* SPICE netlist
C1 N023 0 100n
C2 P001 0 15n
V1 IN 0 18
R1 N001 N002 10m
C3 N001 N004 0.1
MQ1 IN N010 N001 N001 BSC059N04LS
MQ2 N001 N006 0 0 BSC059N04LS
L1 N002 N003 47 Ipk=11 Rser=0.0106 Rpar=5160 Cpar=4.9p
R2 OUT N016 330m
MQ3 OUT N013 N003 N003 BSO180N10NS3
MQ4 N003 N009 0 0 BSO180N10NS3
C4 N005 N003 0.1
R3 N022 0 422K
R4 OUT N015 1Meg
C5 INTVCC 0 4.7
C6 N018 0 .47
R5 N015 0 11.3K
R6 N014 0 90.9K
R7 IN N014 499K
C7 OUT 0 10 x2
M1 N020 N019 N016 N016 Si7113DN
R8 N017 INTVCC 100K
R9 N021 P001 1.5K
C8 IN 0 10
R10 N006 N007 3.3
R11 N010 N011 3.3
R13 N008 N009 3.3
R14 N012 N013 3.3
D1 INTVCC N004 BAT46WJ
D2 INTVCC N005 BAT46WJ
XU1 N007 N004 N001 N011 N001 N002 IN INTVCC N014 0 INTVCC N018 N018 OUT N016 MP_01 N017 N023 N015 N021 N022 0 N019 OUT N012 N003 N005 N008 0 LT8393 ;pnba BG1)BST1)SW1)TG1)LSP)LSN)Vin)INTVcc)EN/UVLO)Rp)PWM)Vref)CTRL)ISP)ISN))_Fault)SS)FB)Vc)RT)Sync/SPRD)PWMTG)Vout)TG2)SW2)BST2)BG2)GND
DLED1 N020 0 LXK2-PW14 N=10 M=2
.tran 6m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1904 1280
WIRE -216 -640 -568 -640
WIRE -88 -640 -216 -640
WIRE -72 -640 -88 -640
WIRE 40 -640 8 -640
WIRE 56 -640 40 -640
WIRE 168 -640 136 -640
WIRE 552 -640 168 -640
WIRE -472 -592 -600 -592
WIRE -376 -592 -408 -592
WIRE 360 -592 328 -592
WIRE 584 -592 424 -592
WIRE -216 -560 -216 -640
WIRE -88 -560 -88 -640
WIRE 40 -560 40 -640
WIRE 168 -560 168 -640
WIRE -840 -496 -952 -496
WIRE -760 -496 -840 -496
WIRE -712 -496 -760 -496
WIRE -568 -496 -568 -640
WIRE -568 -496 -616 -496
WIRE -472 -496 -568 -496
WIRE -376 -496 -376 -592
WIRE -376 -496 -408 -496
WIRE -328 -496 -376 -496
WIRE 328 -496 328 -592
WIRE 328 -496 280 -496
WIRE 360 -496 328 -496
WIRE 552 -496 552 -640
WIRE 552 -496 424 -496
WIRE 728 -496 552 -496
WIRE 872 -496 824 -496
WIRE 952 -496 872 -496
WIRE -952 -480 -952 -496
WIRE -840 -480 -840 -496
WIRE -568 -480 -568 -496
WIRE 552 -480 552 -496
WIRE 872 -480 872 -496
WIRE -472 -400 -520 -400
WIRE -328 -400 -392 -400
WIRE 360 -400 280 -400
WIRE 504 -400 440 -400
WIRE 872 -400 872 -416
WIRE -952 -384 -952 -400
WIRE -840 -384 -840 -416
WIRE -568 -368 -568 -384
WIRE 552 -368 552 -384
WIRE -632 -320 -632 -448
WIRE -472 -320 -632 -320
WIRE -328 -320 -392 -320
WIRE 360 -320 280 -320
WIRE 744 -320 744 -448
WIRE 744 -320 440 -320
WIRE -760 -240 -760 -496
WIRE -328 -240 -760 -240
WIRE 792 -240 280 -240
WIRE 952 -240 952 -496
WIRE 952 -240 792 -240
WIRE 792 -224 792 -240
WIRE -760 -144 -760 -160
WIRE -328 -144 -760 -144
WIRE 344 -144 280 -144
WIRE 792 -144 744 -144
WIRE -760 -128 -760 -144
WIRE -616 -48 -632 -48
WIRE -536 -48 -552 -48
WIRE -440 -48 -536 -48
WIRE -328 -48 -440 -48
WIRE 312 -48 280 -48
WIRE 792 -48 792 -64
WIRE -760 -32 -760 -48
WIRE 344 -16 344 -144
WIRE 952 -16 952 -240
WIRE 952 -16 344 -16
WIRE 952 0 952 -16
WIRE -536 48 -536 -48
WIRE -472 48 -536 48
WIRE -328 48 -392 48
WIRE 744 48 744 -144
WIRE 744 48 280 48
WIRE 312 96 312 -48
WIRE 952 96 952 80
WIRE 952 96 312 96
WIRE 952 128 952 96
WIRE -472 144 -488 144
WIRE -376 144 -408 144
WIRE -328 144 -376 144
WIRE 296 144 280 144
WIRE 904 144 744 144
WIRE -376 240 -376 144
WIRE -328 240 -376 240
WIRE 296 240 280 240
WIRE 952 240 952 224
WIRE 744 336 744 144
WIRE 744 336 280 336
WIRE 952 336 952 304
WIRE -536 416 -536 48
WIRE -328 416 -536 416
WIRE 296 416 280 416
WIRE -24 496 -24 480
WIRE 168 496 168 480
WIRE -216 528 -216 480
WIRE 168 592 168 576
WIRE -216 624 -216 592
FLAG 296 416 0
FLAG -216 624 0
FLAG 168 592 0
FLAG -24 640 0
FLAG -952 -384 0
FLAG -760 -32 0
FLAG 952 336 0
FLAG 872 -400 0
FLAG -952 -496 IN
FLAG -568 -368 0
FLAG 552 -368 0
FLAG -632 -48 0
FLAG -488 144 0
FLAG 792 -48 0
FLAG 296 144 0
FLAG 296 240 0
FLAG 952 -240 OUT
FLAG -840 -384 0
FLAG -440 -48 INTVCC
FLAG -600 -592 INTVCC
FLAG 584 -592 INTVCC
SYMBOL cap -232 528 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap -40 576 R0
SYMATTR Value 15n
SYMATTR InstName C2
SYMBOL voltage -952 -496 R0
SYMATTR InstName V1
SYMATTR Value 18
SYMBOL res -88 -624 R270
SYMATTR InstName R1
SYMATTR Value 10m
SYMBOL cap -472 -480 R270
SYMATTR InstName C3
SYMATTR Value 0.1
SYMBOL nmos -712 -448 R270
SYMATTR InstName Q1
SYMATTR Value BSC059N04LS
SYMBOL nmos -520 -480 M0
SYMATTR InstName Q2
SYMATTR Value BSC059N04LS
SYMBOL ind 40 -624 R270
SYMATTR InstName L1
SYMATTR Value 47
SYMATTR SpiceLine Ipk=11 Rser=0.0106 Rpar=5160 Cpar=4.9p
SYMBOL res 936 -16 R0
SYMATTR InstName R2
SYMATTR Value 330m
SYMBOL nmos 824 -448 M270
SYMATTR InstName Q3
SYMATTR Value BSO180N10NS3
SYMBOL nmos 504 -480 R0
SYMATTR InstName Q4
SYMATTR Value BSO180N10NS3
SYMBOL cap 360 -512 M90
SYMATTR InstName C4
SYMATTR Value 0.1
SYMBOL res 152 480 R0
SYMATTR InstName R3
SYMATTR Value 422K
SYMBOL res 776 -240 R0
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL cap -552 -64 R90
SYMATTR InstName C5
SYMATTR Value 4.7
SYMBOL cap -408 128 R90
SYMATTR InstName C6
SYMATTR Value .47
SYMBOL res 776 -160 R0
SYMATTR InstName R5
SYMATTR Value 11.3K
SYMBOL res -776 -144 R0
SYMATTR InstName R6
SYMATTR Value 90.9K
SYMBOL res -776 -256 R0
SYMATTR InstName R7
SYMATTR Value 499K
SYMBOL cap 856 -480 R0
SYMATTR Value2 x2
SYMATTR Value 10
SYMATTR InstName C7
SYMBOL pmos 904 224 M180
SYMATTR InstName M1
SYMATTR Value Si7113DN
SYMBOL res -376 32 R90
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL res -40 480 R0
SYMATTR InstName R9
SYMATTR Value 1.5K
SYMBOL cap -856 -480 R0
SYMATTR Value 10
SYMATTR InstName C8
SYMBOL res -488 -384 R270
SYMATTR InstName R10
SYMATTR Value 3.3
SYMBOL res -488 -304 R270
SYMATTR InstName R11
SYMATTR Value 3.3
SYMBOL res 344 -384 R270
SYMATTR InstName R13
SYMATTR Value 3.3
SYMBOL res 344 -304 R270
SYMATTR InstName R14
SYMATTR Value 3.3
SYMBOL schottky -472 -608 M90
SYMATTR InstName D1
SYMATTR Value BAT46WJ
SYMBOL schottky 424 -608 R90
SYMATTR InstName D2
SYMATTR Value BAT46WJ
SYMBOL LT8393 -24 -32 R0
SYMATTR InstName U1
SYMBOL LED 936 240 R0
SYMATTR Value2 N=10 M=2
SYMATTR Value LXK2-PW14
SYMATTR InstName LED1
SYMATTR Description Diode
SYMATTR Type diode