* SPICE netlist
V1 IN 0 10
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 N020 0 .001
MQ1 IN N005 N008 N008 Si7884DP
C3 N009 N008 .1
L2 N008 N007 3.3 Rpar=2K
R4 N007 OUT1 .007
D2 N001 N009 BAT54
R5 OUT1 N015 62.5K
R6 N015 0 20K
C4 N019 0 .001
C5 N001 0 4.7
R7 N001 N003 100K
R8 N001 N004 100K
C6 OUT2 0 150 Rser=50m
C7 OUT1 0 150 Rser=50m
C8 N017 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 LTC3857 ;pnba Sense1-)Freq)PHASEMD)CLKOUT)PLLIN/Mode)SGND)Run1)Run2)Sense2-)Sense2+)Vfb2)Ith2)Track/SS2)Pgood2)TG2)SW2)Boost2)BG2)INTVcc)EXTVcc)PGND)Vin)BG1)Boost1)SW1)TG1)Pgood1)Ilim)Track/SS1)Ith1)Vfb1)Sense1+
MQ2 N008 N013 0 0 Si7884DP
MQ3 IN N006 N011 N011 Si7884DP
MQ4 N011 N014 0 0 Si7884DP
V2 RUN 0 5
C9 N018 0 680p Rser=15K
Rload1 OUT1 0 .66
Rload2 OUT2 0 2.4
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1536 1360
WIRE -480 -680 -608 -680
WIRE -96 -680 -480 -680
WIRE 512 -680 -96 -680
WIRE -608 -664 -608 -680
WIRE 304 -664 -208 -664
WIRE 576 -664 304 -664
WIRE -336 -648 -400 -648
WIRE -272 -648 -336 -648
WIRE -192 -648 -272 -648
WIRE 48 -648 -192 -648
WIRE 336 -648 48 -648
WIRE 416 -648 336 -648
WIRE 576 -648 576 -664
WIRE -400 -632 -400 -648
WIRE -96 -616 -96 -680
WIRE 48 -616 48 -648
WIRE 192 -616 192 -632
WIRE -608 -568 -608 -584
WIRE -272 -568 -272 -648
WIRE 416 -568 416 -648
WIRE -400 -552 -400 -568
WIRE -208 -552 -208 -664
WIRE -176 -552 -208 -552
WIRE 304 -552 304 -664
WIRE 304 -552 272 -552
WIRE 336 -552 336 -648
WIRE 576 -552 576 -568
WIRE -272 -456 -272 -488
WIRE -176 -456 -272 -456
WIRE 336 -456 336 -472
WIRE 336 -456 272 -456
WIRE -480 -440 -480 -680
WIRE -336 -440 -336 -648
WIRE 512 -440 512 -680
WIRE -176 -360 -432 -360
WIRE 464 -360 272 -360
WIRE -592 -264 -624 -264
WIRE -480 -264 -480 -344
WIRE -480 -264 -512 -264
WIRE -432 -264 -480 -264
WIRE -336 -264 -336 -376
WIRE -336 -264 -368 -264
WIRE -176 -264 -336 -264
WIRE 416 -264 416 -504
WIRE 416 -264 272 -264
WIRE 432 -264 416 -264
WIRE 512 -264 512 -344
WIRE 512 -264 496 -264
WIRE 544 -264 512 -264
WIRE 656 -264 624 -264
WIRE -480 -168 -480 -264
WIRE -176 -168 -480 -168
WIRE 512 -168 512 -264
WIRE 512 -168 272 -168
WIRE -480 -152 -480 -168
WIRE 512 -152 512 -168
WIRE -176 -72 -432 -72
WIRE 464 -72 272 -72
WIRE -480 -40 -480 -56
WIRE 512 -40 512 -56
WIRE -624 24 -624 -264
WIRE -176 24 -624 24
WIRE 656 24 656 -264
WIRE 656 24 272 24
WIRE -624 120 -624 104
WIRE -176 120 -624 120
WIRE 656 120 656 104
WIRE 656 120 272 120
WIRE -624 216 -624 120
WIRE -624 216 -752 216
WIRE -560 216 -624 216
WIRE -432 216 -480 216
WIRE -176 216 -432 216
WIRE 496 216 272 216
WIRE 544 216 496 216
WIRE 656 216 656 120
WIRE 656 216 624 216
WIRE 768 216 656 216
WIRE -752 232 -752 216
WIRE -432 232 -432 216
WIRE 496 232 496 216
WIRE 768 232 768 216
WIRE -624 248 -624 216
WIRE 656 248 656 216
WIRE -288 312 -304 312
WIRE -176 312 -224 312
WIRE 320 312 272 312
WIRE 400 312 384 312
WIRE -752 328 -752 312
WIRE -624 328 -624 312
WIRE -432 328 -432 312
WIRE 496 328 496 312
WIRE 656 328 656 312
WIRE 768 328 768 312
WIRE -272 408 -304 408
WIRE -176 408 -208 408
WIRE 304 408 272 408
WIRE 400 408 368 408
WIRE -192 504 -192 -648
WIRE -176 504 -192 504
WIRE 304 504 272 504
WIRE -96 680 -96 664
WIRE 48 680 48 664
WIRE 192 680 192 664
FLAG 512 -40 0
FLAG 192 680 0
FLAG -96 680 0
FLAG 496 328 0
FLAG 400 408 0
FLAG 400 312 0
FLAG -480 -40 0
FLAG -432 328 0
FLAG -304 408 0
FLAG -608 -568 0
FLAG -400 -552 0
FLAG 304 504 0
FLAG 656 328 0
FLAG -624 328 0
FLAG -304 312 0
FLAG -752 328 0
FLAG 768 328 0
FLAG 48 680 0
FLAG -608 -680 IN
FLAG -752 216 OUT1
FLAG 768 216 OUT2
FLAG 576 -552 0
FLAG 576 -664 RUN
SYMBOL voltage -608 -680 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 432 -248 R270
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL ind 528 -248 R270
SYMATTR InstName L1
SYMATTR Value 7.2
SYMATTR SpiceLine Rpar=2K
SYMBOL res 640 8 R0
SYMATTR InstName R1
SYMATTR Value .01
SYMBOL schottky 400 -568 R0
SYMATTR Value BAT54
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 640 200 R90
SYMATTR InstName R2
SYMATTR Value 193K
SYMBOL res 480 216 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL cap 304 392 M90
SYMATTR InstName C2
SYMATTR Value .001
SYMBOL nmos -432 -440 M0
SYMATTR InstName Q1
SYMATTR Value Si7884DP
SYMBOL cap -368 -248 M270
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL ind -496 -248 M270
SYMATTR InstName L2
SYMATTR Value 3.3
SYMATTR SpiceLine Rpar=2K
SYMBOL res -640 8 R0
SYMATTR InstName R4
SYMATTR Value .007
SYMBOL schottky -352 -440 R0
SYMATTR Value BAT54
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -576 200 M90
SYMATTR InstName R5
SYMATTR Value 62.5K
SYMBOL res -448 216 R0
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL cap -208 392 R90
SYMATTR InstName C4
SYMATTR Value .001
SYMBOL cap -416 -632 R0
SYMATTR InstName C5
SYMATTR Value 4.7
SYMBOL res -288 -584 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 320 -568 R0
SYMATTR Value 100K
SYMATTR InstName R8
SYMBOL cap 640 248 R0
SYMATTR InstName C6
SYMATTR Value 150
SYMATTR SpiceLine Rser=50m
SYMBOL cap -640 248 R0
SYMATTR Value 150
SYMATTR InstName C7
SYMATTR SpiceLine Rser=50m
SYMBOL cap -224 328 M270
SYMATTR InstName C8
SYMATTR Value 680p
SYMATTR SpiceLine Rser=15K
SYMBOL LTC3857 48 24 R0
SYMATTR InstName U1
SYMBOL nmos -432 -152 M0
SYMATTR InstName Q2
SYMATTR Value Si7884DP
SYMBOL nmos 464 -440 R0
SYMATTR InstName Q3
SYMATTR Value Si7884DP
SYMBOL nmos 464 -152 R0
SYMATTR InstName Q4
SYMATTR Value Si7884DP
SYMBOL voltage 576 -664 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap 320 328 R270
SYMATTR InstName C9
SYMATTR Value 680p
SYMATTR SpiceLine Rser=15K
SYMBOL res -768 216 R0
SYMATTR InstName Rload1
SYMATTR Value .66
SYMBOL res 752 216 R0
SYMATTR InstName Rload2
SYMATTR Value 2.4