initial commit
This commit is contained in:
Joseph Hopfmüller
326
examples/jigs/LTC3887-1.asc
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326
examples/jigs/LTC3887-1.asc
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Version 4
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SHEET 1 2868 1188
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WIRE -592 -384 -704 -384
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WIRE 976 -384 64 -384
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WIRE -704 -368 -704 -384
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WIRE -48 -336 -96 -336
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WIRE 832 -336 640 -336
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WIRE -704 -272 -704 -288
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WIRE -224 -240 -224 -336
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WIRE 928 -176 768 -176
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WIRE -416 -112 -416 -224
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WIRE -416 -112 -592 -112
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WIRE -48 -112 -48 -176
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WIRE 0 -112 -48 -112
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WIRE 1184 272 416 272
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WIRE 448 368 416 368
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WIRE -208 464 -256 464
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WIRE -112 464 -128 464
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WIRE 0 464 -112 464
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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 -112 480 -112 464
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WIRE 464 480 464 464
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WIRE 656 480 656 464
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WIRE -256 560 -256 544
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WIRE -112 560 -112 544
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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 -432 608
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WIRE -256 608 -320 608
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WIRE -32 608 -32 560
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WIRE -32 608 -256 608
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WIRE -256 624 -256 608
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WIRE 0 656 -128 656
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WIRE 528 656 416 656
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WIRE -256 736 -256 704
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WIRE 64 736 64 720
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WIRE 64 736 -256 736
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WIRE 656 736 64 736
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WIRE -128 752 -128 656
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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 64 832 64 816
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WIRE -128 864 -128 832
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WIRE 160 864 160 720
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WIRE 160 864 -128 864
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WIRE 256 864 256 832
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WIRE 256 864 160 864
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WIRE 528 864 528 832
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WIRE 528 864 256 864
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WIRE 352 880 352 720
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WIRE 656 880 656 848
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WIRE 656 880 352 880
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WIRE 160 896 160 864
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WIRE 656 912 656 880
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WIRE 160 992 160 960
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WIRE 656 1008 656 992
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FLAG 352 -192 0
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FLAG -592 16 0
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FLAG -880 0 0
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FLAG -976 0 0
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FLAG -976 -112 OUT1
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FLAG -704 -384 IN
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FLAG -704 -272 0
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FLAG -432 608 0
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FLAG 656 1008 0
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FLAG 976 16 0
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FLAG 1248 0 0
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FLAG 1360 0 0
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FLAG 1360 -112 OUT0
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FLAG 448 368 0
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FLAG 64 832 0
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FLAG 160 992 0
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FLAG 208 -320 0
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FLAG -224 64 0
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FLAG 640 64 0
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FLAG 656 560 0
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FLAG 464 560 0
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FLAG -256 560 0
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FLAG -112 560 0
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SYMBOL voltage -704 -384 R0
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SYMATTR InstName V1
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SYMATTR Value 12
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SYMBOL nmos -544 -256 M0
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WINDOW 0 -24 6 Left 2
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WINDOW 3 -119 101 Left 2
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SYMATTR InstName Q1
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SYMATTR Value RJK0305DPB
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SYMBOL nmos -544 -96 M0
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WINDOW 0 2 6 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 1072 -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 480 96 R0
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SYMATTR InstName C3
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SYMATTR Value .22<EFBFBD>
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SYMBOL res 928 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 -896 -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 -992 -112 R0
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SYMATTR InstName R2
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SYMATTR Value .165
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SYMBOL res -272 608 R0
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SYMATTR InstName R3
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SYMATTR Value 10K
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SYMBOL res -416 624 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 R4
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SYMATTR Value 15.8K
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SYMBOL res -144 736 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 -52 76 Left 2
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WINDOW 3 -75 30 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 -60 79 Left 2
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WINDOW 3 -83 37 Left 2
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SYMATTR InstName R10
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SYMATTR Value 3.57K
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SYMBOL nmos 928 -256 R0
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SYMATTR InstName Q3
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SYMATTR Value RJK0305DPB
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SYMBOL nmos 928 -96 R0
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WINDOW 0 88 8 Right 2
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WINDOW 3 204 92 Right 2
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SYMATTR InstName Q4
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SYMATTR Value RJK0301DPB
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SYMBOL ind -672 -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 816 -288 R0
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SYMATTR InstName C7
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SYMATTR Value .1<EFBFBD>
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SYMBOL schottky 512 -320 R270
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WINDOW 3 -4 37 VBottom 2
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WINDOW 0 32 32 VTop 2
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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 -112 96 R0
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SYMATTR InstName C8
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SYMATTR Value .22<EFBFBD>
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SYMBOL res -560 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 1232 -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 1344 -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 -8 61 Right 2
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WINDOW 3 -7 30 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 144 896 R0
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SYMATTR InstName C11
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SYMATTR Value 1<>
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SYMBOL PowerProducts\\LTC3887-1 208 272 R0
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WINDOW 39 -32 -820 Center 2
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WINDOW 40 12 -779 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 192 -304 R0
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SYMATTR InstName C12
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SYMATTR Value 1<>
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SYMBOL PowerProducts\\LTC4449 640 -96 R0
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SYMATTR InstName U2
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SYMBOL cap -432 -288 R0
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SYMATTR InstName C1
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SYMATTR Value .1<EFBFBD>
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SYMBOL schottky -96 -320 M270
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WINDOW 3 -4 37 VBottom 2
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WINDOW 0 32 32 VTop 2
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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 PowerProducts\\LTC4449 -224 -96 M0
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SYMATTR InstName U3
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SYMBOL cap 640 480 R0
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SYMATTR InstName C2
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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 -272 480 R0
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SYMATTR InstName C4
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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 -128 480 R0
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SYMATTR InstName C6
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SYMATTR Value 220p
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TEXT 744 712 Left 2 !.tran 1.1m startup
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TEXT 1472 -344 Left 2 ;NOTES FOR SIMULATION\n \nPlease read the following notes carefully since the model behaves differently from the user \ninterface for the LTC3887-1.\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 LTC3887-1 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, 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 unit 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 LTC3887-1 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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