* SPICE netlist
R1 N017 0 100K
V1 IN 0 10
C1 0 N001 4.7
MQ1 IN N002 N006 N006 BSC093N04LS
MQ2 N006 N008 0 0 BSC035N04LS
D1 N001 N004 MBRS140
C2 N004 N006 .1
L1 N006 OUT1 .47 Rser=2.1m
R2 N010 N006 3.57K
R3 N010 OUT1 15K
C3 N010 OUT1 .1
C4 OUT1 0 330 X2 V=2.5 Irms=3.7 Rser=0.009 Lser=0 mfg="KEMET" pn="T520V337M2R5ASE009" type="Tantalum"
C5 OUT1 0 100 V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V107M006ASE012" type="Tantalum"
C6 N012 0 1000p Rser=15K
C7 N014 0 .001
R4 OUT1 N016 30.1K
R5 N016 0 20K
MQ3 IN N003 N007 N007 BSC093N04LS
MQ4 N007 N009 0 0 BSC035N04LS
D2 N001 N005 MBRS140
C8 N005 N007 .1
L2 N007 OUT2 .47 Rser=2.1m
R6 N011 N007 3.57K
R7 N011 OUT2 15K
C9 N011 OUT2 .1
C10 OUT2 0 330 V=2.5 Irms=3.7 Rser=0.009 Lser=0 mfg="KEMET" pn="T520V337M2R5ASE009" type="Tantalum"
C11 OUT2 0 100 V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V107M006ASE012" type="Tantalum"
C12 N013 0 1000p Rser=15K Cpar=220p
C13 N015 0 2.2
XU1 N001 N013 N001 NC_01 NC_02 NC_03 0 N017 N001 N012 N014 N016 0 N010 OUT1 N001 NC_04 NC_05 N004 N002 N006 N008 N001 IN 0 N001 NC_06 N001 N009 N007 N003 N005 N001 OUT1 N015 OUT2 N011 OUT2 LTC3876 ;pnba VttrVcc)Ith2)Vrng2)PhaseMD)Mode/PLLIN)Clkout)SGND)Rt)Vrng1)Ith1)TK/SS1)Voutsense+)Voutsense-)Sense1+)Sense1-)DTR1)Run1)Pgood)Boost1)TG1)SW1)BG1)DRVcc1)Vin)PGND)IntVcc)ExtVcc)DRVcc2)BG2)SW2)TG2)Boost2)CVcc)VDDQsns)Vttr)Sense2-)Sense2+)Vttsns
Rload2 OUT2 0 75m
Rload1 OUT1 0 75m
.tran 750u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2400 1280
WIRE -688 -640 -816 -640
WIRE 64 -640 -688 -640
WIRE 800 -640 64 -640
WIRE -816 -624 -816 -640
WIRE -368 -624 -496 -624
WIRE -240 -624 -368 -624
WIRE 160 -624 -240 -624
WIRE 256 -624 160 -624
WIRE 352 -624 256 -624
WIRE 464 -624 352 -624
WIRE 592 -624 464 -624
WIRE 864 -624 592 -624
WIRE 976 -624 864 -624
WIRE -688 -608 -688 -640
WIRE -496 -608 -496 -624
WIRE 592 -608 592 -624
WIRE 800 -608 800 -640
WIRE 864 -608 864 -624
WIRE -240 -592 -240 -624
WIRE 64 -592 64 -640
WIRE 160 -592 160 -624
WIRE 256 -592 256 -624
WIRE 352 -592 352 -624
WIRE 464 -592 464 -624
WIRE -816 -528 -816 -544
WIRE -352 -528 -640 -528
WIRE 752 -528 560 -528
WIRE 864 -528 864 -544
WIRE -496 -432 -496 -544
WIRE -352 -432 -496 -432
WIRE 592 -432 592 -544
WIRE 592 -432 560 -432
WIRE -496 -416 -496 -432
WIRE 592 -416 592 -432
WIRE -1072 -336 -1184 -336
WIRE -1008 -336 -1072 -336
WIRE -912 -336 -1008 -336
WIRE -832 -336 -912 -336
WIRE -816 -336 -832 -336
WIRE -720 -336 -736 -336
WIRE -688 -336 -688 -512
WIRE -688 -336 -720 -336
WIRE -496 -336 -496 -352
WIRE -496 -336 -688 -336
WIRE -352 -336 -496 -336
WIRE 592 -336 592 -352
WIRE 592 -336 560 -336
WIRE 800 -336 800 -512
WIRE 800 -336 592 -336
WIRE 832 -336 800 -336
WIRE 848 -336 832 -336
WIRE 944 -336 928 -336
WIRE 1008 -336 944 -336
WIRE 1104 -336 1008 -336
WIRE 1200 -336 1104 -336
WIRE -1184 -320 -1184 -336
WIRE -1008 -320 -1008 -336
WIRE -912 -320 -912 -336
WIRE -688 -320 -688 -336
WIRE 800 -320 800 -336
WIRE 1008 -320 1008 -336
WIRE 1104 -320 1104 -336
WIRE 1200 -320 1200 -336
WIRE -352 -240 -640 -240
WIRE 752 -240 560 -240
WIRE -1184 -224 -1184 -240
WIRE -1008 -224 -1008 -256
WIRE -912 -224 -912 -256
WIRE 1008 -224 1008 -256
WIRE 1104 -224 1104 -256
WIRE 1200 -224 1200 -240
WIRE -688 -208 -688 -224
WIRE 800 -208 800 -224
WIRE -720 -144 -720 -336
WIRE -688 -144 -720 -144
WIRE -544 -144 -608 -144
WIRE -448 -144 -544 -144
WIRE -352 -144 -448 -144
WIRE 592 -144 560 -144
WIRE 672 -144 592 -144
WIRE 736 -144 672 -144
WIRE 832 -144 832 -336
WIRE 832 -144 816 -144
WIRE -448 -128 -448 -144
WIRE 592 -128 592 -144
WIRE -832 -48 -832 -336
WIRE -544 -48 -544 -64
WIRE -544 -48 -832 -48
WIRE -448 -48 -448 -64
WIRE -448 -48 -544 -48
WIRE -352 -48 -448 -48
WIRE 592 -48 592 -64
WIRE 592 -48 560 -48
WIRE 672 -48 672 -64
WIRE 672 -48 592 -48
WIRE 944 -48 944 -336
WIRE 944 -48 672 -48
WIRE -480 48 -512 48
WIRE -352 48 -416 48
WIRE 672 48 560 48
WIRE 784 48 736 48
WIRE -368 144 -368 -624
WIRE -368 144 -560 144
WIRE -352 144 -368 144
WIRE 592 144 560 144
WIRE -832 240 -832 -48
WIRE -480 240 -512 240
WIRE -352 240 -416 240
WIRE 656 240 560 240
WIRE 784 240 720 240
WIRE -832 336 -832 320
WIRE -352 336 -832 336
WIRE 944 336 944 -48
WIRE 944 336 560 336
WIRE -832 352 -832 336
WIRE -352 432 -368 432
WIRE -832 448 -832 432
WIRE -560 512 -560 144
WIRE -240 512 -240 496
WIRE -240 512 -560 512
WIRE -32 512 -32 496
WIRE 64 512 64 496
WIRE 160 512 160 496
WIRE 464 512 464 496
WIRE 976 512 976 -624
WIRE 976 512 464 512
WIRE -32 608 -32 592
WIRE -1072 640 -1072 -336
WIRE 592 640 592 144
WIRE 592 640 -1072 640
FLAG 64 512 0
FLAG 160 512 0
FLAG -32 608 0
FLAG -816 -528 0
FLAG 864 -528 0
FLAG -688 -208 0
FLAG -912 -224 0
FLAG -1008 -224 0
FLAG -1184 -224 0
FLAG -512 48 0
FLAG -512 240 0
FLAG -832 448 0
FLAG -368 432 0
FLAG -816 -640 IN
FLAG -1184 -336 OUT1
FLAG 800 -208 0
FLAG 1008 -224 0
FLAG 1104 -224 0
FLAG 1200 -224 0
FLAG 784 48 0
FLAG 784 240 0
FLAG 1200 -336 OUT2
SYMBOL res -48 496 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL voltage -816 -640 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 848 -544 M180
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL nmos -640 -608 M0
SYMATTR InstName Q1
SYMATTR Value BSC093N04LS
SYMBOL nmos -640 -320 M0
SYMATTR InstName Q2
SYMATTR Value BSC035N04LS
SYMBOL schottky -512 -608 R0
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -512 -416 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL ind -720 -320 M270
SYMATTR InstName L1
SYMATTR Value .47
SYMATTR SpiceLine Rser=2.1m
SYMBOL res -592 -160 R90
SYMATTR InstName R2
SYMATTR Value 3.57K
SYMBOL res -560 -160 R0
SYMATTR InstName R3
SYMATTR Value 15K
SYMBOL cap -464 -128 R0
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL polcap -928 -320 R0
SYMATTR Value 330
SYMATTR Value2 X2
SYMATTR InstName C4
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2.5 Irms=3.7 Rser=0.009 Lser=0 mfg="KEMET" pn="T520V337M2R5ASE009" type="Tantalum"
SYMBOL polcap -1024 -320 R0
SYMATTR Value 100
SYMATTR InstName C5
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V107M006ASE012" type="Tantalum"
SYMBOL cap -416 32 R90
SYMATTR InstName C6
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=15K
SYMBOL cap -416 224 R90
SYMATTR InstName C7
SYMATTR Value .001
SYMBOL res -848 224 R0
SYMATTR InstName R4
SYMATTR Value 30.1K
SYMBOL res -848 336 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL nmos 752 -608 R0
SYMATTR InstName Q3
SYMATTR Value BSC093N04LS
SYMBOL nmos 752 -320 R0
SYMATTR InstName Q4
SYMATTR Value BSC035N04LS
SYMBOL schottky 576 -608 R0
SYMATTR InstName D2
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 576 -416 R0
SYMATTR InstName C8
SYMATTR Value .1
SYMBOL ind 832 -320 R270
SYMATTR InstName L2
SYMATTR Value .47
SYMATTR SpiceLine Rser=2.1m
SYMBOL res 720 -160 M90
SYMATTR InstName R6
SYMATTR Value 3.57K
SYMBOL res 656 -160 R0
SYMATTR InstName R7
SYMATTR Value 15K
SYMBOL cap 576 -128 R0
SYMATTR InstName C9
SYMATTR Value .1
SYMBOL polcap 992 -320 R0
SYMATTR Value 330
SYMATTR InstName C10
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2.5 Irms=3.7 Rser=0.009 Lser=0 mfg="KEMET" pn="T520V337M2R5ASE009" type="Tantalum"
SYMBOL polcap 1088 -320 R0
SYMATTR Value 100
SYMATTR InstName C11
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V107M006ASE012" type="Tantalum"
SYMBOL cap 672 32 M90
SYMATTR InstName C12
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=15K Cpar=220p
SYMBOL cap 656 224 M90
SYMATTR InstName C13
SYMATTR Value 2.2
SYMBOL PowerProducts\\LTC3876 112 -48 R0
SYMATTR InstName U1
SYMBOL res 1184 -336 R0
SYMATTR Value 75m
SYMATTR InstName Rload2
SYMBOL res -1200 -336 R0
SYMATTR Value 75m
SYMATTR InstName Rload1