* SPICE netlist
XU1 NC_01 N025 N022 N023 N005 N011 0 N007 N006 N026 N027 N014 N017 OUT N016 NC_02 N011 NC_03 NC_04 NC_05 MP_06 N020 N021 N019 N024 0 OUT MP_07 N003 MP_08 N002 MP_09 N004 MP_10 0 N015 N010 N013 N012 MP_11 NC_12 NC_13 N018 NC_14 NC_15 N008 OUT N009 LTC3871 ;pnba SS)VFBLow)ITHLow)ITHHigh)VFBHigh)V5)SGND)OVHigh)UVHigh)OVLow)IMON)SETCUR)SNSA2+)SNS2-)SNSD2+)BUCK)ILIM)RUN)_Fault)DRVSet))TG2)SW2)Boost2)BG2)PGND2)EXTVcc))DRVcc))VHigh))PGate))PGND1)BG1)Boost1)SW1)TG1))CLKOut)SYNC)FREQ)Mode)PHSMD)SNSD1+)SNS1-)SNSA1+
V1 IN 0 48
M1 IN N004 N001 N001 Si7489DP
R1 N001 N002 2.2
C1 0 N003 4.7
M2 N001 N012 N013 N013 BSC123N08NS3 m=2
M3 N013 N015 0 0 BSC042NE7NS3 m=2
L1 N013 N008 10 Rser=2.4m
R2 N008 OUT 3m
C2 N010 N013 .22
D1 N003 N010 BAT46WJ
C3 OUT N009 .22
R3 OUT N009 300
R4 N009 N013 3.74K
M4 N001 N020 N021 N021 BSC123N08NS3 m=2
M5 N021 N024 0 0 BSC042NE7NS3 m=2
L2 N021 N016 10 Rser=2.4m
R5 N016 OUT 3m
C4 N019 N021 .22
D2 N003 N019 BAT46WJ
C5 OUT N017 .22
R6 OUT N017 300
R7 N017 N021 3.74K
C6 OUT 0 10 x2 V=25 Irms=7.16 Rser=0.00732742 Lser=0 mfg="KEMET" pn="C1206C106K3PAC" type="X5R"
C7 OUT 0 1 x2 V=16 Irms=3.41 Rser=0.0133158 Lser=0 mfg="KEMET" pn="C1206C105K4RAC" type="X7R"
C8 OUT 0 100 x2 V=25 Irms=2.02896 Rser=0.06 Lser=0 mfg="KEMET" pn="T521X107M025ATE060" type="Tantalum"
R8 OUT N025 90.9K
R9 N025 0 10K
R10 OUT N026 100K
R11 N026 0 10K
R12 IN N007 649K
R13 N007 0 10K
R14 IN N006 243K
R15 N006 0 10K
R16 IN N005 499K
R17 N005 0 12.7K
C9 N011 0 4.7
C10 N002 0 .1
R19 N014 0 280K
R20 N018 0 41.2K
C11 N022 0 10n Rser=1.5K Cpar=470p
C12 N023 0 10n Rser=1.5K Cpar=470p
C13 N027 0 10p
Rload OUT 0 .48
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2368 1744
WIRE -1056 -872 -1184 -872
WIRE -928 -872 -1056 -872
WIRE -800 -872 -928 -872
WIRE -624 -872 -800 -872
WIRE -448 -872 -528 -872
WIRE 240 -872 -448 -872
WIRE -1184 -856 -1184 -872
WIRE -448 -856 -448 -872
WIRE 608 -856 -256 -856
WIRE -160 -824 -160 -840
WIRE -368 -776 -448 -776
WIRE -288 -776 -304 -776
WIRE -1184 -760 -1184 -776
WIRE -1056 -760 -1056 -872
WIRE -928 -760 -928 -872
WIRE -800 -760 -800 -872
WIRE -160 -744 -160 -760
WIRE 48 -744 -160 -744
WIRE -544 -728 -544 -824
WIRE -448 -728 -448 -776
WIRE -256 -728 -256 -856
WIRE -160 -728 -160 -744
WIRE -1056 -664 -1056 -680
WIRE -960 -664 -1056 -664
WIRE -928 -664 -928 -680
WIRE -832 -664 -928 -664
WIRE -800 -664 -800 -680
WIRE -704 -664 -800 -664
WIRE 96 -664 0 -664
WIRE 176 -664 96 -664
WIRE 608 -664 608 -856
WIRE 608 -664 176 -664
WIRE -1056 -648 -1056 -664
WIRE -928 -648 -928 -664
WIRE -800 -648 -800 -664
WIRE -704 -568 -736 -568
WIRE 480 -568 0 -568
WIRE -1056 -552 -1056 -568
WIRE -928 -552 -928 -568
WIRE -800 -552 -800 -568
WIRE 96 -552 96 -664
WIRE 176 -552 176 -664
WIRE -832 -520 -832 -664
WIRE -736 -520 -736 -568
WIRE -736 -520 -832 -520
WIRE 48 -488 48 -744
WIRE 48 -488 16 -488
WIRE -960 -472 -960 -664
WIRE -704 -472 -960 -472
WIRE 96 -472 96 -488
WIRE 96 -472 0 -472
WIRE 176 -472 96 -472
WIRE 368 -472 176 -472
WIRE 48 -456 48 -488
WIRE 240 -408 240 -872
WIRE 272 -408 240 -408
WIRE 368 -408 368 -472
WIRE 48 -376 48 -392
WIRE 48 -376 0 -376
WIRE 240 -360 240 -408
WIRE -720 -280 -816 -280
WIRE -704 -280 -720 -280
WIRE 192 -280 0 -280
WIRE -816 -264 -816 -280
WIRE 48 -264 48 -376
WIRE 240 -232 240 -264
WIRE 368 -232 368 -328
WIRE 368 -232 240 -232
WIRE 384 -232 368 -232
WIRE 480 -232 480 -568
WIRE 480 -232 464 -232
WIRE 496 -232 480 -232
WIRE 608 -232 608 -664
WIRE 608 -232 576 -232
WIRE -816 -184 -816 -200
WIRE 48 -184 48 -200
WIRE 48 -184 0 -184
WIRE 240 -184 240 -232
WIRE 240 -184 48 -184
WIRE 240 -168 240 -184
WIRE 16 -136 16 -488
WIRE 48 -136 16 -136
WIRE -704 -88 -816 -88
WIRE 192 -88 0 -88
WIRE -816 -72 -816 -88
WIRE -720 8 -720 -280
WIRE -704 8 -720 8
WIRE 240 8 240 -72
WIRE 240 8 0 8
WIRE -816 24 -816 8
WIRE 240 24 240 8
WIRE 96 104 0 104
WIRE 176 104 96 104
WIRE 608 104 608 -232
WIRE 608 104 176 104
WIRE 480 200 0 200
WIRE 96 216 96 104
WIRE 176 216 176 104
WIRE 96 296 96 280
WIRE 96 296 0 296
WIRE 176 296 96 296
WIRE 368 296 176 296
WIRE 48 312 48 -136
WIRE 368 360 368 296
WIRE 272 376 272 -408
WIRE 272 376 240 376
WIRE -832 392 -848 392
WIRE -704 392 -752 392
WIRE 48 392 48 376
WIRE 48 392 0 392
WIRE 240 408 240 376
WIRE 192 488 0 488
WIRE 48 504 48 392
WIRE 240 536 240 504
WIRE 368 536 368 440
WIRE 368 536 240 536
WIRE 384 536 368 536
WIRE 480 536 480 200
WIRE 480 536 464 536
WIRE 496 536 480 536
WIRE 608 536 608 104
WIRE 608 536 576 536
WIRE 752 536 608 536
WIRE 864 536 752 536
WIRE 976 536 864 536
WIRE 1072 536 976 536
WIRE 1184 536 1072 536
WIRE 864 552 864 536
WIRE 976 552 976 536
WIRE 1072 552 1072 536
WIRE 1184 552 1184 536
WIRE -848 584 -864 584
WIRE -704 584 -784 584
WIRE 48 584 48 568
WIRE 48 584 0 584
WIRE 240 584 240 536
WIRE 240 584 48 584
WIRE 608 584 608 536
WIRE 752 584 752 536
WIRE 240 600 240 584
WIRE 864 648 864 616
WIRE 976 648 976 616
WIRE 1072 648 1072 616
WIRE 1184 648 1184 632
WIRE -848 680 -864 680
WIRE -704 680 -784 680
WIRE 192 680 0 680
WIRE 608 696 608 664
WIRE 608 696 528 696
WIRE 752 696 752 664
WIRE 752 696 688 696
WIRE 608 728 608 696
WIRE 752 728 752 696
WIRE -704 776 -768 776
WIRE 240 776 240 696
WIRE 240 776 0 776
WIRE -768 792 -768 776
WIRE 240 792 240 776
WIRE 608 824 608 808
WIRE 752 824 752 808
WIRE -160 856 -160 840
WIRE 528 856 528 696
WIRE 528 856 -160 856
WIRE -768 872 -768 856
WIRE -352 872 -352 840
WIRE -256 872 -256 840
WIRE 688 872 688 696
WIRE 688 872 -256 872
FLAG -352 872 0
FLAG -1184 -760 0
FLAG -160 -840 0
FLAG 864 648 0
FLAG 976 648 0
FLAG 1072 648 0
FLAG 608 824 0
FLAG 752 824 0
FLAG 240 24 0
FLAG 240 792 0
FLAG -800 -552 0
FLAG -928 -552 0
FLAG -1056 -552 0
FLAG -816 -184 0
FLAG -288 -776 0
FLAG -816 24 0
FLAG -848 392 0
FLAG -864 584 0
FLAG -864 680 0
FLAG -768 872 0
FLAG 1184 648 0
FLAG -1184 -872 IN
FLAG 1184 536 OUT
SYMBOL PowerProducts\\LTC3871 -352 56 R0
SYMATTR InstName U1
SYMBOL VOLTAGE -1184 -872 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL PMOS -624 -824 R270
SYMATTR InstName M1
SYMATTR Value Si7489DP
SYMBOL res -464 -872 R0
SYMATTR InstName R1
SYMATTR Value 2.2
SYMBOL cap -176 -824 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL NMOS 192 -360 R0
SYMATTR Value2 m=2
SYMATTR InstName M2
SYMATTR Value BSC123N08NS3
SYMBOL NMOS 192 -168 R0
SYMATTR Value2 m=2
SYMATTR InstName M3
SYMATTR Value BSC042NE7NS3
SYMBOL ind 368 -216 R270
SYMATTR InstName L1
SYMATTR Value 10
SYMATTR SpiceLine Rser=2.4m
SYMBOL res 480 -216 R270
SYMATTR InstName R2
SYMATTR Value 3m
SYMBOL cap 32 -264 R0
SYMATTR InstName C2
SYMATTR Value .22
SYMBOL schottky 32 -456 R0
SYMATTR InstName D1
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 80 -552 R0
SYMATTR InstName C3
SYMATTR Value .22
SYMBOL res 160 -568 R0
SYMATTR InstName R3
SYMATTR Value 300
SYMBOL res 352 -424 R0
SYMATTR InstName R4
SYMATTR Value 3.74K
SYMBOL NMOS 192 408 R0
SYMATTR Value2 m=2
SYMATTR InstName M4
SYMATTR Value BSC123N08NS3
SYMBOL NMOS 192 600 R0
SYMATTR Value2 m=2
SYMATTR InstName M5
SYMATTR Value BSC042NE7NS3
SYMBOL ind 368 552 R270
SYMATTR InstName L2
SYMATTR Value 10
SYMATTR SpiceLine Rser=2.4m
SYMBOL res 480 552 R270
SYMATTR InstName R5
SYMATTR Value 3m
SYMBOL cap 32 504 R0
SYMATTR InstName C4
SYMATTR Value .22
SYMBOL schottky 32 312 R0
SYMATTR InstName D2
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 80 216 R0
SYMATTR InstName C5
SYMATTR Value .22
SYMBOL res 160 200 R0
SYMATTR InstName R6
SYMATTR Value 300
SYMBOL res 352 344 R0
SYMATTR InstName R7
SYMATTR Value 3.74K
SYMBOL cap 848 552 R0
SYMATTR Value2 x2
SYMATTR InstName C6
SYMATTR Value 10
SYMATTR SpiceLine V=25 Irms=7.16 Rser=0.00732742 Lser=0 mfg="KEMET" pn="C1206C106K3PAC" type="X5R"
SYMBOL cap 960 552 R0
SYMATTR Value2 x2
SYMATTR InstName C7
SYMATTR Value 1
SYMATTR SpiceLine V=16 Irms=3.41 Rser=0.0133158 Lser=0 mfg="KEMET" pn="C1206C105K4RAC" type="X7R"
SYMBOL polcap 1056 552 R0
SYMATTR Value 100
SYMATTR Value2 x2
SYMATTR InstName C8
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=25 Irms=2.02896 Rser=0.06 Lser=0 mfg="KEMET" pn="T521X107M025ATE060" type="Tantalum"
SYMBOL res 592 568 R0
SYMATTR InstName R8
SYMATTR Value 90.9K
SYMBOL res 592 712 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL res 736 568 R0
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL res 736 712 R0
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL res -816 -776 R0
SYMATTR InstName R12
SYMATTR Value 649K
SYMBOL res -816 -664 R0
SYMATTR InstName R13
SYMATTR Value 10K
SYMBOL res -944 -776 R0
SYMATTR InstName R14
SYMATTR Value 243K
SYMBOL res -944 -664 R0
SYMATTR InstName R15
SYMATTR Value 10K
SYMBOL res -1072 -776 R0
SYMATTR InstName R16
SYMATTR Value 499K
SYMBOL res -1072 -664 R0
SYMATTR InstName R17
SYMATTR Value 12.7K
SYMBOL cap -832 -264 R0
SYMATTR InstName C9
SYMATTR Value 4.7
SYMBOL cap -368 -792 M90
SYMATTR InstName C10
SYMATTR Value .1
SYMBOL res -832 -88 R0
SYMATTR InstName R19
SYMATTR Value 280K
SYMBOL res -736 376 R90
SYMATTR InstName R20
SYMATTR Value 41.2K
SYMBOL cap -784 568 R90
SYMATTR InstName C11
SYMATTR Value 10n
SYMATTR SpiceLine Rser=1.5K Cpar=470p
SYMBOL cap -784 664 R90
SYMATTR InstName C12
SYMATTR Value 10n
SYMATTR SpiceLine Rser=1.5K Cpar=470p
SYMBOL cap -784 792 R0
SYMATTR InstName C13
SYMATTR Value 10p
SYMBOL res 1168 536 R0
SYMATTR InstName Rload
SYMATTR Value .48