* SPICE netlist
V1 IN 0 12
V2 N001 0 5
C1 0 N002 100p
R1 0 N022 28.7K
R2 N001 N005 100K
XU2 MP_01 MP_02 N012 N009 N016 0 N015 N001 N001 N008 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
MQ1 IN N012 N009 N009 RJK0305DPB
MQ2 N009 N016 0 0 RJK0301DPB
L1 N009 OUT .47 Rser=.7m Rpar=5K
R3 N009 N018 2.87K
C2 N018 OUT .22
XU3 MP_03 MP_04 N011 N006 N013 0 N014 N001 N001 N007 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
MQ3 IN N011 N006 N006 RJK0305DPB
MQ4 N006 N013 0 0 RJK0301DPB
L2 N006 OUT .47 Rser=.7m Rpar=5K
R4 N006 N017 2.87K
C3 N017 OUT .22
R5 0 N010 59K
C4 OUT 0 330 X6 Rser=10m
C5 OUT 0 100 X4 Rser=3m
R6 N019 N023 20K
R7 0 N019 20K
C6 N020 N019 1000p Rser=13K Cpar=220p
D1 N001 N007 1N5818
C7 N007 N006 .22
D2 N001 N008 1N5818
C8 N008 N009 .22
C9 N021 0 .005
C10 N019 N023 1000p Rser=221
Rload OUT 0 20m
XU1 N001 N019 N020 N023 0 OUT N020 N001 N021 N022 NC_05 NC_06 0 NC_07 NC_08 N015 N004 N001 N018 OUT OUT N017 N010 N003 N014 NC_09 N005 N002 0 NC_10 IN N021 LTC3861-1 ;pnba Vcc)FB1)Comp1)Vsnsout)Vsnsn)Vsnsp)Comp2)FB2)Track/SS2)Freq)CLKin)Clkout)PHSMD)Pgood2)PWMEN2)PWM2)Run2)Ilim2)Isns2p)Isns2n)Isns1n)Isns1p)Ilim1)Run1)PWM1)PWMEN1)Pgood1)Iavg)SGND)Config)Vinsns)Track/SS1
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2416 1392
WIRE 24 -680 24 -696
WIRE -888 -600 -1000 -600
WIRE -168 -600 -888 -600
WIRE 664 -600 -168 -600
WIRE -1000 -584 -1000 -600
WIRE -72 -584 -520 -584
WIRE 248 -584 -72 -584
WIRE 472 -584 248 -584
WIRE -168 -568 -168 -600
WIRE -72 -568 -72 -584
WIRE 24 -568 24 -616
WIRE 120 -568 120 -696
WIRE 472 -552 472 -584
WIRE -360 -504 -376 -504
WIRE 232 -504 216 -504
WIRE -1000 -488 -1000 -504
WIRE 472 -440 472 -472
WIRE -520 -408 -520 -584
WIRE -456 -408 -520 -408
WIRE -360 -408 -376 -408
WIRE -792 -392 -1064 -392
WIRE -680 -392 -728 -392
WIRE -616 -392 -680 -392
WIRE -520 -392 -520 -408
WIRE -520 -392 -552 -392
WIRE 248 -392 248 -584
WIRE 328 -392 248 -392
WIRE 456 -392 392 -392
WIRE 504 -392 456 -392
WIRE 840 -392 568 -392
WIRE -888 -360 -888 -600
WIRE 664 -360 664 -600
WIRE -680 -344 -680 -392
WIRE 456 -344 456 -392
WIRE -456 -312 -472 -312
WIRE -360 -312 -376 -312
WIRE 248 -312 248 -392
WIRE 248 -312 216 -312
WIRE -808 -280 -840 -280
WIRE -520 -280 -520 -392
WIRE -520 -280 -552 -280
WIRE 248 -280 248 -312
WIRE 328 -280 248 -280
WIRE 616 -280 584 -280
WIRE -1176 -200 -1208 -200
WIRE -1064 -200 -1064 -392
WIRE -1064 -200 -1096 -200
WIRE -888 -200 -888 -264
WIRE -888 -200 -1064 -200
WIRE -808 -200 -888 -200
WIRE -520 -200 -520 -280
WIRE -520 -200 -552 -200
WIRE 248 -200 248 -280
WIRE 328 -200 248 -200
WIRE 664 -200 664 -264
WIRE 664 -200 584 -200
WIRE 840 -200 840 -392
WIRE 840 -200 664 -200
WIRE 872 -200 840 -200
WIRE 968 -200 952 -200
WIRE 1016 -200 968 -200
WIRE 1112 -200 1016 -200
WIRE 1208 -200 1112 -200
WIRE 1208 -184 1208 -200
WIRE 1016 -168 1016 -200
WIRE 1112 -168 1112 -200
WIRE -808 -120 -840 -120
WIRE -360 -120 -552 -120
WIRE 328 -120 216 -120
WIRE 616 -120 584 -120
WIRE 1016 -88 1016 -104
WIRE 1112 -88 1112 -104
WIRE 1208 -88 1208 -104
WIRE -888 -72 -888 -104
WIRE 664 -72 664 -104
WIRE -680 -40 -680 -56
WIRE 456 -40 456 -56
WIRE -1064 -24 -1064 -200
WIRE -1000 -24 -1064 -24
WIRE -520 -24 -920 -24
WIRE -360 -24 -520 -24
WIRE 296 -24 216 -24
WIRE 696 -24 296 -24
WIRE 840 -24 840 -200
WIRE 840 -24 776 -24
WIRE -520 -8 -520 -24
WIRE 296 -8 296 -24
WIRE -1208 72 -1208 -200
WIRE -520 72 -520 56
WIRE -520 72 -1208 72
WIRE -360 72 -520 72
WIRE 296 72 296 56
WIRE 296 72 216 72
WIRE 968 72 968 -200
WIRE 968 72 296 72
WIRE -360 168 -552 168
WIRE 248 168 248 -200
WIRE 248 168 216 168
WIRE -552 264 -552 168
WIRE -504 264 -552 264
WIRE -392 264 -440 264
WIRE -360 264 -392 264
WIRE 248 264 216 264
WIRE -632 344 -632 312
WIRE -360 360 -376 360
WIRE 232 360 216 360
WIRE 264 360 232 360
WIRE 344 360 328 360
WIRE -632 456 -632 424
WIRE -552 456 -552 264
WIRE -552 456 -632 456
WIRE -632 488 -632 456
WIRE -552 488 -552 456
WIRE -264 536 -264 520
WIRE -168 536 -168 520
WIRE -72 536 -72 520
WIRE -168 632 -168 616
WIRE -376 648 -376 360
WIRE 232 648 232 360
WIRE 232 648 -376 648
WIRE -392 664 -392 264
WIRE 248 664 248 264
WIRE 248 664 -392 664
WIRE -632 680 -632 568
WIRE -552 680 -552 552
WIRE -552 680 -632 680
WIRE 120 680 120 520
WIRE 120 680 -552 680
WIRE -1208 696 -1208 72
WIRE 24 696 24 520
WIRE 24 696 -1208 696
WIRE 968 696 968 72
WIRE 968 696 24 696
FLAG -264 536 0
FLAG -1000 -488 0
FLAG 472 -440 0
FLAG 24 -696 0
FLAG 120 -696 0
FLAG -168 632 0
FLAG 456 -40 0
FLAG 664 -72 0
FLAG -680 -40 0
FLAG -888 -72 0
FLAG -472 -312 0
FLAG 1016 -88 0
FLAG 1112 -88 0
FLAG 1208 -88 0
FLAG 1208 -200 OUT
FLAG -1000 -600 IN
FLAG -72 536 0
FLAG -632 312 0
FLAG 344 360 0
SYMBOL voltage -1000 -600 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage 472 -568 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap 8 -680 R0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL res -184 632 M180
SYMATTR InstName R1
SYMATTR Value 28.7K
SYMBOL res -472 -392 R270
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL PowerProducts\\LTC4449 456 -200 R0
SYMATTR InstName U2
SYMBOL nmos 616 -360 R0
SYMATTR InstName Q1
SYMATTR Value RJK0305DPB
SYMBOL nmos 616 -200 R0
SYMATTR InstName Q2
SYMATTR Value RJK0301DPB
SYMBOL ind 856 -184 R270
SYMATTR InstName L1
SYMATTR Value .47
SYMATTR SpiceLine Rser=.7m Rpar=5K
SYMBOL res 792 -40 R90
SYMATTR InstName R3
SYMATTR Value 2.87K
SYMBOL cap 280 -8 R0
SYMATTR InstName C2
SYMATTR Value .22
SYMBOL PowerProducts\\LTC4449 -680 -200 M0
SYMATTR InstName U3
SYMBOL nmos -840 -360 M0
SYMATTR InstName Q3
SYMATTR Value RJK0305DPB
SYMBOL nmos -840 -200 M0
SYMATTR InstName Q4
SYMATTR Value RJK0301DPB
SYMBOL ind -1080 -184 M270
SYMATTR InstName L2
SYMATTR Value .47
SYMATTR SpiceLine Rser=.7m Rpar=5K
SYMBOL res -1016 -40 M90
SYMATTR InstName R4
SYMATTR Value 2.87K
SYMBOL cap -536 -8 R0
SYMATTR InstName C3
SYMATTR Value .22
SYMBOL res -472 -296 R270
SYMATTR InstName R5
SYMATTR Value 59K
SYMBOL cap 1000 -168 R0
SYMATTR Value2 X6
SYMATTR Value 330
SYMATTR InstName C4
SYMATTR SpiceLine Rser=10m
SYMBOL cap 1096 -168 R0
SYMATTR Value2 X4
SYMATTR Value 100
SYMATTR InstName C5
SYMATTR SpiceLine Rser=3m
SYMBOL res -648 472 R0
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL res -648 328 R0
SYMATTR InstName R7
SYMATTR Value 20K
SYMBOL cap -440 248 R90
SYMATTR InstName C6
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=13K Cpar=220p
SYMBOL schottky -552 -408 R90
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -728 -408 R90
SYMATTR InstName C7
SYMATTR Value .22
SYMBOL schottky 328 -408 M90
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 504 -408 M90
SYMATTR InstName C8
SYMATTR Value .22
SYMBOL cap 264 376 R270
SYMATTR InstName C9
SYMATTR Value .005
SYMBOL cap -568 488 R0
SYMATTR SpiceLine Rser=221
SYMATTR Value 1000p
SYMATTR InstName C10
SYMBOL res 1192 -200 R0
SYMATTR InstName Rload
SYMATTR Value 20m
SYMBOL PowerProducts\\LTC3861-1 -72 -24 R0
SYMATTR InstName U1