* SPICE netlist
L1 N004 OUT1 4.7
C1 N002 N004 .22
R1 OUT1 N006 18.7K
R2 N006 0 15K
D1 0 N004 MBRS340
C2 N008 0 680p Rser=18.7K
C3 OUT1 0 100
C4 N012 0 500p
L2 N005 OUT2 10
C5 N005 N003 .22
R3 OUT2 N007 35.7K
R4 N007 0 11.5K
D2 0 N005 MBRS340
C6 N009 0 1000p Rser=16.8K
C7 OUT2 0 22
C8 N013 0 500p
R5 N026 0 107K
R6 N021 N023 100K
R7 N023 0 10K
R8 N021 N024 49.9K
R9 N024 0 18.7K
L3 N016 OUT3 15
C9 N014 N016 .22
R10 OUT3 N018 53.6K
R11 N018 0 10.2K
D3 0 N016 MBRS340
C10 N020 0 680p Rser=24.3K
C11 OUT3 0 22
C12 N025 0 500p
V1 N001 0 8
Q1 OUT2 N015 OUT4 0 2N2219A
R12 OUT4 N017 24.3K
R13 N017 0 11.5K
C13 N019 0 500p
C14 OUT4 0 2.2
Rload1 OUT1 0 .75
Rload2 OUT2 0 2.54
Rload3 OUT3 0 3.33
Rload4 OUT4 0 12.5
D4 OUT1 N002 BAT54
D5 OUT3 N014 BAT54
D6 OUT2 N003 BAT54
XU1 N002 N001 MP_01 N021 N023 N024 N008 N012 N006 N010 N011 N022 N026 N001 N001 N001 OUT2 N025 N020 N018 N013 N007 N009 N015 N017 N019 N003 N005 MP_02 N001 MP_03 N014 N016 MP_04 N001 MP_05 N004 MP_06 0 LT3507A ;pnba Boost1)Vin1))Vinsw)OVLO)UVLO)Vc1)Track/SS1)FB1)Pgood1)Pgood2)Pgood3)Rt)Run1)Run2)Run3)Bias)Track/SS3)Vc3)FB3)Track/SS2)FB2)Vc2)Drive)FB4)Track/SS4)Boost2)SW2))Vin2))Boost3)SW3))Vin3))SW1))GND
.tran 500u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1776 1088
WIRE -184 -544 -680 -544
WIRE -56 -544 -184 -544
WIRE 56 -544 -56 -544
WIRE 168 -544 56 -544
WIRE 296 -544 168 -544
WIRE -680 -528 -680 -544
WIRE -56 -528 -56 -544
WIRE 56 -528 56 -544
WIRE 168 -528 168 -544
WIRE -184 -464 -184 -544
WIRE -152 -464 -184 -464
WIRE 296 -464 296 -544
WIRE 296 -464 264 -464
WIRE -680 -432 -680 -448
WIRE -440 -400 -648 -400
WIRE -296 -400 -376 -400
WIRE -152 -400 -296 -400
WIRE 328 -400 264 -400
WIRE 440 -400 328 -400
WIRE 680 -400 504 -400
WIRE -744 -336 -872 -336
WIRE -648 -336 -648 -400
WIRE -648 -336 -744 -336
WIRE -600 -336 -648 -336
WIRE -488 -336 -520 -336
WIRE -296 -336 -488 -336
WIRE -152 -336 -296 -336
WIRE 328 -336 264 -336
WIRE 504 -336 328 -336
WIRE 568 -336 504 -336
WIRE 680 -336 680 -400
WIRE 680 -336 648 -336
WIRE 776 -336 680 -336
WIRE 840 -336 776 -336
WIRE 888 -336 840 -336
WIRE -872 -320 -872 -336
WIRE -744 -320 -744 -336
WIRE -648 -320 -648 -336
WIRE -488 -320 -488 -336
WIRE 504 -320 504 -336
WIRE 680 -320 680 -336
WIRE 776 -320 776 -336
WIRE 888 -320 888 -336
WIRE -152 -272 -360 -272
WIRE 472 -272 264 -272
WIRE -488 -240 -488 -256
WIRE 504 -240 504 -256
WIRE -872 -224 -872 -240
WIRE -744 -224 -744 -256
WIRE 776 -224 776 -256
WIRE 888 -224 888 -240
WIRE -648 -208 -648 -240
WIRE -360 -208 -360 -272
WIRE -360 -208 -648 -208
WIRE -296 -208 -328 -208
WIRE -152 -208 -232 -208
WIRE 328 -208 264 -208
WIRE 408 -208 392 -208
WIRE 472 -208 472 -272
WIRE 680 -208 680 -240
WIRE 680 -208 472 -208
WIRE -648 -192 -648 -208
WIRE 680 -192 680 -208
WIRE -152 -144 -168 -144
WIRE 280 -144 264 -144
WIRE -648 -96 -648 -112
WIRE 680 -96 680 -112
WIRE -296 -80 -328 -80
WIRE -152 -80 -232 -80
WIRE 312 -80 264 -80
WIRE 408 -80 376 -80
WIRE -184 -16 -184 -464
WIRE -152 -16 -184 -16
WIRE 744 -16 264 -16
WIRE 840 -16 840 -336
WIRE 840 -16 744 -16
WIRE 744 0 744 -16
WIRE -440 48 -648 48
WIRE -296 48 -376 48
WIRE -152 48 -296 48
WIRE 680 48 264 48
WIRE -744 112 -872 112
WIRE -648 112 -648 48
WIRE -648 112 -744 112
WIRE -600 112 -648 112
WIRE -488 112 -520 112
WIRE -296 112 -488 112
WIRE -152 112 -296 112
WIRE 504 112 264 112
WIRE 584 112 504 112
WIRE 744 112 744 96
WIRE 744 112 664 112
WIRE 856 112 744 112
WIRE -872 128 -872 112
WIRE -744 128 -744 112
WIRE -648 128 -648 112
WIRE -488 128 -488 112
WIRE 504 128 504 112
WIRE 744 128 744 112
WIRE 856 128 856 112
WIRE -152 176 -360 176
WIRE 280 176 264 176
WIRE 360 176 344 176
WIRE -488 208 -488 192
WIRE -872 224 -872 208
WIRE -744 224 -744 192
WIRE 504 224 504 208
WIRE 744 224 744 192
WIRE 856 224 856 208
WIRE -648 240 -648 208
WIRE -360 240 -360 176
WIRE -360 240 -648 240
WIRE -296 240 -328 240
WIRE -152 240 -232 240
WIRE 328 240 264 240
WIRE 472 240 328 240
WIRE -648 256 -648 240
WIRE 328 256 328 240
WIRE 472 256 472 240
WIRE -152 304 -168 304
WIRE 296 304 264 304
WIRE -648 352 -648 336
WIRE 296 352 296 304
WIRE 328 352 328 336
WIRE 328 352 296 352
WIRE 472 352 472 336
WIRE 472 352 424 352
WIRE -296 368 -328 368
WIRE -152 368 -232 368
WIRE 280 368 264 368
WIRE 328 368 328 352
WIRE 472 368 472 352
WIRE -8 448 -8 432
WIRE 136 448 136 432
WIRE 280 480 280 368
WIRE 424 480 424 352
WIRE 424 480 280 480
WIRE 136 544 136 528
FLAG -488 -240 0
FLAG -328 -208 0
FLAG -648 -96 0
FLAG -872 -224 0
FLAG -744 -224 0
FLAG -328 -80 0
FLAG 504 -240 0
FLAG 408 -208 0
FLAG 680 -96 0
FLAG 888 -224 0
FLAG 776 -224 0
FLAG 408 -80 0
FLAG -8 448 0
FLAG 136 544 0
FLAG 328 448 0
FLAG 472 448 0
FLAG -488 208 0
FLAG -328 240 0
FLAG -648 352 0
FLAG -872 224 0
FLAG -744 224 0
FLAG -328 368 0
FLAG -680 -432 0
FLAG 504 224 0
FLAG 360 176 0
FLAG 744 224 0
FLAG 856 224 0
FLAG -872 -336 OUT1
FLAG 888 -336 OUT2
FLAG -872 112 OUT3
FLAG 856 112 OUT4
SYMBOL ind -504 -320 M270
SYMATTR InstName L1
SYMATTR Value 4.7
SYMBOL cap -312 -400 R0
SYMATTR InstName C1
SYMATTR Value .22
SYMBOL res -664 -336 R0
SYMATTR InstName R1
SYMATTR Value 18.7K
SYMBOL res -664 -208 R0
SYMATTR InstName R2
SYMATTR Value 15K
SYMBOL schottky -504 -256 M180
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -232 -224 R90
SYMATTR InstName C2
SYMATTR Value 680p
SYMATTR SpiceLine Rser=18.7K
SYMBOL cap -760 -320 R0
SYMATTR InstName C3
SYMATTR Value 100
SYMBOL cap -232 -96 R90
SYMATTR InstName C4
SYMATTR Value 500p
SYMBOL ind 552 -320 R270
SYMATTR InstName L2
SYMATTR Value 10
SYMBOL cap 312 -336 M180
SYMATTR InstName C5
SYMATTR Value .22
SYMBOL res 664 -336 R0
SYMATTR InstName R3
SYMATTR Value 35.7K
SYMBOL res 664 -208 R0
SYMATTR InstName R4
SYMATTR Value 11.5K
SYMBOL schottky 488 -256 M180
SYMATTR InstName D2
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 328 -224 M90
SYMATTR InstName C6
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=16.8K
SYMBOL cap 760 -320 R0
SYMATTR InstName C7
SYMATTR Value 22
SYMBOL cap 312 -96 M90
SYMATTR InstName C8
SYMATTR Value 500p
SYMBOL res 120 432 R0
SYMATTR InstName R5
SYMATTR Value 107K
SYMBOL res 312 240 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL res 312 352 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res 456 240 R0
SYMATTR InstName R8
SYMATTR Value 49.9K
SYMBOL res 456 352 R0
SYMATTR InstName R9
SYMATTR Value 18.7K
SYMBOL ind -504 128 M270
SYMATTR InstName L3
SYMATTR Value 15
SYMBOL cap -312 48 R0
SYMATTR InstName C9
SYMATTR Value .22
SYMBOL res -664 112 R0
SYMATTR InstName R10
SYMATTR Value 53.6K
SYMBOL res -664 240 R0
SYMATTR InstName R11
SYMATTR Value 10.2K
SYMBOL schottky -504 192 M180
SYMATTR InstName D3
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -232 224 R90
SYMATTR InstName C10
SYMATTR Value 680p
SYMATTR SpiceLine Rser=24.3K
SYMBOL cap -760 128 R0
SYMATTR InstName C11
SYMATTR Value 22
SYMBOL cap -232 352 R90
SYMATTR InstName C12
SYMATTR Value 500p
SYMBOL voltage -680 -544 R0
SYMATTR InstName V1
SYMATTR Value 8
SYMBOL npn 680 0 R0
SYMATTR InstName Q1
SYMATTR Value 2N2219A
SYMBOL res 680 96 R90
SYMATTR InstName R12
SYMATTR Value 24.3K
SYMBOL res 488 112 R0
SYMATTR InstName R13
SYMATTR Value 11.5K
SYMBOL cap 280 160 M90
SYMATTR InstName C13
SYMATTR Value 500p
SYMBOL cap 728 128 R0
SYMATTR InstName C14
SYMATTR Value 2.2
SYMBOL res -888 -336 R0
SYMATTR InstName Rload1
SYMATTR Value .75
SYMBOL res 872 -336 R0
SYMATTR InstName Rload2
SYMATTR Value 2.54
SYMBOL res -888 112 R0
SYMATTR InstName Rload3
SYMATTR Value 3.33
SYMBOL res 840 112 R0
SYMATTR InstName Rload4
SYMATTR Value 12.5
SYMBOL schottky -440 -384 R270
SYMATTR InstName D4
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -440 64 R270
SYMATTR InstName D5
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 504 -384 M270
SYMATTR InstName D6
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LT3507A 56 -48 R0
SYMATTR InstName U1