* SPICE netlist
V1 IN 0 12
XU1 MP_01 MP_02 N006 N001 N008 0 N009 N003 N003 N002 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
MQ1 IN N006 N001 N001 BSC010NE2LS
L1 N001 OUT .47 Rser=.74m Rpar=5K
R1 N001 N012 2.87K
C1 N012 OUT .22
C2 OUT 0 330 X6 Rser=10m
C3 OUT 0 100 X4 Rser=3m
R2 OUT N017 10K
R3 N017 0 10K
D1 N003 N002 1N5818
C4 N002 N001 .22
C5 N015 N016 3300p Rser=280 Rpar=10K
XU2 N015 N014 N017 0 N016 NC_03 NC_04 NC_05 N014 N003 NC_06 N019 NC_07 NC_08 NC_09 NC_10 NC_11 N010 NC_12 N003 0 N013 OUT OUT N012 MP_13 N018 NC_14 N009 NC_15 NC_16 N020 NC_17 IN NC_18 N003 LTC3861 ;pnba FB1)COMP1)Vsnsp1)VsnsN1)Vsnsout1)Vsnsout2)VsnsN2)Vsnsp2)COMP2)FB2)TK/SS2)Freq)CLKIN)Clkout)PhaseMD)Pgood2)PWMEN2)PWM2)Run2)Ilim2)SGND)Sense2p)Sense2n)Sense1n)Sense1p))Ilim1)Run1)PWM1)PWMEN1)Pgood1)Iavg)CONFIG)Vinsns)TK/SS1)Vcc
MQ2 N001 N008 0 0 BSC010NE2LS
XU3 MP_19 MP_20 N007 N005 N011 0 N010 N003 N003 N004 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
MQ3 IN N007 N005 N005 BSC010NE2LS
L2 N005 OUT .47 Rser=.74m Rpar=5K
R4 N005 N013 2.87K
C6 N013 OUT .22
D2 N003 N004 1N5818
C7 N004 N005 .22
MQ4 N005 N011 0 0 BSC010NE2LS
C8 N014 N015 4700p Rser=5.9K Cpar=100p
R5 N018 0 59K
R6 N019 0 28K
C9 N020 0 100p
V2 N003 0 5
Rload OUT 0 20m
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2704 1456
WIRE 1208 -728 -1336 -728
WIRE -984 -680 -1272 -680
WIRE -232 -680 -984 -680
WIRE 712 -680 -232 -680
WIRE -1272 -664 -1272 -680
WIRE -872 -632 -1176 -632
WIRE -776 -632 -808 -632
WIRE -712 -632 -776 -632
WIRE -616 -632 -648 -632
WIRE -552 -632 -616 -632
WIRE -136 -632 -552 -632
WIRE 280 -632 -136 -632
WIRE 344 -632 280 -632
WIRE 376 -632 344 -632
WIRE 504 -632 440 -632
WIRE 552 -632 504 -632
WIRE 904 -632 616 -632
WIRE -552 -616 -552 -632
WIRE -984 -584 -984 -680
WIRE 712 -584 712 -680
WIRE -1272 -568 -1272 -584
WIRE -776 -568 -776 -632
WIRE 504 -568 504 -632
WIRE -552 -520 -552 -536
WIRE -904 -504 -936 -504
WIRE -616 -504 -616 -632
WIRE -616 -504 -648 -504
WIRE -232 -504 -232 -680
WIRE -136 -504 -136 -632
WIRE 344 -504 344 -632
WIRE 376 -504 344 -504
WIRE 664 -504 632 -504
WIRE -1336 -424 -1336 -728
WIRE -1288 -424 -1336 -424
WIRE -1176 -424 -1176 -632
WIRE -1176 -424 -1208 -424
WIRE -984 -424 -984 -488
WIRE -984 -424 -1176 -424
WIRE -904 -424 -984 -424
WIRE -616 -424 -616 -504
WIRE -616 -424 -648 -424
WIRE 344 -424 344 -504
WIRE 376 -424 344 -424
WIRE 712 -424 712 -488
WIRE 712 -424 632 -424
WIRE 904 -424 904 -632
WIRE 904 -424 712 -424
WIRE 936 -424 904 -424
WIRE 1048 -424 1016 -424
WIRE 1096 -424 1048 -424
WIRE 1208 -424 1208 -728
WIRE 1208 -424 1096 -424
WIRE 1352 -424 1208 -424
WIRE 1096 -408 1096 -424
WIRE 1208 -408 1208 -424
WIRE 1352 -408 1352 -424
WIRE -904 -344 -936 -344
WIRE -536 -344 -648 -344
WIRE 376 -344 264 -344
WIRE 664 -344 632 -344
WIRE 1096 -312 1096 -344
WIRE 1208 -312 1208 -344
WIRE 1352 -312 1352 -328
WIRE -984 -296 -984 -328
WIRE 712 -296 712 -328
WIRE -776 -264 -776 -280
WIRE 504 -264 504 -280
WIRE -1176 -248 -1176 -424
WIRE -1144 -248 -1176 -248
WIRE -584 -248 -1064 -248
WIRE -536 -248 -584 -248
WIRE 312 -248 264 -248
WIRE 744 -248 312 -248
WIRE 904 -248 904 -424
WIRE 904 -248 824 -248
WIRE -584 -232 -584 -248
WIRE 312 -232 312 -248
WIRE -1336 -152 -1336 -424
WIRE -584 -152 -584 -168
WIRE -584 -152 -1336 -152
WIRE -536 -152 -584 -152
WIRE 312 -152 312 -168
WIRE 312 -152 264 -152
WIRE 1048 -152 1048 -424
WIRE 1048 -152 312 -152
WIRE -856 -56 -952 -56
WIRE -536 -56 -856 -56
WIRE 344 -56 264 -56
WIRE -856 -40 -856 -56
WIRE -856 40 -856 24
WIRE -536 40 -856 40
WIRE 280 40 280 -632
WIRE 280 40 264 40
WIRE -1336 56 -1336 -152
WIRE -856 56 -856 40
WIRE -856 136 -856 120
WIRE -536 136 -856 136
WIRE -1336 232 -1336 136
WIRE -536 232 -1336 232
WIRE -1336 248 -1336 232
WIRE -536 328 -552 328
WIRE -1336 344 -1336 328
WIRE -376 600 -376 584
WIRE -280 600 -280 584
WIRE -88 600 -88 584
WIRE 104 600 104 584
WIRE 280 600 280 40
WIRE 280 600 104 600
WIRE 8 616 8 584
WIRE -376 696 -376 680
WIRE -280 696 -280 680
WIRE 8 696 8 680
WIRE -952 728 -952 -56
WIRE 344 728 344 -56
WIRE 344 728 -952 728
FLAG -88 600 0
FLAG -1272 -568 0
FLAG -776 -264 0
FLAG -984 -296 0
FLAG 1096 -312 0
FLAG 1208 -312 0
FLAG 1352 -312 0
FLAG 1352 -424 OUT
FLAG -1272 -680 IN
FLAG -1336 344 0
FLAG 504 -264 0
FLAG 712 -296 0
FLAG -552 328 0
FLAG -376 696 0
FLAG -280 696 0
FLAG 8 696 0
FLAG -552 -520 0
SYMBOL voltage -1272 -680 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL PowerProducts\\LTC4449 -776 -424 M0
SYMATTR InstName U1
SYMBOL nmos -936 -584 M0
SYMATTR InstName Q1
SYMATTR Value BSC010NE2LS
SYMBOL ind -1192 -408 M270
SYMATTR InstName L1
SYMATTR Value .47
SYMATTR SpiceLine Rser=.74m Rpar=5K
SYMBOL res -1160 -264 M90
SYMATTR InstName R1
SYMATTR Value 2.87K
SYMBOL cap -568 -232 M0
SYMATTR InstName C1
SYMATTR Value .22
SYMBOL cap 1080 -408 R0
SYMATTR Value2 X6
SYMATTR InstName C2
SYMATTR Value 330
SYMATTR SpiceLine Rser=10m
SYMBOL cap 1192 -408 R0
SYMATTR Value2 X4
SYMATTR InstName C3
SYMATTR Value 100
SYMATTR SpiceLine Rser=3m
SYMBOL res -1352 40 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res -1352 232 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL schottky -648 -648 R90
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -808 -648 R90
SYMATTR InstName C4
SYMATTR Value .22
SYMBOL cap -872 56 R0
SYMATTR SpiceLine Rser=280 Rpar=10K
SYMATTR Value 3300p
SYMATTR InstName C5
SYMBOL PowerProducts\\LTC3861 -136 40 R0
SYMATTR InstName U2
SYMBOL nmos -936 -424 M0
SYMATTR InstName Q2
SYMATTR Value BSC010NE2LS
SYMBOL PowerProducts\\LTC4449 504 -424 R0
SYMATTR InstName U3
SYMBOL nmos 664 -584 R0
SYMATTR InstName Q3
SYMATTR Value BSC010NE2LS
SYMBOL ind 920 -408 R270
SYMATTR InstName L2
SYMATTR Value .47
SYMATTR SpiceLine Rser=.74m Rpar=5K
SYMBOL res 840 -264 R90
SYMATTR InstName R4
SYMATTR Value 2.87K
SYMBOL cap 296 -232 R0
SYMATTR InstName C6
SYMATTR Value .22
SYMBOL schottky 376 -648 M90
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 552 -648 M90
SYMATTR InstName C7
SYMATTR Value .22
SYMBOL nmos 664 -424 R0
SYMATTR InstName Q4
SYMATTR Value BSC010NE2LS
SYMBOL cap -872 -40 R0
SYMATTR SpiceLine Rser=5.9K Cpar=100p
SYMATTR Value 4700p
SYMATTR InstName C8
SYMBOL res -392 584 R0
SYMATTR InstName R5
SYMATTR Value 59K
SYMBOL res -296 584 R0
SYMATTR InstName R6
SYMATTR Value 28K
SYMBOL cap -8 616 R0
SYMATTR InstName C9
SYMATTR Value 100p
SYMBOL voltage -552 -632 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 1336 -424 R0
SYMATTR InstName Rload
SYMATTR Value 20m