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This commit is contained in:
Joseph Hopfmüller
298
examples/jigs/LTC3887.asc
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298
examples/jigs/LTC3887.asc
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Version 4
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SHEET 1 2732 1188
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WIRE 160 -512 160 -528
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WIRE 160 -432 160 -448
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WIRE 160 -432 -144 -432
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WIRE 448 -432 160 -432
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WIRE -240 -416 -480 -416
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WIRE 64 -416 -240 -416
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WIRE 624 -416 64 -416
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WIRE -480 -400 -480 -416
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WIRE -144 -400 -144 -432
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WIRE 448 -400 448 -432
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WIRE -240 -384 -240 -416
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WIRE 624 -384 624 -416
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WIRE 64 -368 64 -416
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WIRE 160 -368 160 -432
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WIRE 256 -368 256 -384
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WIRE 352 -368 352 -384
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WIRE -480 -304 -480 -320
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WIRE 0 -304 -192 -304
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WIRE 576 -304 416 -304
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WIRE -240 -208 -240 -288
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WIRE -224 -208 -240 -208
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WIRE -144 -208 -144 -336
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WIRE -144 -208 -160 -208
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WIRE 0 -208 -144 -208
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WIRE 448 -208 448 -336
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WIRE 448 -208 416 -208
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WIRE 464 -208 448 -208
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WIRE 624 -208 624 -288
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WIRE 624 -208 528 -208
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WIRE -528 -112 -624 -112
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WIRE -432 -112 -528 -112
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WIRE -416 -112 -432 -112
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WIRE -304 -112 -336 -112
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WIRE -240 -112 -240 -208
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WIRE -240 -112 -304 -112
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WIRE 0 -112 -240 -112
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WIRE 624 -112 624 -208
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WIRE 624 -112 416 -112
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WIRE 704 -112 624 -112
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WIRE 736 -112 704 -112
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WIRE 832 -112 816 -112
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WIRE 896 -112 832 -112
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WIRE 1008 -112 896 -112
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WIRE -624 -96 -624 -112
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WIRE -528 -96 -528 -112
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WIRE -240 -96 -240 -112
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WIRE 624 -96 624 -112
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WIRE 0 -16 -192 -16
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WIRE 576 -16 416 -16
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WIRE -528 0 -528 -32
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WIRE 1008 0 1008 -16
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WIRE -240 16 -240 0
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WIRE 624 16 624 0
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WIRE -304 80 -304 -112
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WIRE -224 80 -304 80
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WIRE -80 80 -144 80
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WIRE 0 80 -80 80
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WIRE 448 80 416 80
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WIRE 544 80 448 80
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WIRE 704 80 704 -112
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WIRE 704 80 624 80
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WIRE -80 96 -80 80
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WIRE 448 96 448 80
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WIRE -432 176 -432 -112
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WIRE -80 176 -80 160
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WIRE -80 176 -432 176
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WIRE 0 176 -80 176
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WIRE 448 176 448 160
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WIRE 448 176 416 176
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WIRE 832 176 832 -112
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WIRE 832 176 448 176
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WIRE -432 272 -432 176
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WIRE 0 272 -432 272
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WIRE 832 272 832 176
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WIRE 832 272 416 272
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WIRE 448 368 416 368
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WIRE -208 464 -272 464
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WIRE -96 464 -128 464
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WIRE 0 464 -96 464
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WIRE 464 464 416 464
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WIRE 528 464 464 464
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WIRE 656 464 608 464
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WIRE -272 480 -272 464
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WIRE -96 480 -96 464
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WIRE 464 480 464 464
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WIRE 656 480 656 464
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WIRE -272 560 -272 544
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WIRE -96 560 -96 544
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WIRE 0 560 -32 560
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WIRE 464 560 464 544
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WIRE 656 560 656 544
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WIRE -400 608 -416 608
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WIRE -272 608 -320 608
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WIRE -32 608 -32 560
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WIRE -32 608 -272 608
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WIRE -272 640 -272 608
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WIRE 0 656 -96 656
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WIRE 528 656 416 656
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WIRE -272 736 -272 720
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WIRE 64 736 64 720
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WIRE 64 736 -272 736
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WIRE 656 736 64 736
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WIRE -96 752 -96 656
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WIRE 64 752 64 736
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WIRE 256 752 256 720
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WIRE 528 752 528 656
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WIRE 656 768 656 736
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WIRE 64 848 64 816
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WIRE -96 880 -96 832
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WIRE 160 880 160 720
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WIRE 160 880 -96 880
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WIRE 256 880 256 832
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WIRE 256 880 160 880
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WIRE 528 880 528 832
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WIRE 528 880 256 880
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WIRE 352 896 352 720
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WIRE 656 896 656 848
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WIRE 656 896 352 896
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WIRE 160 912 160 880
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WIRE 656 912 656 896
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WIRE 160 992 160 976
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WIRE 656 1008 656 992
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FLAG 256 -384 0
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FLAG 352 -384 0
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FLAG 160 -528 0
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FLAG -240 16 0
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FLAG -528 0 0
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FLAG -624 0 0
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FLAG -624 -112 OUT1
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FLAG -480 -416 IN
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FLAG -480 -304 0
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FLAG -416 608 0
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FLAG 656 1008 0
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FLAG 624 16 0
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FLAG 896 0 0
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FLAG 1008 0 0
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FLAG 1008 -112 OUT0
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FLAG 448 368 0
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FLAG 64 848 0
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FLAG 160 992 0
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FLAG 656 560 0
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FLAG 464 560 0
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FLAG -272 560 0
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FLAG -96 560 0
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SYMBOL voltage -480 -416 R0
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SYMATTR InstName V1
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SYMATTR Value 12
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SYMBOL cap 144 -512 R0
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SYMATTR InstName C1
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SYMATTR Value 1<>
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SYMBOL nmos -192 -384 M0
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SYMATTR InstName Q1
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SYMATTR Value RJK0305DPB
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SYMBOL nmos -192 -96 M0
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WINDOW 0 0 2 Right 2
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WINDOW 3 25 107 Right 2
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SYMATTR InstName Q2
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SYMATTR Value RJK0301DPB
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SYMBOL ind 720 -96 R270
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WINDOW 0 32 56 VTop 2
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WINDOW 3 5 56 VBottom 2
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SYMATTR InstName L1
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SYMATTR Value .56<EFBFBD>
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SYMATTR SpiceLine Rser=1.61m
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SYMBOL cap -160 -224 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C2
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SYMATTR Value .1<EFBFBD>
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SYMBOL schottky -160 -400 R0
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SYMATTR Value CMDSH2-3
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SYMATTR InstName D1
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SYMATTR Description Diode
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SYMATTR Type diode
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SYMBOL cap 432 96 R0
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SYMATTR InstName C3
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SYMATTR Value .22<EFBFBD>
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SYMBOL res 640 64 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R1
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SYMATTR Value 1.58K
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SYMBOL cap -544 -96 R0
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SYMATTR InstName C5
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SYMATTR Value 530<33>
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SYMATTR SpiceLine Rser=5m
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SYMBOL res -640 -112 R0
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SYMATTR InstName R2
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SYMATTR Value .165
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SYMBOL res -288 624 R0
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SYMATTR InstName R3
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SYMATTR Value 10K
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SYMBOL res -304 592 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R4
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SYMATTR Value 15.8k
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SYMBOL res -112 736 R0
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SYMATTR InstName R5
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SYMATTR Value 10K
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SYMBOL res 240 736 R0
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SYMATTR InstName R6
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SYMATTR Value 4.99K
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SYMBOL res 672 864 R180
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WINDOW 0 -43 68 Left 2
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WINDOW 3 -73 35 Left 2
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SYMATTR InstName R9
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SYMATTR Value 30.1K
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SYMBOL res 672 1008 R180
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WINDOW 0 -48 73 Left 2
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WINDOW 3 -72 38 Left 2
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SYMATTR InstName R10
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SYMATTR Value 3.57K
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SYMBOL nmos 576 -384 R0
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SYMATTR InstName Q3
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SYMATTR Value RJK0305DPB
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SYMBOL nmos 576 -96 R0
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WINDOW 0 -3 20 Right 2
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WINDOW 3 28 103 Right 2
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SYMATTR InstName Q4
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SYMATTR Value RJK0301DPB
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SYMBOL ind -320 -96 M270
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WINDOW 0 32 56 VTop 2
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WINDOW 3 5 56 VBottom 2
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SYMATTR InstName L2
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SYMATTR Value 1<>
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SYMATTR SpiceLine Rser=2.3m
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SYMBOL cap 464 -224 M90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C7
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SYMATTR Value .1<EFBFBD>
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SYMBOL schottky 432 -400 R0
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SYMATTR Value CMDSH2-3
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SYMATTR InstName D2
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SYMATTR Description Diode
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SYMATTR Type diode
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SYMBOL cap -96 96 R0
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SYMATTR InstName C8
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SYMATTR Value .22<EFBFBD>
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SYMBOL res -240 96 R270
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WINDOW 0 32 56 VTop 2
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WINDOW 3 0 56 VBottom 2
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SYMATTR InstName R11
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SYMATTR Value 2K
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SYMBOL cap 880 -96 R0
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SYMATTR InstName C9
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SYMATTR Value 530<33>
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SYMATTR SpiceLine Rser=5m
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SYMBOL res 992 -112 R0
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SYMATTR InstName R12
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SYMATTR Value .025
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SYMBOL res 544 848 R180
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WINDOW 0 -5 74 Right 2
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WINDOW 3 -2 29 Right 2
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SYMATTR InstName R13
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SYMATTR Value 10K
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SYMBOL cap 48 752 R0
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SYMATTR InstName C10
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SYMATTR Value 1<>
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SYMBOL cap 144 912 R0
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SYMATTR InstName C11
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SYMATTR Value 1<>
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SYMBOL PowerProducts\\LTC3887 208 176 R0
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WINDOW 39 -31 -820 Center 2
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WINDOW 40 -28 -768 Center 2
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SYMATTR SpiceLine VIN_ON=5.5 VIN_OFF=5 Vout_0=0.5 Vout_1=2.5 Ilim0_range=1 Ilim1_range=1 OC_limit0=1 OC_limit1=1 Mode_ll=2 Fault_response=0 Retry_delay=.1m
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SYMATTR InstName U1
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SYMBOL cap 640 480 R0
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SYMATTR InstName C12
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SYMATTR Value 4.7n
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SYMBOL res 512 480 R270
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WINDOW 0 32 56 VTop 2
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WINDOW 3 0 56 VBottom 2
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SYMATTR InstName R7
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SYMATTR Value 4.99k
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SYMBOL cap 448 480 R0
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SYMATTR InstName C13
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SYMATTR Value 220p
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SYMBOL cap -288 480 R0
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SYMATTR InstName C6
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SYMATTR Value 2.2n
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SYMBOL res -112 448 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R8
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SYMATTR Value 6.04k
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SYMBOL cap -112 480 R0
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SYMATTR InstName C14
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SYMATTR Value 220p
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TEXT 704 688 Left 2 !.tran 1.2m startup
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TEXT 1152 -408 Left 2 ;NOTES FOR SIMULATION\n \nPlease read the following notes carefully since the model behaves differently from the user \ninterface for the LTC3887.\n \n(1) PMBus communication and memory address related functions and pins are not modeled. \n(2) Changes to parameter values while the simulation is running will not take effect unless the\nsimulation is stopped and restarted. This is different from the way the part operates which will\nrespond to the changes while running. \n(3) Share_clk is not modeled. The default time reference of LTspice is used as the common time \nbase for all time-related parameters.\n \n \nDESCRIPTION OF PARAMETERS\n \nThe following parameters can be defined by right-clicking on the LTC3887 symbol.\nThe nomenclature used here differs from the one in the data sheet. If any value of these parameters is\nset beyond the scope described in the data sheet, the resulting simulation will not be meaningful.\n \nVIN_ON & VIN_OFF -- in volts, set the unit start/stop input voltages.\nVout_0 & Vout_1 -- in volt, set output voltages respectively.\nIlim0_range & Ilim1_range -- set maximum sensed peak current range,\n with value 0 for low 50mV, and 1 for high 75mV.\nOC_limit0 & OC_limit1 -- set ratio of peak current limit to the maximum value defined by Ilimit_range.\n It must be one of values: 0.5, 0.572, 0.642, 0.714, 0.786, 0.858, 0.928, 1.\nMode_II -- sets light load operation mode: 0 for discontinuous, 2 for forced continuous.\nFault_response -- sets the response mode of the LTC3887 to occuring faults:\n 0 for ignore, 1 for latch-up, 2 for hiccup after Retry_delay time.\nRetry_delay -- in sec, sets the timer before the LTC3887 turns on after a fault.\n \nFreq -- in Hz, sets switching frequency as one of values of 250k, 350k, 425k, 500k, 575k, 650k, 750k, 1000k.\n FREQ_CFG pin needs to float or short to VDD25.\nPHs_0 & PHs_1 -- in degree, set phase angle related to SYNC signal. \n Certain combinations are restricted as in data sheet.\n FREQ_CFG pin needs to float or short to VDD25.\nTon0_delay & Ton0_rise; Ton1_delay & Ton1_rise -- in sec, set delay and soft-start timers for \n channel0 and channel1. Initialization time is not modeled.\nToff0_delay & Toff0_fall; Toff1_delay & Toff1_fall -- in sec, set delay and soft-off timers for \n channel0 and channel1.\nVout0_range & Vout1_range -- set maximum output range, with value 0 for 5.5V, value 1 for 2.75V.
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