* SPICE netlist
R8 FB2 0 90.9k
R9 FB1 0 19.1k
V1 IN 0 12
C1 N004 0 1n
C2 OUT1 0 47 X2
C3 OUT1 0 10
C4 OUT2 0 47 X2
C5 OUT2 0 10
C6 OUT1 FB1 100p
C7 OUT2 FB2 100p
C8 N003 0 1n
R1 IntVcc N002 100k
R2 N001 IntVcc 100k
R3 OUT2 0 0.2
R4 OUT1 0 0.5
XU1 N001 MP_01 IN 0 NC_02 IN 0 N002 FB2 N004 COMP2 MP_03 OUT2 MP_04 IN MP_05 MP_06 MP_07 IntVcc MP_08 IN MP_09 OUT1 MP_10 MP_11 COMP1 N003 FB1 0 LTM4705 ;pnba PGOOD1))RUN1)SYNC/MODE)FREQ)RUN2)SGND)PGOOD2)VFB2)TRACK/SS2)COMP2))VOUT2))VIN2))))INTVCC))VIN1))VOUT1)))COMP1)TRACK/SS1)VFB1)PGND
.tran 0.8m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1456 768
WIRE -184 -384 -392 -384
WIRE 264 -384 -184 -384
WIRE -392 -368 -392 -384
WIRE -40 -352 -72 -352
WIRE -40 -336 -40 -352
WIRE 104 -336 104 -352
WIRE -392 -272 -392 -288
WIRE -184 -272 -184 -384
WIRE -152 -272 -184 -272
WIRE 264 -272 264 -384
WIRE 264 -272 232 -272
WIRE -184 -176 -184 -272
WIRE -152 -176 -184 -176
WIRE 264 -176 264 -272
WIRE 264 -176 232 -176
WIRE -264 -80 -296 -80
WIRE -152 -80 -184 -80
WIRE 264 -80 232 -80
WIRE 360 -80 344 -80
WIRE -680 16 -712 16
WIRE -616 16 -680 16
WIRE -504 16 -616 16
WIRE -376 16 -504 16
WIRE -152 16 -376 16
WIRE 392 16 232 16
WIRE 504 16 392 16
WIRE 616 16 504 16
WIRE 712 16 616 16
WIRE 728 16 712 16
WIRE -712 32 -712 16
WIRE -616 32 -616 16
WIRE -504 32 -504 16
WIRE -376 32 -376 16
WIRE 392 32 392 16
WIRE 504 32 504 16
WIRE 616 32 616 16
WIRE 728 32 728 16
WIRE -376 112 -376 96
WIRE -232 112 -376 112
WIRE -152 112 -232 112
WIRE 296 112 232 112
WIRE 392 112 392 96
WIRE 392 112 296 112
WIRE -616 128 -616 96
WIRE -504 128 -504 96
WIRE 504 128 504 96
WIRE 616 128 616 96
WIRE -712 144 -712 112
WIRE 728 144 728 112
WIRE -152 208 -184 208
WIRE 248 208 232 208
WIRE -248 304 -280 304
WIRE -152 304 -184 304
WIRE 264 304 232 304
WIRE 360 304 328 304
WIRE 40 384 40 368
WIRE 168 384 168 368
FLAG 40 384 0
FLAG 168 384 0
FLAG -280 304 0
FLAG -72 -352 IntVcc
FLAG 360 -80 IntVcc
FLAG -296 -80 IntVcc
FLAG -184 208 COMP1
FLAG 248 208 COMP2
FLAG -680 16 OUT1
FLAG 712 16 OUT2
FLAG -232 112 FB1
FLAG 296 112 FB2
FLAG -376 192 0
FLAG 392 192 0
FLAG -392 -272 0
FLAG -712 144 0
FLAG 728 144 0
FLAG 104 -352 0
FLAG -392 -384 IN
FLAG 360 304 0
FLAG -504 128 0
FLAG -616 128 0
FLAG 616 128 0
FLAG 504 128 0
SYMBOL res 376 96 R0
SYMATTR InstName R8
SYMATTR Value 90.9k
SYMBOL res -392 96 R0
SYMATTR InstName R9
SYMATTR Value 19.1k
SYMBOL voltage -392 -384 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 264 288 M90
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap -520 32 R0
SYMATTR Value2 X2
SYMATTR InstName C2
SYMATTR Value 47
SYMBOL cap -632 32 R0
SYMATTR InstName C3
SYMATTR Value 10
SYMBOL cap 600 32 R0
SYMATTR Value2 X2
SYMATTR InstName C4
SYMATTR Value 47
SYMBOL cap 488 32 R0
SYMATTR InstName C5
SYMATTR Value 10
SYMBOL cap -392 32 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL cap 376 32 R0
SYMATTR InstName C7
SYMATTR Value 100p
SYMBOL cap -184 288 R90
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL res 360 -96 R90
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res -168 -96 R90
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 712 16 R0
SYMATTR InstName R3
SYMATTR Value 0.2
SYMBOL res -728 16 R0
SYMATTR InstName R4
SYMATTR Value 0.5
SYMBOL LTM4705 40 64 R0
SYMATTR InstName U1