* SPICE netlist
V1 IN 0 12
C1 N010 N011 .1
L1 N011 N012 7.2 Rpar=2K
R1 N012 OUT2 .01
D1 N001 N010 BAT54
R2 OUT2 N016 193K
R3 N016 0 20K
C2 0 N020 .001
MQ3 IN N005 N008 N008 Si7884DP
C4 N009 N008 .1
L2 N008 N007 3.3 Rpar=2K
R5 N007 OUT1 .007
D2 N001 N009 BAT54
R6 OUT1 N015 62.5K
R7 N015 0 20K
C5 0 N019 .001
C6 N001 0 4.7
R8 N001 N003 100K
R9 N001 N004 100K
C7 OUT2 0 150 Rser=50m
C8 OUT1 0 150 Rser=50m
C9 N017 0 680p Rser=15K
Rload1 OUT1 0 .66
Rload2 OUT2 0 2.4
MQ1 N008 N013 0 0 Si7884DP
MQ2 IN N006 N011 N011 Si7884DP
MQ4 N011 N014 0 0 Si7884DP
V2 RUN 0 5
C3 N018 0 680p Rser=15K
XU1 OUT1 0 0 NC_01 NC_02 0 RUN RUN OUT2 N012 N016 N018 N020 N004 N006 N011 N010 N014 N001 N002 0 IN N013 N009 N008 N005 N003 N001 N019 N017 N015 N007 LTC3868 ;pnba Sense1-)Freq)PHASEMD)CLKOUT)PLLIN/Mode)SGND)Run1)Run2)Sense2-)Sense2+)Vfb2)Ith2)SS2)Pgood2)TG2)SW2)Boost2)BG2)INTVcc)EXTVcc)PGND)Vin)BG1)Boost1)SW1)TG1)Pgood1)Ilim)SS1)Ith1)Vfb1)Sense1+
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1584 1360
WIRE -472 -680 -600 -680
WIRE -88 -680 -472 -680
WIRE 504 -680 -88 -680
WIRE -600 -664 -600 -680
WIRE 312 -664 -200 -664
WIRE 616 -664 312 -664
WIRE -328 -648 -392 -648
WIRE -264 -648 -328 -648
WIRE -184 -648 -264 -648
WIRE 56 -648 -184 -648
WIRE 360 -648 56 -648
WIRE 408 -648 360 -648
WIRE 616 -648 616 -664
WIRE -392 -632 -392 -648
WIRE -88 -616 -88 -680
WIRE 56 -616 56 -648
WIRE 200 -616 200 -632
WIRE -600 -568 -600 -584
WIRE -264 -568 -264 -648
WIRE -392 -552 -392 -568
WIRE -200 -552 -200 -664
WIRE -168 -552 -200 -552
WIRE 312 -552 312 -664
WIRE 312 -552 280 -552
WIRE 360 -552 360 -648
WIRE 616 -552 616 -568
WIRE 408 -536 408 -648
WIRE -264 -456 -264 -488
WIRE -168 -456 -264 -456
WIRE 360 -456 360 -472
WIRE 360 -456 280 -456
WIRE -472 -440 -472 -680
WIRE -328 -440 -328 -648
WIRE 504 -440 504 -680
WIRE -168 -360 -424 -360
WIRE 456 -360 280 -360
WIRE -616 -264 -648 -264
WIRE -472 -264 -472 -344
WIRE -472 -264 -536 -264
WIRE -424 -264 -472 -264
WIRE -328 -264 -328 -376
WIRE -328 -264 -360 -264
WIRE -168 -264 -328 -264
WIRE 408 -264 408 -472
WIRE 408 -264 280 -264
WIRE 504 -264 504 -344
WIRE 504 -264 472 -264
WIRE 552 -264 504 -264
WIRE 680 -264 632 -264
WIRE -472 -168 -472 -264
WIRE -168 -168 -472 -168
WIRE 504 -168 504 -264
WIRE 504 -168 280 -168
WIRE -472 -152 -472 -168
WIRE 504 -152 504 -168
WIRE -168 -72 -424 -72
WIRE 456 -72 280 -72
WIRE -472 -40 -472 -56
WIRE 504 -40 504 -56
WIRE -648 24 -648 -264
WIRE -168 24 -648 24
WIRE 680 24 680 -264
WIRE 680 24 280 24
WIRE -648 120 -648 104
WIRE -168 120 -648 120
WIRE 680 120 680 104
WIRE 680 120 280 120
WIRE -648 216 -648 120
WIRE -648 216 -776 216
WIRE -600 216 -648 216
WIRE -472 216 -520 216
WIRE -168 216 -472 216
WIRE 520 216 280 216
WIRE 568 216 520 216
WIRE 680 216 680 120
WIRE 680 216 648 216
WIRE 792 216 680 216
WIRE -776 232 -776 216
WIRE -472 232 -472 216
WIRE 520 232 520 216
WIRE 792 232 792 216
WIRE -648 248 -648 216
WIRE 680 248 680 216
WIRE -280 312 -296 312
WIRE -168 312 -216 312
WIRE 328 312 280 312
WIRE 408 312 392 312
WIRE -776 328 -776 312
WIRE -648 328 -648 312
WIRE -472 328 -472 312
WIRE 520 328 520 312
WIRE 680 328 680 312
WIRE 792 328 792 312
WIRE -280 408 -296 408
WIRE -168 408 -216 408
WIRE 328 408 280 408
WIRE 408 408 392 408
WIRE -184 504 -184 -648
WIRE -168 504 -184 504
WIRE 312 504 280 504
WIRE -88 680 -88 664
WIRE 56 680 56 664
WIRE 200 680 200 664
FLAG 504 -40 0
FLAG 200 680 0
FLAG -88 680 0
FLAG 520 328 0
FLAG 408 408 0
FLAG 408 312 0
FLAG -472 -40 0
FLAG -472 328 0
FLAG -296 408 0
FLAG -600 -568 0
FLAG -392 -552 0
FLAG 312 504 0
FLAG 680 328 0
FLAG -648 328 0
FLAG -296 312 0
FLAG -776 328 0
FLAG 792 328 0
FLAG 56 680 0
FLAG -600 -680 IN
FLAG -776 216 OUT1
FLAG 792 216 OUT2
FLAG 616 -552 0
FLAG 616 -664 RUN
SYMBOL voltage -600 -680 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 408 -248 R270
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL ind 536 -248 R270
SYMATTR InstName L1
SYMATTR Value 7.2
SYMATTR SpiceLine Rpar=2K
SYMBOL res 664 8 R0
SYMATTR InstName R1
SYMATTR Value .01
SYMBOL schottky 392 -536 R0
SYMATTR Value BAT54
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 664 200 R90
SYMATTR InstName R2
SYMATTR Value 193K
SYMBOL res 504 216 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL cap 392 392 R90
SYMATTR InstName C2
SYMATTR Value .001
SYMBOL nmos -424 -440 M0
SYMATTR InstName Q3
SYMATTR Value Si7884DP
SYMBOL cap -360 -248 M270
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL ind -520 -248 M270
SYMATTR InstName L2
SYMATTR Value 3.3
SYMATTR SpiceLine Rpar=2K
SYMBOL res -664 8 R0
SYMATTR InstName R5
SYMATTR Value .007
SYMBOL schottky -344 -440 R0
SYMATTR Value BAT54
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -616 200 M90
SYMATTR InstName R6
SYMATTR Value 62.5K
SYMBOL res -488 216 R0
SYMATTR InstName R7
SYMATTR Value 20K
SYMBOL cap -280 392 M90
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL cap -408 -632 R0
SYMATTR InstName C6
SYMATTR Value 4.7
SYMBOL res -280 -584 R0
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL res 376 -568 M0
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL cap 664 248 R0
SYMATTR InstName C7
SYMATTR Value 150
SYMATTR SpiceLine Rser=50m
SYMBOL cap -664 248 R0
SYMATTR Value 150
SYMATTR InstName C8
SYMATTR SpiceLine Rser=50m
SYMBOL cap -216 328 M270
SYMATTR InstName C9
SYMATTR Value 680p
SYMATTR SpiceLine Rser=15K
SYMBOL res -792 216 R0
SYMATTR InstName Rload1
SYMATTR Value .66
SYMBOL res 776 216 R0
SYMATTR InstName Rload2
SYMATTR Value 2.4
SYMBOL nmos -424 -152 M0
SYMATTR InstName Q1
SYMATTR Value Si7884DP
SYMBOL nmos 456 -440 R0
SYMATTR InstName Q2
SYMATTR Value Si7884DP
SYMBOL nmos 456 -152 R0
SYMATTR InstName Q4
SYMATTR Value Si7884DP
SYMBOL voltage 616 -664 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap 328 328 R270
SYMATTR InstName C3
SYMATTR Value 680p
SYMATTR SpiceLine Rser=15K
SYMBOL PowerProducts\\LTC3868 56 24 R0
SYMATTR InstName U1