* SPICE netlist
XU1 IN N008 N001 N005 N001 N001 N015 N011 N010 0 NC_01 0 N024 N025 VEE N016 N023 N029 N028 N027 0 N007 N019 N026 N018 VEE N017 MP_02 N004 N006 N003 N009 MP_03 N002 MP_04 IN LT3744 ;pnba EN/UVLO)CTRL1)Vref)CTRL2)CTRL3)CTRLT)PWM1)PWM2)PWM3)SYNC)_Fault)SGND)Rt)SS)LED_ISN)LED_ISP)FB)Vc3)Vc2)Vc1)ISN)ISP)PWM_OUT3)VFNEG)PWM_OUT2)VEE)PWM_OUT1))TG)SW)Boost)BG))INTVcc))Vin
V1 IN 0 10
C1 N001 0 1
C2 N002 VEE 4.7
V2 N010 0 PULSE(0 2 35u 10n 10n 30u 1m)
R1 N001 N005 1Meg
R2 N005 N008 500K
R3 N008 0 500K
V3 N011 0 PULSE(0 2 15u 10n 10n 70u 1m)
V4 N015 0 PULSE(0 2 0 10n 10n .1m 1m)
R4 N024 VEE 82.5K
C3 N025 VEE 10n
D1 VEE 0 1N5817
C6 N029 VEE 4.7n Rser=51K
D2 N002 N003 CMDSH2-3
M1 IN N004 N006 N006 Si4408DY
M2 N006 N009 VEE VEE Si4408DY
L1 N006 N007 .47
R5 N007 0 1m
C7 0 VEE 10 Rser=5m
D3 0 N016 PT-121-B
R6 N016 VEE 3m
R7 0 N023 51K
R8 N023 VEE 10K
M3 N020 N017 VEE VEE Si4408DY
M4 N020 N017 N012 N012 Si4408DY
C8 0 N012 330 Rser=20m
M5 N021 N018 VEE VEE Si4408DY
M6 N021 N018 N013 N013 Si4408DY
C9 0 N013 330 Rser=20m
M7 N022 N019 VEE VEE Si4408DY
M8 N022 N019 N014 N014 Si4408DY
C10 0 N014 330 Rser=20m
D4 N026 N012 MBR0520L
D5 N026 N013 MBR0520L
D6 N026 N014 MBR0520L
D7 N026 VEE MBR0520L
C11 N003 N006 .1
C4 N028 VEE 4.7n Rser=51K
C5 N027 VEE 4.7n Rser=51K
.tran 10m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2512 1440
WIRE -456 -720 -872 -720
WIRE -360 -720 -456 -720
WIRE 8 -720 -360 -720
WIRE -872 -688 -872 -720
WIRE -728 -688 -776 -688
WIRE -552 -688 -728 -688
WIRE -152 -688 -264 -688
WIRE 72 -688 -152 -688
WIRE -776 -672 -776 -688
WIRE -552 -672 -552 -688
WIRE -456 -672 -456 -720
WIRE -360 -672 -360 -720
WIRE -264 -672 -264 -688
WIRE -152 -672 -152 -688
WIRE 72 -672 72 -688
WIRE -728 -608 -728 -688
WIRE -632 -608 -728 -608
WIRE -152 -608 -184 -608
WIRE -872 -592 -872 -608
WIRE -776 -592 -776 -608
WIRE -152 -592 -152 -608
WIRE 8 -592 8 -720
WIRE 72 -592 72 -608
WIRE 280 -592 72 -592
WIRE -728 -512 -728 -608
WIRE -632 -512 -728 -512
WIRE -40 -512 -184 -512
WIRE -728 -416 -728 -432
WIRE -632 -416 -728 -416
WIRE -152 -416 -152 -528
WIRE -152 -416 -184 -416
WIRE 8 -416 8 -496
WIRE 8 -416 -152 -416
WIRE 40 -416 8 -416
WIRE 152 -416 120 -416
WIRE 168 -416 152 -416
WIRE 264 -416 248 -416
WIRE 312 -416 264 -416
WIRE 408 -416 312 -416
WIRE 536 -416 408 -416
WIRE 632 -416 536 -416
WIRE 712 -416 632 -416
WIRE 968 -416 712 -416
WIRE 1256 -416 968 -416
WIRE 8 -400 8 -416
WIRE 312 -400 312 -416
WIRE 408 -384 408 -416
WIRE 632 -384 632 -416
WIRE 712 -368 712 -416
WIRE 968 -368 968 -416
WIRE 1256 -368 1256 -416
WIRE -728 -320 -728 -336
WIRE -632 -320 -728 -320
WIRE -40 -320 -184 -320
WIRE 8 -272 8 -304
WIRE 280 -272 280 -592
WIRE 280 -272 8 -272
WIRE 312 -272 312 -336
WIRE 312 -272 280 -272
WIRE -728 -224 -728 -240
WIRE -632 -224 -696 -224
WIRE 152 -224 152 -416
WIRE 152 -224 -184 -224
WIRE -696 -192 -696 -224
WIRE -696 -192 -1256 -192
WIRE -1256 -176 -1256 -192
WIRE -632 -128 -792 -128
WIRE 264 -128 264 -416
WIRE 264 -128 -184 -128
WIRE 712 -96 712 -304
WIRE 712 -96 616 -96
WIRE 968 -96 968 -304
WIRE 968 -96 872 -96
WIRE 1256 -96 1256 -304
WIRE 1256 -96 1160 -96
WIRE -1256 -80 -1256 -96
WIRE -792 -48 -792 -128
WIRE -792 -48 -1256 -48
WIRE -1256 -32 -1256 -48
WIRE -632 -32 -744 -32
WIRE 408 -32 408 -320
WIRE 408 -32 -184 -32
WIRE 712 0 712 -96
WIRE 968 0 968 -96
WIRE 1256 0 1256 -96
WIRE 664 16 648 16
WIRE 920 16 904 16
WIRE 1208 16 1192 16
WIRE 536 48 536 -416
WIRE -1256 64 -1256 48
WIRE -632 64 -648 64
WIRE 312 64 312 -272
WIRE 312 64 -184 64
WIRE 408 64 408 48
WIRE 408 64 312 64
WIRE -744 96 -744 -32
WIRE -744 96 -1256 96
WIRE -1256 112 -1256 96
WIRE 712 144 712 96
WIRE 968 144 968 96
WIRE 1256 144 1256 96
WIRE 536 160 536 128
WIRE 536 160 -184 160
WIRE 536 176 536 160
WIRE -1256 208 -1256 192
WIRE 648 224 648 16
WIRE 664 224 648 224
WIRE 904 224 904 16
WIRE 920 224 904 224
WIRE 1192 224 1192 16
WIRE 1208 224 1192 224
WIRE -632 256 -648 256
WIRE 408 256 -184 256
WIRE -744 272 -744 256
WIRE 312 272 312 64
WIRE 536 272 536 256
WIRE 536 272 312 272
WIRE 712 272 712 240
WIRE 712 272 536 272
WIRE 968 272 968 240
WIRE 968 272 712 272
WIRE 1256 272 1256 240
WIRE 1256 272 968 272
WIRE 408 288 408 256
WIRE 648 288 648 224
WIRE 648 288 408 288
WIRE -744 352 -744 336
WIRE -728 352 -744 352
WIRE -632 352 -648 352
WIRE 904 352 904 224
WIRE 904 352 -184 352
WIRE -744 448 -744 352
WIRE -728 448 -744 448
WIRE -632 448 -664 448
WIRE 1192 448 1192 224
WIRE 1192 448 -184 448
WIRE 104 480 -88 480
WIRE 616 480 616 -96
WIRE 616 480 168 480
WIRE -744 544 -744 448
WIRE -632 544 -744 544
WIRE -88 544 -88 480
WIRE -88 544 -184 544
WIRE -8 544 -88 544
WIRE 872 544 872 -96
WIRE 872 544 56 544
WIRE -88 608 -88 544
WIRE 104 608 -88 608
WIRE 1160 608 1160 -96
WIRE 1160 608 168 608
WIRE -552 624 -552 608
WIRE -408 624 -408 608
WIRE -264 624 -264 608
WIRE -88 672 -88 608
WIRE 8 672 -88 672
WIRE 312 672 312 272
WIRE 312 672 72 672
WIRE -744 720 -744 544
WIRE -648 720 -744 720
WIRE -552 720 -552 688
WIRE -552 720 -648 720
WIRE -408 720 -408 688
WIRE -408 720 -552 720
WIRE -264 720 -264 688
WIRE -264 720 -408 720
WIRE 312 720 312 672
WIRE 312 720 -264 720
FLAG -872 -592 0
FLAG -776 -592 0
FLAG -728 -224 0
FLAG -1256 -80 0
FLAG -1256 64 0
FLAG -1256 208 0
FLAG -648 64 0
FLAG -648 256 0
FLAG -744 256 0
FLAG 632 -384 0
FLAG -872 -720 IN
FLAG -648 720 VEE
SYMBOL PowerProducts\\LT3744 -408 -32 R0
SYMATTR InstName U1
SYMBOL voltage -872 -704 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap -792 -672 R0
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL cap 56 -672 R0
SYMATTR InstName C2
SYMATTR Value 4.7
SYMBOL voltage -1256 -192 R0
SYMATTR Value PULSE(0 2 35u 10n 10n 30u 1m)
SYMATTR InstName V2
SYMBOL res -744 -528 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL res -744 -432 R0
SYMATTR InstName R2
SYMATTR Value 500K
SYMBOL res -744 -336 R0
SYMATTR InstName R3
SYMATTR Value 500K
SYMBOL voltage -1256 -48 R0
SYMATTR Value PULSE(0 2 15u 10n 10n 70u 1m)
SYMATTR InstName V3
SYMBOL voltage -1256 96 R0
SYMATTR Value PULSE(0 2 0 10n 10n .1m 1m)
SYMATTR InstName V4
SYMBOL res -632 336 R90
SYMATTR InstName R4
SYMATTR Value 82.5K
SYMBOL cap -664 432 R90
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL schottky -728 336 R180
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -280 624 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=51K
SYMATTR InstName C6
SYMBOL schottky -168 -672 R0
SYMATTR InstName D2
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos -40 -592 R0
SYMATTR InstName M1
SYMATTR Value Si4408DY
SYMBOL nmos -40 -400 R0
SYMATTR InstName M2
SYMATTR Value Si4408DY
SYMBOL ind 24 -400 R270
SYMATTR InstName L1
SYMATTR Value .47
SYMBOL res 152 -400 R270
SYMATTR InstName R5
SYMATTR Value 1m
SYMBOL cap 296 -400 R0
SYMATTR InstName C7
SYMATTR Value 10
SYMATTR SpiceLine Rser=5m
SYMBOL LED 392 -384 R0
SYMATTR InstName D3
SYMATTR Value PT-121-B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 392 -48 R0
SYMATTR InstName R6
SYMATTR Value 3m
SYMBOL res 520 32 R0
SYMATTR InstName R7
SYMATTR Value 51K
SYMBOL res 520 160 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL nmos 664 144 R0
SYMATTR Value Si4408DY
SYMATTR InstName M3
SYMBOL nmos 664 96 M180
SYMATTR InstName M4
SYMATTR Value Si4408DY
SYMBOL cap 696 -368 R0
SYMATTR InstName C8
SYMATTR Value 330
SYMATTR SpiceLine Rser=20m
SYMBOL nmos 920 144 R0
SYMATTR Value Si4408DY
SYMATTR InstName M5
SYMBOL nmos 920 96 M180
SYMATTR Value Si4408DY
SYMATTR InstName M6
SYMBOL cap 952 -368 R0
SYMATTR InstName C9
SYMATTR Value 330
SYMATTR SpiceLine Rser=20m
SYMBOL nmos 1208 144 R0
SYMATTR Value Si4408DY
SYMATTR InstName M7
SYMBOL nmos 1208 96 M180
SYMATTR Value Si4408DY
SYMATTR InstName M8
SYMBOL cap 1240 -368 R0
SYMATTR InstName C10
SYMATTR Value 330
SYMATTR SpiceLine Rser=20m
SYMBOL schottky 104 496 R270
SYMATTR InstName D4
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -8 560 R270
SYMATTR InstName D5
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 104 624 R270
SYMATTR InstName D6
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 8 688 R270
SYMATTR InstName D7
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -168 -592 R0
SYMATTR InstName C11
SYMATTR Value .1
SYMBOL cap -424 624 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=51K
SYMATTR InstName C4
SYMBOL cap -568 624 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=51K
SYMATTR InstName C5