* SPICE netlist
L1 N002 OUT1 2.2
R11 OUT1 N003 1Meg
R12 N003 0 191K
C11 OUT1 N003 10p
C12 OUT1 0 47
C13 N001 N002 0.1
V1 VIN_HV 0 24
L2 N007 OUT2 1.5
R2 OUT2 N009 1Meg
R3 N009 0 316K
C4 OUT2 N009 10p
C5 OUT2 0 47
Rload2 OUT2 0 1.64
C6 N004 N007 0.1
L3 N013 OUT3 1
R5 OUT3 N014 124K
R6 N014 0 100K
C7 OUT3 N014 47p
C8 OUT3 0 100
Rload3 OUT3 0 988m
C9 N011 N013 0.1
L4 N017 OUT4 0.56
R7 OUT4 N018 100K
R8 N018 0 200K
C10 OUT4 N018 47p
C14 OUT4 0 100
Rload4 OUT4 0 604m
C15 N015 N017 0.1
R1 N016 0 22.6K
C3 N005 0 4.7
C16 N019 0 1n
C18 OUT1 0 1
C2 OUT1 0 1
V2 VIN_LV 0 8
Rload1 OUT1 0 2.49
C19 OUT2 0 1
R9 N006 N005 100K
R10 N008 N005 100K
R13 N010 N005 100K
R14 N012 N005 100K
C21 OUT3 0 1
C22 OUT4 0 1
C1 N020 0 1n
C17 N021 0 1n
C20 N022 0 1n
XU2 N002 N001 N006 N019 VIN_HV N003 VIN_HV N009 VIN_HV VIN_HV N020 0 N016 N021 VIN_LV VIN_LV N014 VIN_LV N018 VIN_LV N022 N012 N015 N017 N013 N011 N010 N005 OUT1 N008 N004 N007 0 LT8686S ;pnba SW1)BST1)PG1)TRK/SS1)EN/UVLO)FB1)EN2)FB2)VIN1)VIN2)TRK/SS2)SYNC/MODE)RT)TRK/SS3)VIN3)VIN4)FB3)EN3)FB4)EN4)TRK/SS4)PG4)BST4)SW4)SW3)BST3)PG3)INTVCC)BIAS)PG2)BST2)SW2)GND
.tran 0.6m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1520 1424
WIRE 568 -712 -616 -712
WIRE -40 -648 -392 -648
WIRE 56 -648 -40 -648
WIRE 232 -648 56 -648
WIRE 280 -648 232 -648
WIRE 280 -632 280 -648
WIRE -520 -616 -568 -616
WIRE -376 -616 -520 -616
WIRE -264 -616 -376 -616
WIRE -152 -616 -264 -616
WIRE -568 -600 -568 -616
WIRE -264 -584 -264 -616
WIRE -152 -584 -152 -616
WIRE -40 -584 -40 -648
WIRE 56 -584 56 -648
WIRE 280 -536 280 -552
WIRE -376 -520 -376 -616
WIRE -360 -520 -376 -520
WIRE 184 -520 152 -520
WIRE -568 -504 -568 -520
WIRE 184 -504 184 -520
WIRE -376 -424 -376 -520
WIRE -360 -424 -376 -424
WIRE 184 -424 184 -440
WIRE 184 -424 152 -424
WIRE 232 -424 184 -424
WIRE 360 -424 312 -424
WIRE 440 -424 360 -424
WIRE 568 -424 568 -712
WIRE 568 -424 440 -424
WIRE 664 -424 568 -424
WIRE 760 -424 664 -424
WIRE 360 -408 360 -424
WIRE 568 -408 568 -424
WIRE 664 -408 664 -424
WIRE 760 -408 760 -424
WIRE -392 -328 -392 -648
WIRE -360 -328 -392 -328
WIRE 360 -328 360 -344
WIRE 360 -328 152 -328
WIRE 440 -328 440 -344
WIRE 440 -328 360 -328
WIRE 440 -312 440 -328
WIRE 568 -312 568 -344
WIRE 664 -312 664 -344
WIRE 760 -312 760 -328
WIRE -392 -232 -392 -328
WIRE -360 -232 -392 -232
WIRE 184 -232 152 -232
WIRE 184 -216 184 -232
WIRE 440 -216 440 -232
WIRE -520 -136 -552 -136
WIRE -360 -136 -440 -136
WIRE 184 -136 184 -152
WIRE 184 -136 152 -136
WIRE 232 -136 184 -136
WIRE 360 -136 312 -136
WIRE 440 -136 360 -136
WIRE 568 -136 440 -136
WIRE 664 -136 568 -136
WIRE 760 -136 664 -136
WIRE 360 -120 360 -136
WIRE 568 -120 568 -136
WIRE 664 -120 664 -136
WIRE 760 -120 760 -136
WIRE -552 -40 -552 -136
WIRE -520 -40 -552 -40
WIRE -360 -40 -440 -40
WIRE 360 -40 360 -56
WIRE 360 -40 152 -40
WIRE 440 -40 440 -56
WIRE 440 -40 360 -40
WIRE 440 -24 440 -40
WIRE 568 -24 568 -56
WIRE 664 -24 664 -56
WIRE 760 -24 760 -40
WIRE -552 56 -552 -40
WIRE -520 56 -552 56
WIRE -360 56 -440 56
WIRE 184 56 152 56
WIRE 184 72 184 56
WIRE 440 72 440 56
WIRE -552 152 -552 56
WIRE -520 152 -552 152
WIRE -360 152 -440 152
WIRE 184 152 184 136
WIRE 184 152 152 152
WIRE 232 152 184 152
WIRE 360 152 312 152
WIRE 440 152 360 152
WIRE 568 152 440 152
WIRE 664 152 568 152
WIRE 760 152 664 152
WIRE 360 168 360 152
WIRE 568 168 568 152
WIRE 664 168 664 152
WIRE 760 168 760 152
WIRE -728 248 -760 248
WIRE -616 248 -616 -712
WIRE -616 248 -664 248
WIRE -360 248 -616 248
WIRE 360 248 360 232
WIRE 360 248 152 248
WIRE 440 248 440 232
WIRE 440 248 360 248
WIRE 440 264 440 248
WIRE 568 264 568 232
WIRE 664 264 664 232
WIRE 760 264 760 248
WIRE -552 344 -552 152
WIRE -360 344 -552 344
WIRE 184 344 152 344
WIRE -552 360 -552 344
WIRE 184 360 184 344
WIRE 440 360 440 344
WIRE -552 440 -552 424
WIRE -472 440 -552 440
WIRE -360 440 -392 440
WIRE 184 440 184 424
WIRE 184 440 152 440
WIRE 232 440 184 440
WIRE 360 440 312 440
WIRE 440 440 360 440
WIRE 568 440 440 440
WIRE 664 440 568 440
WIRE 760 440 664 440
WIRE 360 456 360 440
WIRE 568 456 568 440
WIRE 664 456 664 440
WIRE 760 456 760 440
WIRE -552 472 -552 440
WIRE -360 536 -376 536
WIRE 360 536 360 520
WIRE 360 536 152 536
WIRE 440 536 440 520
WIRE 440 536 360 536
WIRE 440 552 440 536
WIRE 568 552 568 520
WIRE 664 552 664 520
WIRE 760 552 760 536
WIRE 88 616 88 600
WIRE -296 632 -296 600
WIRE -200 632 -200 600
WIRE -104 632 -104 600
WIRE -8 632 -8 600
WIRE 440 648 440 632
WIRE -296 712 -296 696
WIRE -200 712 -200 696
WIRE -104 712 -104 696
WIRE -8 712 -8 696
FLAG 88 616 0
FLAG 664 -424 OUT1
FLAG -568 -504 0
FLAG -520 -616 VIN_HV
FLAG 440 -216 0
FLAG 568 -312 0
FLAG 760 -24 0
FLAG 664 -136 OUT2
FLAG 440 72 0
FLAG 568 -24 0
FLAG 664 152 OUT3
FLAG 440 360 0
FLAG 568 264 0
FLAG 760 552 0
FLAG 664 440 OUT4
FLAG 440 648 0
FLAG 568 552 0
FLAG -552 472 0
FLAG -296 712 0
FLAG -104 712 0
FLAG -760 248 0
FLAG 760 264 0
FLAG -376 536 0
FLAG -8 712 0
FLAG 664 -312 0
FLAG 280 -536 0
FLAG 232 -648 VIN_LV
FLAG 760 -312 0
FLAG 664 -24 0
FLAG -200 712 0
FLAG 664 264 0
FLAG 664 552 0
SYMBOL ind 216 -408 R270
SYMATTR InstName L1
SYMATTR Value 2.2
SYMBOL res 424 -440 R0
SYMATTR InstName R11
SYMATTR Value 1Meg
SYMBOL res 424 -328 R0
SYMATTR InstName R12
SYMATTR Value 191K
SYMBOL cap 344 -408 R0
SYMATTR InstName C11
SYMATTR Value 10p
SYMBOL cap 552 -408 R0
SYMATTR InstName C12
SYMATTR Value 47
SYMBOL cap 168 -504 R0
SYMATTR InstName C13
SYMATTR Value 0.1
SYMBOL voltage -568 -616 R0
SYMATTR Value 24
SYMATTR InstName V1
SYMBOL ind 216 -120 R270
SYMATTR InstName L2
SYMATTR Value 1.5
SYMBOL res 424 -152 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res 424 -40 R0
SYMATTR InstName R3
SYMATTR Value 316K
SYMBOL cap 344 -120 R0
SYMATTR InstName C4
SYMATTR Value 10p
SYMBOL cap 552 -120 R0
SYMATTR InstName C5
SYMATTR Value 47
SYMBOL res 744 -136 R0
SYMATTR InstName Rload2
SYMATTR Value 1.64
SYMBOL cap 168 -216 R0
SYMATTR InstName C6
SYMATTR Value 0.1
SYMBOL ind 216 168 R270
SYMATTR InstName L3
SYMATTR Value 1
SYMBOL res 424 136 R0
SYMATTR InstName R5
SYMATTR Value 124K
SYMBOL res 424 248 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL cap 344 168 R0
SYMATTR InstName C7
SYMATTR Value 47p
SYMBOL cap 552 168 R0
SYMATTR InstName C8
SYMATTR Value 100
SYMBOL res 744 152 R0
SYMATTR InstName Rload3
SYMATTR Value 988m
SYMBOL cap 168 72 R0
SYMATTR InstName C9
SYMATTR Value 0.1
SYMBOL ind 216 456 R270
SYMATTR InstName L4
SYMATTR Value 0.56
SYMBOL res 424 424 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 424 536 R0
SYMATTR InstName R8
SYMATTR Value 200K
SYMBOL cap 344 456 R0
SYMATTR InstName C10
SYMATTR Value 47p
SYMBOL cap 552 456 R0
SYMATTR InstName C14
SYMATTR Value 100
SYMBOL res 744 440 R0
SYMATTR InstName Rload4
SYMATTR Value 604m
SYMBOL cap 168 360 R0
SYMATTR InstName C15
SYMATTR Value 0.1
SYMBOL res -376 424 R90
SYMATTR InstName R1
SYMATTR Value 22.6K
SYMBOL cap -568 360 R0
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL cap -312 632 R0
SYMATTR InstName C16
SYMATTR Value 1n
SYMBOL cap -664 232 R90
SYMATTR InstName C18
SYMATTR Value 1
SYMBOL cap 648 -408 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL voltage 280 -648 R0
SYMATTR InstName V2
SYMATTR Value 8
SYMBOL res 744 -424 R0
SYMATTR InstName Rload1
SYMATTR Value 2.49
SYMBOL cap 648 -120 R0
SYMATTR InstName C19
SYMATTR Value 1
SYMBOL res -424 -152 R90
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL res -424 -56 R90
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL res -424 40 R90
SYMATTR InstName R13
SYMATTR Value 100K
SYMBOL res -424 136 R90
SYMATTR InstName R14
SYMATTR Value 100K
SYMBOL cap 648 168 R0
SYMATTR InstName C21
SYMATTR Value 1
SYMBOL cap 648 456 R0
SYMATTR InstName C22
SYMATTR Value 1
SYMBOL cap -216 632 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap -120 632 R0
SYMATTR InstName C17
SYMATTR Value 1n
SYMBOL cap -24 632 R0
SYMATTR InstName C20
SYMATTR Value 1n
SYMBOL LT8686S -104 8 R0
SYMATTR InstName U2