* SPICE netlist
XU1 N014 N012 N006 OUT1 N001 N018 0 RUN RUN OUT2 N009 N013 N015 N017 N003 N008 N005 N011 N001 NC_01 0 IN N010 N004 N007 N002 NC_02 N016 LTC3890-1 ;pnba Ith1)Vfb1)Sense1+)Sense1-)Freq)PLLIN/Mode)SGND)Run1)Run2)Sense2-)Sense2+)Vfb2)Ith2)Track/SS2)TG2)SW2)Boost2)BG2)INTVcc)EXTVcc)PGND)Vin)BG1)Boost1)SW1)TG1)Pgood1)Track/SS1
V1 IN 0 48
MQ1 IN N003 N008 N008 Si4896DY
MQ2 N008 N011 0 0 Si4896DY
D1 N001 N005 1N4148
C1 N001 0 4.7
C2 N005 N008 .1
L1 N008 N009 7.2
R1 N009 OUT2 7m
C3 OUT2 0 150
R2 OUT2 N013 280K
R3 N013 0 20K
C4 N015 0 220p Rser=15K
C5 N017 0 .001
MQ3 IN N002 N007 N007 Si4896DY
MQ4 N007 N010 0 0 Si4896DY
D2 N001 N004 1N4148
C6 N004 N007 .1
L2 N007 N006 7.2
R4 N006 OUT1 7m
C7 OUT1 0 150
R5 OUT1 N012 62.5K
R6 N012 0 20K
C8 N014 0 220p Rser=15K
C9 N016 0 .001
V2 RUN 0 5
Rload2 OUT2 0 3.4
Rload1 OUT1 0 .67
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1744 1168
WIRE -360 -584 -600 -584
WIRE -88 -584 -360 -584
WIRE 440 -584 -88 -584
WIRE -600 -568 -600 -584
WIRE 56 -568 -280 -568
WIRE 328 -568 56 -568
WIRE 360 -568 328 -568
WIRE -184 -552 -472 -552
WIRE 296 -552 -184 -552
WIRE 360 -552 360 -568
WIRE -472 -536 -472 -552
WIRE -88 -536 -88 -584
WIRE 56 -536 56 -568
WIRE -600 -472 -600 -488
WIRE 360 -472 360 -488
WIRE 328 -456 328 -568
WIRE 328 -456 280 -456
WIRE -472 -440 -472 -456
WIRE -184 -360 -184 -552
WIRE -168 -360 -184 -360
WIRE 296 -360 296 -552
WIRE 296 -360 280 -360
WIRE -360 -344 -360 -584
WIRE 440 -344 440 -584
WIRE -168 -264 -312 -264
WIRE 392 -264 280 -264
WIRE -280 -248 -280 -568
WIRE 328 -248 328 -456
WIRE -280 -168 -280 -184
WIRE -168 -168 -280 -168
WIRE 328 -168 328 -184
WIRE 328 -168 280 -168
WIRE -280 -152 -280 -168
WIRE 328 -152 328 -168
WIRE -744 -72 -856 -72
WIRE -712 -72 -744 -72
WIRE -632 -72 -712 -72
WIRE -616 -72 -632 -72
WIRE -520 -72 -536 -72
WIRE -488 -72 -520 -72
WIRE -360 -72 -360 -248
WIRE -360 -72 -408 -72
WIRE -280 -72 -280 -88
WIRE -280 -72 -360 -72
WIRE -168 -72 -280 -72
WIRE 328 -72 328 -88
WIRE 328 -72 280 -72
WIRE 440 -72 440 -248
WIRE 440 -72 328 -72
WIRE 488 -72 440 -72
WIRE 584 -72 568 -72
WIRE 600 -72 584 -72
WIRE 696 -72 680 -72
WIRE 744 -72 696 -72
WIRE 824 -72 744 -72
WIRE 872 -72 824 -72
WIRE -856 -56 -856 -72
WIRE -360 -56 -360 -72
WIRE 440 -56 440 -72
WIRE 872 -56 872 -72
WIRE -712 -40 -712 -72
WIRE 744 -40 744 -72
WIRE -168 24 -312 24
WIRE 392 24 280 24
WIRE -856 40 -856 24
WIRE -712 40 -712 24
WIRE 744 40 744 24
WIRE 872 40 872 24
WIRE -360 56 -360 40
WIRE 440 56 440 40
WIRE -520 120 -520 -72
WIRE -168 120 -520 120
WIRE 584 120 584 -72
WIRE 584 120 280 120
WIRE -744 216 -744 -72
WIRE -632 216 -632 -72
WIRE -168 216 -632 216
WIRE 696 216 696 -72
WIRE 696 216 280 216
WIRE 824 216 824 -72
WIRE -744 312 -744 296
WIRE -168 312 -744 312
WIRE 824 312 824 296
WIRE 824 312 280 312
WIRE -744 328 -744 312
WIRE 824 328 824 312
WIRE -280 408 -328 408
WIRE -168 408 -216 408
WIRE 328 408 280 408
WIRE 424 408 392 408
WIRE -744 424 -744 408
WIRE 824 424 824 408
WIRE -280 504 -328 504
WIRE -168 504 -216 504
WIRE 328 504 280 504
WIRE 424 504 392 504
WIRE -88 584 -88 568
WIRE 56 584 56 568
WIRE 200 584 200 568
FLAG -600 -472 0
FLAG -88 584 0
FLAG 200 584 0
FLAG 440 56 0
FLAG 360 -472 0
FLAG 744 40 0
FLAG 824 424 0
FLAG 872 40 0
FLAG 424 408 0
FLAG 424 504 0
FLAG -360 56 0
FLAG -712 40 0
FLAG -744 424 0
FLAG -856 40 0
FLAG -328 408 0
FLAG -328 504 0
FLAG -472 -440 0
FLAG -600 -584 IN
FLAG -472 -552 RUN
FLAG 872 -72 OUT2
FLAG -856 -72 OUT1
SYMBOL PowerProducts\\LTC3890-1 56 24 R0
SYMATTR InstName U1
SYMBOL voltage -600 -584 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL nmos 392 -344 R0
SYMATTR InstName Q1
SYMATTR Value Si4896DY
SYMBOL nmos 392 -56 R0
SYMATTR InstName Q2
SYMATTR Value Si4896DY
SYMBOL diode 312 -248 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL cap 344 -552 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL cap 312 -152 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL ind 472 -56 R270
SYMATTR InstName L1
SYMATTR Value 7.2
SYMBOL res 584 -56 R270
SYMATTR InstName R1
SYMATTR Value 7m
SYMBOL cap 728 -40 R0
SYMATTR InstName C3
SYMATTR Value 150
SYMBOL res 808 200 R0
SYMATTR InstName R2
SYMATTR Value 280K
SYMBOL res 808 312 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL cap 328 424 R270
SYMATTR InstName C4
SYMATTR Value 220p
SYMATTR SpiceLine Rser=15K
SYMBOL cap 328 520 R270
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL nmos -312 -344 M0
SYMATTR InstName Q3
SYMATTR Value Si4896DY
SYMBOL nmos -312 -56 M0
SYMATTR InstName Q4
SYMATTR Value Si4896DY
SYMBOL diode -296 -248 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap -296 -152 R0
SYMATTR InstName C6
SYMATTR Value .1
SYMBOL ind -392 -56 M270
SYMATTR InstName L2
SYMATTR Value 7.2
SYMBOL res -520 -56 M270
SYMATTR InstName R4
SYMATTR Value 7m
SYMBOL cap -728 -40 R0
SYMATTR InstName C7
SYMATTR Value 150
SYMBOL res -760 200 R0
SYMATTR InstName R5
SYMATTR Value 62.5K
SYMBOL res -760 312 R0
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL cap -216 424 M270
SYMATTR InstName C8
SYMATTR Value 220p
SYMATTR SpiceLine Rser=15K
SYMBOL cap -216 520 M270
SYMATTR InstName C9
SYMATTR Value .001
SYMBOL voltage -472 -552 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 856 -72 R0
SYMATTR InstName Rload2
SYMATTR Value 3.4
SYMBOL res -872 -72 R0
SYMATTR InstName Rload1
SYMATTR Value .67