* SPICE netlist
L1 SW0 OUT0 1 Rser=2.5m
C1 BOOST0 SW0 0.1
C2 OUT0 0 200 Rser=2.5m Lser=.2n
I1 OUT0 0 PULSE(0 6 1.4m 1u 50u 100u) load
V1 VIN 0 12
V2 EXTVCC 0 5
V3 RUN0 0 PWL(500u 0 500.001u 5 3000u 5 3000.001u 0)
C3 0 VDD18 4.7
C4 0 DRVCC 10
C5 0 INTVCC 10
V4 CLK_EXT 0 PULSE(0 5 2.5m 1n 1n 500n 1u 500)
C6 CLK_EXT SYNC/PWM_CFG 1.5n
R1 SYNC/PWM_CFG 0 162k
R2 _ALERT EXTVCC 4700
R3 EXTVCC PGOOD1 10k
R6 PGOOD0 EXTVCC 10k
R7 _FAULT EXTVCC 10k
C7 0 N001 470p
R10 ITH1 N001 15k
L2 SW1 OUT1 470n Rser=2.5m
C8 BOOST1 SW1 0.1
C9 OUT1 0 200 Rser=2.5m Lser=.2n
I2 OUT1 0 PULSE(0 4 1.9m 1u 1u 100u) load
XU1 VIN SW0 0 SW1 BOOST0 BOOST1 DRVCC INTVCC EXTVCC VDD18 _ALERT 0 OUT0 0 RUN0 PGOOD0 ITH1 SYNC/PWM_CFG VIN OUT1 0 PGOOD0 INTVCC PGOOD1 _FAULT _FAULT LT7182S FREQUENCY_SWITCH=1Meg MFR_PWM_PHASE_0=0 VOUT_COMMAND_0=3.3 HPLV_0=0 PulseSkipMode_0=1 ILIM_RANGE_0=2 GMEA_CONTROL_0=3 RITH_0=40k CITH_0=80p OUTPUT_DISCHARGE_0=1 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 PulseSkipMode_1=0 ILIM_RANGE_1=2 GMEA_CONTROL_1=7 RITH_1=40k CITH_1=80p OUTPUT_DISCHARGE_1=1 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 ;pnba PVIN0)SW0)SGND)SW1)BOOST0)BOOST1)DRVCC)INTVCC)EXTVCC)VDD18)_ALERT)PGND)VSENSE0P)VSENSE0N)RUN0)PGOOD0)ITH1)SYNC/PWM_CFG)PVIN1)VSENSE1P)VSENSE1N)RUN1)ITH0)PGOOD1)_FAULT0)_FAULT1
.tran 3.6m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1456 1136
WIRE -296 -568 -312 -568
WIRE 104 -568 -296 -568
WIRE 264 -568 104 -568
WIRE -312 -552 -312 -568
WIRE 104 -520 104 -568
WIRE 264 -520 264 -568
WIRE -312 -456 -312 -472
WIRE -24 -456 -168 -456
WIRE 456 -456 392 -456
WIRE -168 -440 -168 -456
WIRE 456 -440 456 -456
WIRE -328 -360 -728 -360
WIRE -296 -360 -328 -360
WIRE -264 -360 -296 -360
WIRE -168 -360 -168 -376
WIRE -168 -360 -184 -360
WIRE -56 -360 -168 -360
WIRE -24 -360 -56 -360
WIRE 424 -360 392 -360
WIRE 456 -360 456 -376
WIRE 456 -360 424 -360
WIRE 520 -360 456 -360
WIRE 664 -360 600 -360
WIRE 680 -360 664 -360
WIRE 728 -360 680 -360
WIRE 728 -296 728 -360
WIRE -728 -264 -728 -360
WIRE -296 -264 -296 -360
WIRE -24 -264 -296 -264
WIRE 664 -264 664 -360
WIRE 664 -264 392 -264
WIRE -296 -248 -296 -264
WIRE 664 -248 664 -264
WIRE -296 -168 -296 -184
WIRE -24 -168 -296 -168
WIRE 664 -168 664 -184
WIRE 664 -168 392 -168
WIRE -728 -152 -728 -184
WIRE -296 -152 -296 -168
WIRE 664 -152 664 -168
WIRE 728 -152 728 -216
WIRE -72 -72 -696 -72
WIRE -24 -72 -72 -72
WIRE 440 -72 392 -72
WIRE -216 24 -264 24
WIRE -88 24 -136 24
WIRE -24 24 -88 24
WIRE 456 24 392 24
WIRE 536 24 456 24
WIRE 680 24 616 24
WIRE -264 120 -264 24
WIRE -216 120 -264 120
WIRE -72 120 -136 120
WIRE -24 120 -72 120
WIRE 456 120 392 120
WIRE -264 216 -264 120
WIRE -216 216 -264 216
WIRE -72 216 -136 216
WIRE -24 216 -72 216
WIRE 440 216 392 216
WIRE 472 216 440 216
WIRE 552 216 536 216
WIRE -424 312 -440 312
WIRE -264 312 -264 216
WIRE -264 312 -344 312
WIRE -88 312 -264 312
WIRE -24 312 -88 312
WIRE 440 312 392 312
WIRE 472 312 440 312
WIRE 552 312 536 312
WIRE -536 408 -680 408
WIRE -344 408 -536 408
WIRE -232 408 -280 408
WIRE -120 408 -232 408
WIRE -24 408 -120 408
WIRE 440 408 392 408
WIRE 472 408 440 408
WIRE 552 408 536 408
WIRE -232 424 -232 408
WIRE -680 472 -680 408
WIRE -24 504 -40 504
WIRE 424 504 392 504
WIRE 456 504 424 504
WIRE 552 504 536 504
WIRE 632 504 616 504
WIRE 104 568 104 552
WIRE 264 568 264 552
FLAG -168 -456 BOOST0
FLAG -56 -360 SW0
FLAG -296 -152 0
FLAG -728 -152 0
FLAG -328 -360 OUT0
FLAG -312 -456 0
FLAG -440 312 0
FLAG -696 8 0
FLAG -72 -72 RUN0
FLAG 552 312 0
FLAG 552 216 0
FLAG 440 312 VDD18
FLAG 440 216 DRVCC
FLAG 552 408 0
FLAG 440 408 INTVCC
FLAG -40 504 INTVCC
FLAG -680 552 0
FLAG -536 408 CLK_EXT
FLAG -120 408 SYNC/PWM_CFG
FLAG -232 504 0
FLAG 680 24 EXTVCC
FLAG -72 216 _ALERT
FLAG 456 24 PGOOD1
FLAG 456 120 _FAULT
FLAG -88 24 PGOOD0
FLAG -72 120 _FAULT
FLAG 440 -72 PGOOD0
FLAG 632 504 0
FLAG 264 568 0
FLAG 104 568 0
FLAG 424 504 ITH1
FLAG 456 -456 BOOST1
FLAG 424 -360 SW1
FLAG 664 -152 0
FLAG 728 -152 0
FLAG 680 -360 OUT1
FLAG -296 -568 VIN
FLAG -88 312 EXTVCC
SYMBOL ind -168 -344 M270
SYMATTR InstName L1
SYMATTR Value 1
SYMATTR SpiceLine Rser=2.5m
SYMBOL cap -184 -440 R0
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL cap -312 -248 R0
SYMATTR SpiceLine Rser=2.5m Lser=.2n
SYMATTR InstName C2
SYMATTR Value 200
SYMBOL current -728 -264 R0
SYMATTR SpiceLine load
SYMATTR Value PULSE(0 6 1.4m 1u 50u 100u)
SYMATTR InstName I1
SYMBOL voltage -312 -568 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -328 312 R90
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -696 -88 M0
SYMATTR Value PWL(500u 0 500.001u 5 3000u 5 3000.001u 0)
SYMATTR InstName V3
SYMBOL cap 536 328 M270
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL cap 536 232 M270
SYMATTR InstName C4
SYMATTR Value 10
SYMBOL cap 536 424 M270
SYMATTR InstName C5
SYMATTR Value 10
SYMBOL voltage -680 456 M0
SYMATTR Value PULSE(0 5 2.5m 1n 1n 500n 1u 500)
SYMATTR InstName V4
SYMBOL cap -344 392 M90
SYMATTR InstName C6
SYMATTR Value 1.5n
SYMBOL res -248 408 R0
SYMATTR InstName R1
SYMATTR Value 162k
SYMBOL res -120 200 R90
SYMATTR InstName R2
SYMATTR Value 4700
SYMBOL res 632 8 R90
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -120 8 R90
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res -120 104 R90
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL cap 616 520 M270
SYMATTR InstName C7
SYMATTR Value 470p
SYMBOL res 440 520 R270
SYMATTR InstName R10
SYMATTR Value 15k
SYMBOL ind 504 -344 R270
SYMATTR InstName L2
SYMATTR Value 470n
SYMATTR SpiceLine Rser=2.5m
SYMBOL cap 440 -440 R0
SYMATTR InstName C8
SYMATTR Value 0.1
SYMBOL cap 680 -248 M0
SYMATTR SpiceLine Rser=2.5m Lser=.2n
SYMATTR InstName C9
SYMATTR Value 200
SYMBOL current 728 -296 R0
SYMATTR SpiceLine load
SYMATTR Value PULSE(0 4 1.9m 1u 1u 100u)
SYMATTR InstName I2
SYMBOL LT7182S 184 24 R0
SYMATTR InstName U1