* SPICE netlist
C1 N007 N008 .47
D1 N002 N007 MBR0520L
L1 N008 N009 1 Rser=2m
R1 N009 OUT .002
MQ3 IN N016 N019 N019 Si4816BDY_2
C2 N018 N019 .47
MQ4 N019 N023 0 0 Si7386DP m=2
L2 N019 N020 1 Rser=2m
R2 N021 0 60.4K
R3 N022 N021 10K
R4 OUT N017 3.3K
C3 N015 N014 3300p
R5 N014 0 1.5K
C4 N013 0 250p
D2 N002 N018 MBR0520L
V1 IN 0 6
R6 N020 OUT .002
C5 N002 0 10
C7 OUT 0 270 V=2 Irms=4.2 Rser=0.01 Lser=0 mfg="KEMET" pn="A700X277M002ATE010" type="Al electrolytic" x4
D4 0 N019 MBR0540
Rload OUT 0 .0175
XU1 N013 N009 OUT N021 N011 N010 N004 N015 0 N022 0 OUT OUT N020 N017 N016 N019 N018 N023 0 N002 N003 N012 N001 N007 N008 N005 N006 LTC3729L-6 ;pnba Run/SS)Sense1+)Sense1-)EAIN)PLLFLT)PLLIN)PHASEMD)Ith)SGND)DiffOut)OS-)OS+)Sense2-)Sense2+)Pgood)TG2)SW2)Boost2)BG2)PGND)INTVcc)EXTVcc)BG1)Vin)Boost1)SW1)TG1)CLKOUT
R7 IN N001 10
C8 N001 0 .1 Rser=1m
D3 0 N008 MBR0540
MQ1 N008 N012 0 0 Si7386DP m=2
MQ2 IN N005 N008 N008 Si4816BDY_2
.tran 700u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1840 1088
WIRE -648 -528 -664 -528
WIRE -552 -528 -584 -528
WIRE -504 -528 -552 -528
WIRE 296 -528 -424 -528
WIRE 376 -528 296 -528
WIRE 616 -528 376 -528
WIRE -104 -512 -232 -512
WIRE 8 -512 -104 -512
WIRE 152 -512 8 -512
WIRE 616 -512 616 -528
WIRE -104 -496 -104 -512
WIRE 8 -496 8 -512
WIRE 152 -496 152 -512
WIRE 376 -464 376 -528
WIRE -552 -448 -552 -528
WIRE -392 -448 -392 -480
WIRE -232 -448 -232 -512
WIRE -104 -416 -104 -432
WIRE 616 -416 616 -432
WIRE -648 -384 -680 -384
WIRE 328 -384 -136 -384
WIRE -648 -320 -680 -320
WIRE 8 -320 8 -432
WIRE 8 -320 -136 -320
WIRE 376 -320 376 -368
WIRE 376 -320 232 -320
WIRE 456 -320 376 -320
WIRE 552 -320 456 -320
WIRE 680 -320 632 -320
WIRE 696 -320 680 -320
WIRE 792 -320 776 -320
WIRE 856 -320 792 -320
WIRE 456 -304 456 -320
WIRE 376 -272 376 -320
WIRE -648 -256 -680 -256
WIRE 8 -256 -136 -256
WIRE 232 -256 232 -320
WIRE 232 -256 8 -256
WIRE 456 -224 456 -240
WIRE -648 -192 -680 -192
WIRE 328 -192 -136 -192
WIRE 376 -160 376 -176
WIRE 856 -144 856 -320
WIRE 920 -144 856 -144
WIRE 680 -128 680 -320
WIRE 680 -128 -136 -128
WIRE 920 -128 920 -144
WIRE -744 -64 -776 -64
WIRE -648 -64 -680 -64
WIRE 792 -64 792 -320
WIRE 792 -64 -136 -64
WIRE 920 -32 920 -48
WIRE 296 -16 296 -528
WIRE -888 64 -920 64
WIRE -744 64 -808 64
WIRE -648 64 -680 64
WIRE 248 64 -136 64
WIRE -824 128 -904 128
WIRE -648 128 -744 128
WIRE 152 128 152 -432
WIRE 152 128 -136 128
WIRE 296 128 296 80
WIRE 296 128 232 128
WIRE 376 128 296 128
WIRE 504 128 376 128
WIRE 616 128 584 128
WIRE 632 128 616 128
WIRE 728 128 712 128
WIRE 760 128 728 128
WIRE 856 128 856 -144
WIRE 856 128 760 128
WIRE 376 144 376 128
WIRE 856 160 856 128
WIRE 856 160 792 160
WIRE 296 176 296 128
WIRE 856 176 856 160
WIRE -760 192 -856 192
WIRE -648 192 -680 192
WIRE 152 192 -136 192
WIRE 232 192 232 128
WIRE 232 192 152 192
WIRE 376 224 376 208
WIRE -856 256 -856 192
WIRE -648 256 -856 256
WIRE 248 256 -136 256
WIRE 856 256 856 240
WIRE 856 256 824 256
WIRE -856 272 -856 256
WIRE 856 272 856 256
WIRE 296 288 296 272
WIRE -648 320 -728 320
WIRE 616 320 616 128
WIRE 616 320 -136 320
WIRE -856 368 -856 352
WIRE -648 384 -696 384
WIRE 728 384 728 128
WIRE 728 384 -136 384
WIRE -504 464 -504 448
WIRE -280 464 -280 448
WIRE -696 512 -696 384
WIRE 792 512 792 160
WIRE 792 512 -696 512
WIRE -728 528 -728 320
WIRE 824 528 824 256
WIRE 824 528 -728 528
WIRE -904 544 -904 128
WIRE 760 544 760 128
WIRE 760 544 -904 544
FLAG 376 -160 0
FLAG 456 -224 0
FLAG 296 288 0
FLAG 376 224 0
FLAG -280 464 0
FLAG -504 464 0
FLAG 856 272 0
FLAG -856 368 0
FLAG -920 64 0
FLAG -776 -64 0
FLAG 616 -416 0
FLAG 920 -32 0
FLAG -104 -416 0
FLAG 920 -144 OUT
FLAG 616 -528 IN
FLAG -664 -528 0
SYMBOL polcap -8 -320 R0
SYMATTR Value .47
SYMATTR InstName C1
SYMBOL schottky -8 -496 R0
SYMATTR InstName D1
SYMATTR Value MBR0520L
SYMBOL ind 536 -304 R270
SYMATTR InstName L1
SYMATTR Value 1
SYMATTR SpiceLine Rser=2m
SYMBOL RES 680 -336 M90
SYMATTR InstName R1
SYMATTR Value .002
SYMBOL nmos 248 -16 R0
SYMATTR InstName Q3
SYMATTR Value Si4816BDY_2
SYMBOL polcap 136 128 R0
SYMATTR Value .47
SYMATTR InstName C2
SYMBOL nmos 248 176 R0
SYMATTR InstName Q4
SYMATTR Value Si7386DP
SYMATTR Value2 m=2
SYMBOL ind 488 144 R270
SYMATTR InstName L2
SYMATTR Value 1
SYMATTR SpiceLine Rser=2m
SYMBOL res -872 256 R0
SYMATTR InstName R2
SYMATTR Value 60.4K
SYMBOL RES -664 176 R90
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res -840 144 R270
SYMATTR InstName R4
SYMATTR Value 3.3K
SYMBOL cap -680 48 R90
SYMATTR InstName C3
SYMATTR Value 3300p
SYMBOL res -792 48 R90
SYMATTR InstName R5
SYMATTR Value 1.5K
SYMBOL cap -680 -80 R90
SYMATTR InstName C4
SYMATTR Value 250p
SYMBOL schottky 136 -496 R0
SYMATTR InstName D2
SYMATTR Value MBR0520L
SYMBOL VOLTAGE 616 -528 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL RES 616 112 M90
SYMATTR InstName R6
SYMATTR Value .002
SYMBOL polcap -120 -496 R0
SYMATTR InstName C5
SYMATTR Value 10
SYMBOL polcap 840 176 R0
SYMATTR SpiceLine2 x4
SYMATTR Value 270
SYMATTR InstName C7
SYMATTR SpiceLine V=2 Irms=4.2 Rser=0.01 Lser=0 mfg="KEMET" pn="A700X277M002ATE010" type="Al electrolytic"
SYMBOL schottky 360 208 M180
SYMATTR InstName D4
SYMATTR Value MBR0540
SYMBOL res 904 -144 R0
SYMATTR InstName Rload
SYMATTR Value .0175
SYMBOL PowerProducts\\LTC3729L-6 -392 0 R0
SYMATTR InstName U1
SYMBOL res -408 -544 R90
SYMATTR InstName R7
SYMATTR Value 10
SYMBOL cap -584 -544 R90
SYMATTR InstName C8
SYMATTR Value .1
SYMATTR SpiceLine Rser=1m
SYMBOL schottky 440 -240 M180
SYMATTR InstName D3
SYMATTR Value MBR0540
SYMBOL nmos 328 -272 R0
SYMATTR InstName Q1
SYMATTR Value Si7386DP
SYMATTR Value2 m=2
SYMBOL nmos 328 -464 R0
SYMATTR InstName Q2
SYMATTR Value Si4816BDY_2