* SPICE netlist
XU1 N018 N015 0 N017 N017 N016 0 N018 N012 OUT N014 NC_01 NC_02 NC_03 N019 NC_04 NC_05 NC_06 NC_07 N008 N004 N006 N010 NC_08 N002 IN N009 N005 N003 N007 NC_09 NC_10 NC_11 NC_12 N001 NC_13 NC_14 N013 OUT N011 0 LTC3875 ;pnba TK/SS1)Vosns1+)Vosns1-)Ith1)Ith2)Vosns2+)Vosns2-)TK/SS2)SNSA2+)SNS2-)SNSD2+)Tcomp2/Itemp2)Tavg)Trset2)Freq)Run2)Ifast)ENtmpB)Pgood)SW2)TG2)Boost2)BG2)ExtVcc)IntVcc)Vin)BG1)Boost1)TG1)SW1)Clkout)PhaseMD)Mode/PLLIN)Run1)Ilim)Trset1)Tcomp1/Itemp1)SNSD1+)SNS1-)SNSA1+)SGND
V1 IN 0 12
C1 0 N002 4.7
M1 IN N003 N007 N007 BSC050NE2LS
M2 N007 N009 0 0 BSC010NE2LSI
L1 N007 OUT .3 Rser=.32m
C2 N005 N007 .1
D1 N002 N005 BAT54
C3 N011 OUT 220n
C4 OUT N013 220n
R1 N007 N011 845
R2 N007 N013 4.22K
R3 OUT N015 20K
R4 N015 0 20K
C5 N017 0 1500p Rser=15K Cpar=200p
C6 N018 0 .005
M3 IN N004 N008 N008 BSC050NE2LS
M4 N008 N010 0 0 BSC010NE2LSI
L2 N008 OUT .3 Rser=.32m
C7 N006 N008 .1
D2 N002 N006 BAT54
C8 N012 OUT 220n
C9 OUT N014 220n
R5 N008 N012 845
R6 N008 N014 4.22K
R7 OUT N016 20K
R8 N016 0 20K
R9 N019 0 122K
C10 OUT 0 470 x2 V=4 Irms=6.5 Rser=0.006 Lser=0 mfg="KEMET" pn="T530D477M004ASE006" type="Tantalum"
C11 OUT 0 470 x2 V=4 Irms=6.5 Rser=0.006 Lser=0 mfg="KEMET" pn="T530D477M004ASE006" type="Tantalum"
Rload OUT 0 20m
R10 N002 N001 30K
R11 N001 0 10K
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2528 1488
WIRE -272 -728 -288 -728
WIRE -176 -728 -192 -728
WIRE -160 -728 -176 -728
WIRE -32 -728 -80 -728
WIRE -784 -664 -864 -664
WIRE -80 -664 -784 -664
WIRE 592 -664 -80 -664
WIRE -32 -648 -32 -728
WIRE -32 -648 -592 -648
WIRE 16 -648 16 -680
WIRE 16 -648 -32 -648
WIRE 448 -648 16 -648
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WIRE 592 -632 592 -664
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WIRE 544 -552 416 -552
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WIRE 1008 232 1008 216
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WIRE 544 312 432 312
WIRE 624 312 608 312
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WIRE 448 408 416 408
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WIRE 432 712 432 312
WIRE 432 712 -512 712
WIRE -528 728 -528 408
WIRE 448 728 448 408
WIRE 448 728 -528 728
WIRE -1136 744 -1136 -360
WIRE 1104 744 1104 -360
WIRE 1104 744 -1136 744
FLAG -32 584 0
FLAG -864 -536 0
FLAG 16 -744 0
FLAG -784 -216 0
FLAG -512 216 0
FLAG -1104 232 0
FLAG 624 312 0
FLAG -624 408 0
FLAG 592 -216 0
FLAG 432 216 0
FLAG 1008 232 0
FLAG -224 680 0
FLAG -1248 -248 0
FLAG 1152 -248 0
FLAG 1264 -248 0
FLAG 1264 -360 OUT
FLAG -864 -664 IN
FLAG -288 -728 0
SYMBOL PowerProducts\\LTC3875 -32 -24 R0
SYMATTR InstName U1
SYMBOL voltage -864 -648 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 0 -744 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL nmos -736 -632 M0
SYMATTR InstName M1
SYMATTR Value BSC050NE2LS
SYMBOL nmos -736 -344 M0
SYMATTR InstName M2
SYMATTR Value BSC010NE2LSI
SYMBOL ind -944 -344 M270
SYMATTR InstName L1
SYMATTR Value .3
SYMATTR SpiceLine Rser=.32m
SYMBOL cap -608 -440 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL schottky -608 -632 R0
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -592 -152 R0
SYMATTR InstName C3
SYMATTR Value 220n
SYMBOL cap -592 -56 R0
SYMATTR InstName C4
SYMATTR Value 220n
SYMBOL res -896 -328 R0
SYMATTR InstName R1
SYMATTR Value 845
SYMBOL res -960 -184 R0
SYMATTR InstName R2
SYMATTR Value 4.22K
SYMBOL res -1120 -8 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL res -1120 120 R0
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL cap 544 296 M90
SYMATTR InstName C5
SYMATTR Value 1500p
SYMATTR SpiceLine Rser=15K Cpar=200p
SYMBOL cap -544 392 R90
SYMATTR InstName C6
SYMATTR Value .005
SYMBOL nmos 544 -632 R0
SYMATTR InstName M3
SYMATTR Value BSC050NE2LS
SYMBOL nmos 544 -344 R0
SYMATTR InstName M4
SYMATTR Value BSC010NE2LSI
SYMBOL ind 896 -344 R270
SYMATTR InstName L2
SYMATTR Value .3
SYMATTR SpiceLine Rser=.32m
SYMBOL cap 432 -440 R0
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL schottky 432 -632 R0
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 480 -152 R0
SYMATTR InstName C8
SYMATTR Value 220n
SYMBOL cap 480 -56 R0
SYMATTR InstName C9
SYMATTR Value 220n
SYMBOL res 800 -312 R0
SYMATTR InstName R5
SYMATTR Value 845
SYMBOL res 880 -184 R0
SYMATTR InstName R6
SYMATTR Value 4.22K
SYMBOL res 992 -8 R0
SYMATTR InstName R7
SYMATTR Value 20K
SYMBOL res 992 120 R0
SYMATTR InstName R8
SYMATTR Value 20K
SYMBOL res -240 568 R0
SYMATTR InstName R9
SYMATTR Value 122K
SYMBOL polcap -1264 -344 R0
SYMATTR Value 470
SYMATTR Value2 x2
SYMATTR InstName C10
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=4 Irms=6.5 Rser=0.006 Lser=0 mfg="KEMET" pn="T530D477M004ASE006" type="Tantalum"
SYMBOL polcap 1136 -344 R0
SYMATTR Value 470
SYMATTR Value2 x2
SYMATTR InstName C11
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=4 Irms=6.5 Rser=0.006 Lser=0 mfg="KEMET" pn="T530D477M004ASE006" type="Tantalum"
SYMBOL res 1248 -360 R0
SYMATTR InstName Rload
SYMATTR Value 20m
SYMBOL res -64 -744 R90
SYMATTR InstName R10
SYMATTR Value 30K
SYMBOL res -176 -744 R90
SYMATTR InstName R11
SYMATTR Value 10K