 SYMATTR InstName C6 SYMATTR Value .002µ SYMBOL res 2400 576 R0 SYMATTR InstName Rload SYMATTR Value 50 TEXT 2648 704 Right 2 !.tran 5m startup TEXT 1992 312 Bottom 2 ;LT1054 - Switched-Capacitor Voltage Converter with Regulator\nNegative Doubler with Regulator\nInput: 3.5V to 15V Output: -5 @ 100mA TEXT 1424 720 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 © 2012 Linear Technology Inc. All rights reserved.