* SPICE netlist
V1 IN 0 48
R4 N012 0 28.7K
R3 N011 0 287k
C5 N001 N002 100n
L1 N002 OUT 47 Rser=10m
C6 OUT 0 4.7 m=2
R7 OUT N006 50m
M1 N009 N008 N006 N006 IRF7343P
R5 OUT N004 1Meg
R6 N004 0 24.9k
C1 N003 0 0.1
C3 N010 0 3.3n
C4 N013 N014 100p
R1 N003 N005 10k
R2 N005 0 191k
C7 N009 0 100n
C2 N007 0 1
XU1 N007 N001 N002 OUT N004 OUT N006 N008 NC_01 0 N013 N011 N012 N010 0 NC_02 N005 N003 N003 IN IN LT8376 ;pnba INTVcc)BST)SW)Vout)FB)ISP)ISN)PWMTG)ISMON)GND)Vc)RT)RP)SS)SYNC/SPRD)_FAULT)PWM)CTRL)Vref)EN/UVLO)Vin
R8 N014 0 56.2k
D2 N009 0 LXK2-PW14 m=7 n=12
.tran 2.4m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1072 864
WIRE -504 -432 -520 -432
WIRE -344 -432 -504 -432
WIRE -312 -432 -344 -432
WIRE 168 -432 104 -432
WIRE -520 -416 -520 -432
WIRE 168 -352 168 -368
WIRE 168 -352 104 -352
WIRE 248 -352 168 -352
WIRE 520 -352 328 -352
WIRE 536 -352 520 -352
WIRE -520 -320 -520 -336
WIRE -344 -320 -344 -432
WIRE -312 -320 -344 -320
WIRE 168 -304 104 -304
WIRE 328 -304 168 -304
WIRE 536 -304 536 -352
WIRE 536 -304 328 -304
WIRE -424 -256 -520 -256
WIRE -344 -256 -424 -256
WIRE -312 -256 -344 -256
WIRE 328 -256 328 -304
WIRE -520 -224 -520 -256
WIRE -424 -224 -424 -256
WIRE 168 -208 168 -224
WIRE 168 -208 104 -208
WIRE 168 -192 168 -208
WIRE -344 -144 -344 -256
WIRE -312 -144 -344 -144
WIRE -520 -128 -520 -160
WIRE 168 -112 104 -112
WIRE 328 -112 328 -192
WIRE 328 -112 168 -112
WIRE -424 -96 -424 -144
WIRE -312 -96 -424 -96
WIRE 328 -96 328 -112
WIRE -424 -80 -424 -96
WIRE 504 -64 440 -64
WIRE 440 -32 440 -64
WIRE 440 -32 104 -32
WIRE 536 -32 536 -304
WIRE 536 -32 504 -64
WIRE -424 16 -424 0
WIRE 440 48 104 48
WIRE -312 64 -424 64
WIRE 440 80 440 48
WIRE 504 80 536 48
WIRE 504 80 440 80
WIRE -424 96 -424 64
WIRE 536 96 536 48
WIRE -312 112 -328 112
WIRE 488 112 104 112
WIRE -424 192 -424 160
WIRE 536 224 536 192
WIRE 536 224 440 224
WIRE -264 256 -264 240
WIRE -168 256 -168 240
WIRE -40 256 -40 240
WIRE 56 256 56 240
WIRE 536 256 536 224
WIRE 440 272 440 224
WIRE 56 336 56 320
WIRE -264 352 -264 320
WIRE -168 352 -168 336
WIRE -40 352 -40 336
WIRE 440 368 440 336
WIRE 536 368 536 320
WIRE 56 432 56 416
FLAG -520 -320 0
FLAG -40 352 0
FLAG -168 352 0
FLAG 536 368 0
FLAG -504 -432 IN
FLAG 520 -352 OUT
FLAG -520 -128 0
FLAG -264 352 0
FLAG 56 432 0
FLAG -424 16 0
FLAG 440 368 0
FLAG -328 112 0
FLAG -424 192 0
FLAG 328 -96 0
SYMBOL voltage -520 -432 R0
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL res -56 240 R0
SYMATTR InstName R4
SYMATTR Value 28.7K
SYMBOL res -184 240 R0
SYMATTR InstName R3
SYMATTR Value 287k
SYMBOL cap 152 -432 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL ind 232 -336 R270
SYMATTR InstName L1
SYMATTR Value 47
SYMATTR SpiceLine Rser=10m
SYMBOL cap 312 -256 R0
SYMATTR Value2 m=2
SYMATTR InstName C6
SYMATTR Value 4.7
SYMBOL res 520 -48 R0
SYMATTR InstName R7
SYMATTR Value 50m
SYMBOL pmos 488 192 M180
SYMATTR InstName M1
SYMATTR Value IRF7343P
SYMBOL res 152 -320 R0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL res 152 -208 R0
SYMATTR InstName R6
SYMATTR Value 24.9k
SYMBOL cap -536 -224 R0
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL cap -280 256 R0
SYMATTR InstName C3
SYMATTR Value 3.3n
SYMBOL cap 40 256 R0
SYMATTR Value 100p
SYMATTR InstName C4
SYMBOL res -440 -240 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -440 -96 R0
SYMATTR InstName R2
SYMATTR Value 191k
SYMBOL cap 424 272 R0
SYMATTR InstName C7
SYMATTR Value 100n
SYMBOL cap -440 96 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL LT8376 -104 -112 R0
SYMATTR InstName U1
SYMBOL res 40 320 R0
SYMATTR InstName R8
SYMATTR Value 56.2k
SYMBOL LED 520 256 R0
SYMATTR Value2 m=7 n=12
SYMATTR Value LXK2-PW14
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode