* SPICE netlist
V1 VIN 0 12
C3 0 VDD18 4.7
C4 0 DRVCC 10
C5 0 INTVCC 10
R3 EXTVCC PGOOD1 10k
C7 0 N001 470p
R6 ITH1 N001 15k
L2 SW1 OUT1 470n Rser=2.5m
C8 BOOST1 SW1 0.1
I2 OUT1 0 PULSE(0 4 1.9m 1u 1u 100u) load
L3 SW0 OUT0 1 Rser=2.5m
C10 BOOST0 SW0 0.1
I3 OUT0 0 PULSE(0 6 1.4m 1u 1u 100u) load
V5 EXTVCC 0 5
V6 RUN0 0 PWL(500u 0 500.001u 5 3000u 5 3000.001u 0)
V7 CLK_EXT 0 PULSE(0 5 2.5m 1n 1n 500n 1u 500)
C12 CLK_EXT SYNC 1.5n
R7 SYNC 0 162k
R8 _ALERT EXTVCC 4700
R9 PGOOD0 EXTVCC 10k
R10 _FAULT EXTVCC 10k
R11 SHARE_CLK EXTVCC 10k
C1 OUT1 0 100 x2 Rser=2m
C2 OUT0 0 100 x3 Rser=2m
R1 OUT1 0 0.3
R2 OUT0 0 3.3
XU1 VIN SW0 0 SW1 BOOST0 BOOST1 DRVCC INTVCC EXTVCC VDD18 _ALERT 0 OUT0 0 RUN0 PGOOD0 ITH1 SYNC VIN OUT1 0 PGOOD0 INTVCC PGOOD1 _FAULT _FAULT SHARE_CLK LT7184S FREQUENCY_SWITCH=1Meg MFR_PWM_PHASE_0=0 VOUT_COMMAND_0=3.3 HPLV_0=0 ILIM_RANGE_0=2 GMEA_CONTROL_0=3 RITH_0=40k CITH_0=80p MFR_DISCHARGE_THRESHOLD_0=0.2 VOUT_UV_FAULT_LIMIT_0=3.069 VOUT_OV_FAULT_LIMIT_0=3.63 VOUT_UV_WARN_LIMIT_0=3.086 VOUT_OV_WARN_LIMIT_0=3.5475 VIN_ON_0=1.5 VIN_OFF_0=1.45 TON_DELAY_0=0.01m TON_RISE_0=0.5m TOFF_DELAY_0=0.1m TOFF_FALL_0=0.3m MFR_PWM_PHASE_1=180 VOUT_COMMAND_1=0.8 HPLV_1=1 ILIM_RANGE_1=2 GMEA_CONTROL_1=7 RITH_1=40k CITH_1=80p MFR_DISCHARGE_THRESHOLD_1=0.2 VOUT_UV_FAULT_LIMIT_1=0.744 VOUT_OV_FAULT_LIMIT_1=0.88 VOUT_UV_WARN_LIMIT_1=0.748 VOUT_OV_WARN_LIMIT_1=0.86 VIN_ON_1= 1.4 VIN_OFF_1=1.35 TON_DELAY_1=0.1m TON_RISE_1=0.5m TOFF_DELAY_1=0 TOFF_FALL_1=0.3m EN_SYNC_OUT=0 ;pnba PVIN0)SW0)SGND)SW1)BOOST0)BOOST1)DRVCC)INTVCC)EXTVCC)VDD18)_ALERT)PGND)VSENS0P)VSENS0N)RUN0)PGOOD0)ITH1)SYNC)PVIN1)VSENS1P)VSENS1N)RUN1)ITH0)PGOOD1)_FAULT0)_FAULT1)SHARE_CLK
.tran 3.6m startup

* LTspice schematic (.asc)
Version 4.1
SHEET 1 1936 1184
WIRE -504 -592 -520 -592
WIRE 40 -592 -504 -592
WIRE 232 -592 40 -592
WIRE -520 -576 -520 -592
WIRE 40 -528 40 -592
WIRE 232 -528 232 -592
WIRE -520 -480 -520 -496
WIRE -168 -432 -344 -432
WIRE -120 -432 -168 -432
WIRE 456 -432 392 -432
WIRE 552 -432 456 -432
WIRE 552 -416 552 -432
WIRE -568 -352 -968 -352
WIRE -504 -352 -568 -352
WIRE -472 -352 -504 -352
WIRE -440 -352 -472 -352
WIRE -344 -352 -344 -368
WIRE -344 -352 -360 -352
WIRE -152 -352 -344 -352
WIRE -120 -352 -152 -352
WIRE 440 -352 392 -352
WIRE 552 -352 440 -352
WIRE 600 -352 552 -352
WIRE 744 -352 680 -352
WIRE 760 -352 744 -352
WIRE 872 -352 760 -352
WIRE 968 -352 872 -352
WIRE -968 -304 -968 -352
WIRE -568 -288 -568 -352
WIRE 872 -288 872 -352
WIRE 968 -288 968 -352
WIRE -472 -272 -472 -352
WIRE -120 -272 -472 -272
WIRE 744 -272 744 -352
WIRE 744 -272 392 -272
WIRE -472 -256 -472 -272
WIRE 744 -256 744 -272
WIRE -968 -192 -968 -224
WIRE -120 -192 -472 -192
WIRE 744 -192 392 -192
WIRE -568 -144 -568 -208
WIRE -472 -144 -472 -192
WIRE 744 -144 744 -192
WIRE 872 -144 872 -208
WIRE 968 -144 968 -208
WIRE -152 -112 -968 -112
WIRE -120 -112 -152 -112
WIRE 504 -112 392 -112
WIRE -968 -96 -968 -112
WIRE -392 -32 -440 -32
WIRE -168 -32 -312 -32
WIRE -120 -32 -168 -32
WIRE 456 -32 392 -32
WIRE 536 -32 456 -32
WIRE 680 -32 616 -32
WIRE -440 48 -440 -32
WIRE -392 48 -440 48
WIRE -168 48 -312 48
WIRE -120 48 -168 48
WIRE 456 48 392 48
WIRE -440 128 -440 48
WIRE -392 128 -440 128
WIRE -168 128 -312 128
WIRE -120 128 -168 128
WIRE 440 128 392 128
WIRE 472 128 440 128
WIRE 552 128 536 128
WIRE -600 208 -616 208
WIRE -440 208 -440 128
WIRE -440 208 -520 208
WIRE -168 208 -440 208
WIRE -120 208 -168 208
WIRE 440 208 392 208
WIRE 472 208 440 208
WIRE 552 208 536 208
WIRE -776 288 -808 288
WIRE -696 288 -776 288
WIRE -584 288 -632 288
WIRE -168 288 -584 288
WIRE -120 288 -168 288
WIRE 440 288 392 288
WIRE 472 288 440 288
WIRE 552 288 536 288
WIRE -584 304 -584 288
WIRE -808 352 -808 288
WIRE -360 368 -376 368
WIRE -200 368 -280 368
WIRE -120 368 -200 368
WIRE -120 448 -248 448
WIRE 424 448 392 448
WIRE 456 448 424 448
WIRE 552 448 536 448
WIRE 632 448 616 448
WIRE 40 592 40 560
WIRE 232 592 232 560
FLAG -520 -480 0
FLAG 552 208 0
FLAG 552 128 0
FLAG 440 208 VDD18
FLAG 440 128 DRVCC
FLAG 552 288 0
FLAG 440 288 INTVCC
FLAG 680 -32 EXTVCC
FLAG 456 -32 PGOOD1
FLAG 456 48 _FAULT
FLAG 632 448 0
FLAG 424 448 ITH1
FLAG 456 -432 BOOST1
FLAG 440 -352 SW1
FLAG 744 -144 0
FLAG 968 -144 0
FLAG 760 -352 OUT1
FLAG -504 -592 VIN
FLAG -168 -432 BOOST0
FLAG -152 -352 SW0
FLAG -472 -144 0
FLAG -968 -192 0
FLAG -504 -352 OUT0
FLAG -616 208 0
FLAG -968 -16 0
FLAG -152 -112 RUN0
FLAG -248 448 INTVCC
FLAG -808 432 0
FLAG -776 288 CLK_EXT
FLAG -168 288 SYNC
FLAG -584 384 0
FLAG -168 128 _ALERT
FLAG -168 -32 PGOOD0
FLAG -168 48 _FAULT
FLAG -168 208 EXTVCC
FLAG -376 368 EXTVCC
FLAG 40 592 0
FLAG 232 592 0
FLAG 504 -112 PGOOD0
FLAG 872 -144 0
FLAG -568 -144 0
FLAG -200 368 SHARE_CLK
SYMBOL voltage -520 -592 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 536 224 M270
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL cap 536 144 M270
SYMATTR InstName C4
SYMATTR Value 10
SYMBOL cap 536 304 M270
SYMATTR InstName C5
SYMATTR Value 10
SYMBOL res 632 -48 R90
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL cap 616 464 M270
SYMATTR InstName C7
SYMATTR Value 470p
SYMBOL res 440 464 R270
SYMATTR InstName R6
SYMATTR Value 15k
SYMBOL ind 584 -336 R270
SYMATTR InstName L2
SYMATTR Value 470n
SYMATTR SpiceLine Rser=2.5m
SYMBOL cap 536 -416 R0
SYMATTR Value 0.1
SYMATTR InstName C8
SYMBOL current 968 -288 R0
SYMATTR SpiceLine load
SYMATTR Value PULSE(0 4 1.9m 1u 1u 100u)
SYMATTR InstName I2
SYMBOL ind -344 -336 M270
SYMATTR InstName L3
SYMATTR Value 1
SYMATTR SpiceLine Rser=2.5m
SYMBOL cap -360 -432 R0
SYMATTR InstName C10
SYMATTR Value 0.1
SYMBOL current -968 -304 R0
SYMATTR SpiceLine load
SYMATTR Value PULSE(0 6 1.4m 1u 1u 100u)
SYMATTR InstName I3
SYMBOL voltage -504 208 R90
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL voltage -968 -112 R0
SYMATTR Value PWL(500u 0 500.001u 5 3000u 5 3000.001u 0)
SYMATTR InstName V6
SYMBOL voltage -808 336 R0
SYMATTR Value PULSE(0 5 2.5m 1n 1n 500n 1u 500)
SYMATTR InstName V7
SYMBOL cap -696 272 M90
SYMATTR InstName C12
SYMATTR Value 1.5n
SYMBOL res -600 288 R0
SYMATTR InstName R7
SYMATTR Value 162k
SYMBOL res -296 112 R90
SYMATTR InstName R8
SYMATTR Value 4700
SYMBOL res -296 -48 R90
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL res -296 32 R90
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL res -264 352 R90
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL cap 728 -256 R0
SYMATTR Value2 x2
SYMATTR Value 100
SYMATTR InstName C1
SYMATTR SpiceLine Rser=2m
SYMBOL cap -488 -256 R0
SYMATTR Value2 x3
SYMATTR Value 100
SYMATTR InstName C2
SYMATTR SpiceLine Rser=2m
SYMBOL res 856 -304 R0
SYMATTR InstName R1
SYMATTR Value 0.3
SYMBOL res -584 -304 R0
SYMATTR InstName R2
SYMATTR Value 3.3
SYMBOL LT7184S 88 -176 R0
SYMATTR InstName U1