* SPICE netlist
V1 vIN 0 12
R2 0 N011 51.1k
M3 N008 PWMTG1 N006 N006 Si7113DN
D_LED1 N008 0 LXHL-BW02 n=10
M1 N001 Gate1 N004 N004 IPD079N06L3
D1 N001 vOUT1 PDS5100
L1 vIN N001 15 Rser=3m
C3 vOUT1 0 10 Rser=3m
Rsen1 N004 0 12.5m
R1 Vc1 N012 39k
C2 N012 0 0.47n
Rispsen1 vOUT1 N006 500m
C1 INTVcc 0 2.2
R5 vOUT1 FB1 1Meg
R6 FB1 0 36.1k
R7 vIN N003 499k
R8 0 N003 147k
L2 vIN N002 15 Rser=3m
D2 N002 vOUT2 PDS5100
R9 N013 Vc2 39k
C4 0 N013 0.47n
C5 vOUT2 0 10 Rser=3m
R10 vOUT2 FB2 1Meg
R11 FB2 0 18.2k
M4 N009 PWMTG2 N007 N007 Si7113DN
D_LED2 N009 0 LXHL-BW02 n=8
Rispsen2 vOUT2 N007 500m
M2 N002 Gate2 N005 N005 IPD079N06L3
Rsen2 N005 0 12.5m
V2 N014 0 1.2
V3 N010 0 PULSE(0 2 2m 5m 5m 0 1)
XU1 vOUT1 N006 PWMTG1 0 NC_01 Gate1 FB1 Vc1 INTVcc N003 N010 N011 vIN N014 INTVcc 0 NC_02 N004 0 N005 Gate2 NC_03 INTVcc vOUT2 N007 Vc2 FB2 PWMTG2 N014 LT8355-1 ;pnba ISP1)ISN1)PWMTG1)GND)_Fault1)Gate1)FB1)Vc1)CTRL1)EN/UVLO)IADJ2)RT)Vin)PWM1)INTVcc)SenseN2)Vref)SenseP1)SenseN1)SenseP2)Gate2)_Fault2)CTRL2)ISP2)ISN2)Vc2)FB2)PWMTG2)PWM2
.tran 8m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2048 1456
WIRE -96 -728 -128 -728
WIRE 32 -728 -16 -728
WIRE -896 -648 -1008 -648
WIRE -720 -648 -896 -648
WIRE -608 -648 -720 -648
WIRE -432 -648 -544 -648
WIRE -336 -648 -432 -648
WIRE -160 -648 -256 -648
WIRE 32 -648 32 -728
WIRE 32 -648 -160 -648
WIRE 160 -648 32 -648
WIRE 272 -648 160 -648
WIRE 432 -648 352 -648
WIRE 560 -648 432 -648
WIRE 736 -648 624 -648
WIRE 912 -648 736 -648
WIRE 1024 -648 912 -648
WIRE 160 -632 160 -648
WIRE 736 -600 736 -648
WIRE -720 -584 -720 -648
WIRE 160 -520 160 -552
WIRE 240 -520 160 -520
WIRE 368 -520 320 -520
WIRE 736 -504 736 -536
WIRE -896 -488 -896 -648
WIRE -720 -488 -720 -520
WIRE 912 -488 912 -648
WIRE -160 -472 -160 -648
WIRE 160 -472 160 -520
WIRE -432 -440 -432 -648
WIRE 432 -440 432 -648
WIRE -304 -360 -384 -360
WIRE -240 -360 -304 -360
WIRE 304 -360 240 -360
WIRE 384 -360 304 -360
WIRE -896 -328 -896 -408
WIRE -768 -328 -896 -328
WIRE -432 -328 -432 -344
WIRE -320 -328 -432 -328
WIRE 432 -328 432 -344
WIRE 432 -328 320 -328
WIRE 912 -328 912 -408
WIRE 912 -328 784 -328
WIRE -896 -296 -896 -328
WIRE -432 -296 -432 -328
WIRE 432 -296 432 -328
WIRE 912 -296 912 -328
WIRE -320 -280 -320 -328
WIRE -240 -280 -320 -280
WIRE 320 -280 320 -328
WIRE 320 -280 240 -280
WIRE -432 -200 -432 -216
WIRE -240 -200 -432 -200
WIRE 432 -200 432 -216
WIRE 432 -200 240 -200
WIRE -432 -184 -432 -200
WIRE 432 -184 432 -200
WIRE -896 -168 -896 -216
WIRE 912 -168 912 -216
WIRE -592 -120 -768 -328
WIRE -304 -120 -592 -120
WIRE -240 -120 -304 -120
WIRE 304 -120 240 -120
WIRE 608 -120 784 -328
WIRE 608 -120 304 -120
WIRE -1008 -104 -1008 -648
WIRE -864 -104 -1008 -104
WIRE 1024 -104 1024 -648
WIRE 1024 -104 880 -104
WIRE -1008 -72 -1008 -104
WIRE 1024 -72 1024 -104
WIRE -816 -40 -864 -104
WIRE -240 -40 -816 -40
WIRE 832 -40 880 -104
WIRE 832 -40 240 -40
WIRE -1008 40 -1008 8
WIRE -240 40 -1008 40
WIRE 1024 40 1024 8
WIRE 1024 40 240 40
WIRE -1008 120 -1008 40
WIRE 1024 120 1024 40
WIRE -320 136 -960 136
WIRE -240 136 -320 136
WIRE 320 136 240 136
WIRE 976 136 320 136
WIRE -240 232 -288 232
WIRE 272 232 240 232
WIRE -1008 280 -1008 216
WIRE 1024 280 1024 216
WIRE -384 312 -416 312
WIRE -288 312 -288 232
WIRE -288 312 -320 312
WIRE -240 312 -288 312
WIRE 384 312 240 312
WIRE 512 312 464 312
WIRE -1008 408 -1008 344
WIRE 1024 408 1024 344
WIRE 352 472 240 472
WIRE 464 472 432 472
WIRE -480 552 -496 552
WIRE -384 552 -416 552
WIRE -272 552 -304 552
WIRE -240 552 -272 552
WIRE 272 552 240 552
WIRE 304 552 272 552
WIRE 416 552 384 552
WIRE 496 552 480 552
WIRE 0 680 0 648
WIRE -320 728 -384 728
WIRE -160 728 -160 648
WIRE -160 728 -240 728
WIRE 160 728 160 648
WIRE 160 728 -160 728
FLAG -128 -728 0
FLAG 464 472 0
FLAG -1008 408 0
FLAG 32 -728 vIN
FLAG -1008 -648 vOUT1
FLAG 0 680 0
FLAG -720 -488 0
FLAG -432 -184 0
FLAG -496 552 0
FLAG -416 312 0
FLAG -896 -168 0
FLAG 368 -520 0
FLAG 496 552 0
FLAG 736 -504 0
FLAG 912 -168 0
FLAG 1024 408 0
FLAG 432 -184 0
FLAG 1024 -648 vOUT2
FLAG -272 552 Vc1
FLAG 272 552 Vc2
FLAG -304 -360 Gate1
FLAG 304 -360 Gate2
FLAG -320 136 PWMTG1
FLAG 320 136 PWMTG2
FLAG -288 232 INTVcc
FLAG -304 -120 FB1
FLAG 304 -120 FB2
FLAG -384 728 0
FLAG 512 312 0
FLAG 272 232 INTVcc
SYMBOL voltage 0 -728 R90
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 448 456 R90
SYMATTR InstName R2
SYMATTR Value 51.1k
SYMBOL pmos -960 216 R180
SYMATTR InstName M3
SYMATTR Value Si7113DN
SYMBOL LED -1024 280 R0
SYMATTR Value2 n=10
SYMATTR InstName D_LED1
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos -384 -440 M0
SYMATTR Value IPD079N06L3
SYMATTR InstName M1
SYMBOL schottky -544 -664 R90
SYMATTR InstName D1
SYMATTR Value PDS5100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind -240 -632 M270
SYMATTR InstName L1
SYMATTR Value 15
SYMATTR SpiceLine Rser=3m
SYMBOL cap -736 -584 R0
SYMATTR Value 10
SYMATTR InstName C3
SYMATTR SpiceLine Rser=3m
SYMBOL res -448 -312 R0
SYMATTR InstName Rsen1
SYMATTR Value 12.5m
SYMBOL res -288 536 R90
SYMATTR InstName R1
SYMATTR Value 39k
SYMBOL cap -416 536 R90
SYMATTR InstName C2
SYMATTR Value 0.47n
SYMBOL res -1024 -88 R0
SYMATTR InstName Rispsen1
SYMATTR Value 500m
SYMBOL cap -320 296 R90
SYMATTR InstName C1
SYMATTR Value 2.2
SYMBOL res -912 -504 R0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL res -912 -312 R0
SYMATTR InstName R6
SYMATTR Value 36.1k
SYMBOL res 144 -648 R0
SYMATTR InstName R7
SYMATTR Value 499k
SYMBOL res 336 -536 R90
SYMATTR InstName R8
SYMATTR Value 147k
SYMBOL ind 256 -632 R270
SYMATTR InstName L2
SYMATTR Value 15
SYMATTR SpiceLine Rser=3m
SYMBOL schottky 560 -664 M90
SYMATTR InstName D2
SYMATTR Value PDS5100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 400 536 R90
SYMATTR InstName R9
SYMATTR Value 39k
SYMBOL cap 480 536 R90
SYMATTR InstName C4
SYMATTR Value 0.47n
SYMBOL cap 720 -600 R0
SYMATTR Value 10
SYMATTR InstName C5
SYMATTR SpiceLine Rser=3m
SYMBOL res 896 -504 R0
SYMATTR InstName R10
SYMATTR Value 1Meg
SYMBOL res 896 -312 R0
SYMATTR InstName R11
SYMATTR Value 18.2k
SYMBOL pmos 976 216 M180
SYMATTR InstName M4
SYMATTR Value Si7113DN
SYMBOL LED 1008 280 R0
SYMATTR Value2 n=8
SYMATTR InstName D_LED2
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1008 -88 R0
SYMATTR InstName Rispsen2
SYMATTR Value 500m
SYMBOL nmos 384 -440 R0
SYMATTR Value IPD079N06L3
SYMATTR InstName M2
SYMBOL res 416 -312 R0
SYMATTR InstName Rsen2
SYMATTR Value 12.5m
SYMBOL voltage -224 728 R90
SYMATTR InstName V2
SYMATTR Value 1.2
SYMBOL voltage 368 312 M90
SYMATTR InstName V3
SYMATTR Value PULSE(0 2 2m 5m 5m 0 1)
SYMBOL LT8355-1 0 40 R0
SYMATTR InstName U1