* SPICE netlist
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
XU1 OUT1 N001 N018 NC_01 NC_02 0 RUN RUN OUT2 N009 N013 N015 N017 NC_03 N003 N008 N005 N011 N001 NC_04 0 IN N010 N004 N007 N002 NC_05 NC_06 N016 N014 N012 N006 LTC3890 ;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+
Rload1 OUT1 0 .67
Rload2 OUT2 0 3.4
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1888 1344
WIRE -400 -672 -640 -672
WIRE -128 -672 -400 -672
WIRE 400 -672 -128 -672
WIRE -640 -656 -640 -672
WIRE 16 -656 -320 -656
WIRE 288 -656 16 -656
WIRE 320 -656 288 -656
WIRE -224 -640 -512 -640
WIRE 256 -640 -224 -640
WIRE 320 -640 320 -656
WIRE -512 -624 -512 -640
WIRE -128 -624 -128 -672
WIRE 16 -624 16 -656
WIRE -640 -560 -640 -576
WIRE -224 -560 -224 -640
WIRE -208 -560 -224 -560
WIRE 256 -560 256 -640
WIRE 256 -560 240 -560
WIRE 320 -560 320 -576
WIRE -512 -528 -512 -544
WIRE 288 -480 288 -656
WIRE 944 -480 288 -480
WIRE -400 -448 -400 -672
WIRE 400 -448 400 -672
WIRE -208 -368 -352 -368
WIRE 352 -368 240 -368
WIRE -320 -352 -320 -656
WIRE 288 -352 288 -480
WIRE -320 -272 -320 -288
WIRE -208 -272 -320 -272
WIRE 288 -272 288 -288
WIRE 288 -272 240 -272
WIRE -320 -256 -320 -272
WIRE 288 -256 288 -272
WIRE -816 -176 -928 -176
WIRE -768 -176 -816 -176
WIRE -672 -176 -768 -176
WIRE -656 -176 -672 -176
WIRE -560 -176 -576 -176
WIRE -528 -176 -560 -176
WIRE -400 -176 -400 -352
WIRE -400 -176 -448 -176
WIRE -320 -176 -320 -192
WIRE -320 -176 -400 -176
WIRE -208 -176 -320 -176
WIRE 288 -176 288 -192
WIRE 288 -176 240 -176
WIRE 400 -176 400 -352
WIRE 400 -176 288 -176
WIRE 448 -176 400 -176
WIRE 560 -176 528 -176
WIRE 576 -176 560 -176
WIRE 672 -176 656 -176
WIRE 720 -176 672 -176
WIRE 784 -176 720 -176
WIRE 832 -176 784 -176
WIRE -928 -160 -928 -176
WIRE -400 -160 -400 -176
WIRE 400 -160 400 -176
WIRE 832 -160 832 -176
WIRE -768 -144 -768 -176
WIRE 720 -144 720 -176
WIRE -208 -80 -352 -80
WIRE 352 -80 240 -80
WIRE -928 -64 -928 -80
WIRE -768 -64 -768 -80
WIRE 720 -64 720 -80
WIRE 832 -64 832 -80
WIRE -400 -48 -400 -64
WIRE 400 -48 400 -64
WIRE -560 16 -560 -176
WIRE -208 16 -560 16
WIRE 560 16 560 -176
WIRE 560 16 240 16
WIRE -816 112 -816 -176
WIRE -672 112 -672 -176
WIRE -208 112 -672 112
WIRE 672 112 672 -176
WIRE 672 112 240 112
WIRE 784 112 784 -176
WIRE -816 208 -816 192
WIRE -208 208 -816 208
WIRE 784 208 784 192
WIRE 784 208 240 208
WIRE -816 224 -816 208
WIRE 784 224 784 208
WIRE -320 304 -368 304
WIRE -208 304 -256 304
WIRE 272 304 240 304
WIRE 384 304 336 304
WIRE -816 320 -816 304
WIRE 784 320 784 304
WIRE -320 400 -368 400
WIRE -208 400 -256 400
WIRE 272 400 240 400
WIRE 384 400 336 400
WIRE 944 496 944 -480
WIRE 944 496 240 496
WIRE -128 672 -128 656
WIRE 16 672 16 656
WIRE 160 672 160 656
FLAG -640 -560 0
FLAG -128 672 0
FLAG 160 672 0
FLAG 400 -48 0
FLAG 320 -560 0
FLAG 720 -64 0
FLAG 784 320 0
FLAG 832 -64 0
FLAG 384 304 0
FLAG 384 400 0
FLAG -400 -48 0
FLAG -768 -64 0
FLAG -816 320 0
FLAG -928 -64 0
FLAG -368 304 0
FLAG -368 400 0
FLAG -512 -528 0
FLAG -640 -672 IN
FLAG -512 -640 RUN
FLAG 832 -176 OUT2
FLAG -928 -176 OUT1
SYMBOL voltage -640 -672 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL nmos 352 -448 R0
SYMATTR InstName Q1
SYMATTR Value Si4896DY
SYMBOL nmos 352 -160 R0
SYMATTR InstName Q2
SYMATTR Value Si4896DY
SYMBOL diode 272 -352 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL cap 304 -640 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL cap 272 -256 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL ind 432 -160 R270
SYMATTR InstName L1
SYMATTR Value 7.2
SYMBOL res 560 -160 R270
SYMATTR InstName R1
SYMATTR Value 7m
SYMBOL cap 704 -144 R0
SYMATTR InstName C3
SYMATTR Value 150
SYMBOL res 768 96 R0
SYMATTR InstName R2
SYMATTR Value 280K
SYMBOL res 768 208 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL cap 272 320 R270
SYMATTR InstName C4
SYMATTR Value 220p
SYMATTR SpiceLine Rser=15K
SYMBOL cap 272 416 R270
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL nmos -352 -448 M0
SYMATTR InstName Q3
SYMATTR Value Si4896DY
SYMBOL nmos -352 -160 M0
SYMATTR InstName Q4
SYMATTR Value Si4896DY
SYMBOL diode -336 -352 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap -336 -256 R0
SYMATTR InstName C6
SYMATTR Value .1
SYMBOL ind -432 -160 M270
SYMATTR InstName L2
SYMATTR Value 7.2
SYMBOL res -560 -160 M270
SYMATTR InstName R4
SYMATTR Value 7m
SYMBOL cap -784 -144 R0
SYMATTR InstName C7
SYMATTR Value 150
SYMBOL res -832 96 R0
SYMATTR InstName R5
SYMATTR Value 62.5K
SYMBOL res -832 208 R0
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL cap -256 320 M270
SYMATTR InstName C8
SYMATTR Value 220p
SYMATTR SpiceLine Rser=15K
SYMBOL cap -256 416 M270
SYMATTR InstName C9
SYMATTR Value .001
SYMBOL voltage -512 -640 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL PowerProducts\\LTC3890 16 16 R0
SYMATTR InstName U1
SYMBOL res -944 -176 R0
SYMATTR InstName Rload1
SYMATTR Value .67
SYMBOL res 816 -176 R0
SYMATTR InstName Rload2
SYMATTR Value 3.4