* Z:\home\khalils\Downloads\files\data\raw_asc\LT3954.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LT3954.asy)
R4 IN N003 499K
R2 N006 0 37.4K
R5 N003 0 147K
C4 N013 0 .01
R9 N007 0 165K
R6 N009 0 28.7K
L1 IN N001 22 Rser=10m Rpar=2K
R3 N002 N008 .38
C2 N002 0 4.7 x3 Rser=10m
R8 IN N007 1Meg
C5 N015 0 47n
XU1 N005 N015 NC_01 N013 N009 N003 N004 IN N001 N010 N010 N006 N008 N002 N014 N007 0 0 0 LT3954 ;pnba Vref)PWM)_Vmode)DIM/SS)Rt)EN/UVLO)INTVcc)Vin)SW)SYNC)PWMout)FB)ISN)ISP)Vc)CTRL)GND)PGND)GNDK
C1 N004 0 1
D2 N008 N011 LXK2-PW14 N=8
C3 N014 0 4700p Rser=5.1K
MQ1 N011 N010 0 0 IRF1310
R1 N002 N006 1Meg
V2 N012 0 4
D1 N001 N002 MBRS360
V1 IN 0 PWL(0 0 .2m 16)
R7 N012 N013 124K
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 25m startup
.lib LT3954.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1448 1332
WIRE -160 -112 -416 -112
WIRE -32 -112 -160 -112
WIRE 240 -112 -32 -112
WIRE 320 -112 240 -112
WIRE 544 -112 400 -112
WIRE 576 -112 544 -112
WIRE 672 -112 640 -112
WIRE 736 -112 672 -112
WIRE 864 -112 736 -112
WIRE -416 -96 -416 -112
WIRE -32 -96 -32 -112
WIRE 736 -96 736 -112
WIRE 240 -64 240 -112
WIRE 736 -16 736 -32
WIRE -416 0 -416 -16
WIRE -32 0 -32 -16
WIRE 64 0 -32 0
WIRE 432 0 416 0
WIRE 512 0 496 0
WIRE -32 16 -32 0
WIRE 672 32 672 -112
WIRE 544 64 544 -112
WIRE 544 64 416 64
WIRE -160 80 -160 -112
WIRE -32 112 -32 96
WIRE 64 128 48 128
WIRE 672 128 672 112
WIRE 672 128 416 128
WIRE 864 128 864 -112
WIRE 864 128 768 128
WIRE 672 144 672 128
WIRE 864 144 864 128
WIRE -160 192 -160 160
WIRE 64 192 -160 192
WIRE 544 192 416 192
WIRE -160 208 -160 192
WIRE 672 240 672 224
WIRE 864 240 864 224
WIRE 864 240 800 240
WIRE -32 256 -48 256
WIRE 64 256 48 256
WIRE 512 256 416 256
WIRE 864 256 864 240
WIRE 544 272 544 192
WIRE 768 272 768 128
WIRE 768 272 544 272
WIRE 512 288 512 256
WIRE 800 288 800 240
WIRE 800 288 512 288
WIRE -160 304 -160 288
WIRE 64 320 -64 320
WIRE 432 320 416 320
WIRE 864 368 864 320
WIRE -272 384 -352 384
WIRE -160 384 -192 384
WIRE 64 384 -160 384
WIRE 464 384 416 384
WIRE 544 384 528 384
WIRE -352 400 -352 384
WIRE -160 400 -160 384
WIRE -16 448 -32 448
WIRE 64 448 48 448
WIRE 448 448 416 448
WIRE 816 448 448 448
WIRE -160 480 -160 464
WIRE 864 480 864 464
WIRE -352 496 -352 480
WIRE 192 528 192 512
WIRE 288 528 288 512
WIRE -64 560 -64 320
WIRE 448 560 448 448
WIRE 448 560 -64 560
SYMBOL res -48 -112 R0
SYMATTR InstName R4
SYMATTR Value 499K
SYMBOL res 848 128 R0
SYMATTR InstName R3
SYMATTR Value .38
SYMBOL cap 48 432 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 47n
SYMBOL res 64 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 28.7K
SYMBOL LED 848 256 R0
WINDOW 3 29 67 Left 2
WINDOW 123 23 95 Left 2
SYMATTR Value LXK2-PW14
SYMATTR Value2 N=8
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 656 128 R0
SYMATTR InstName R2
SYMATTR Value 37.4K
SYMBOL res -48 0 R0
SYMATTR InstName R5
SYMATTR Value 147K
SYMBOL res 656 16 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL cap 432 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL cap 720 -96 R0
WINDOW 123 32 66 Left 2
WINDOW 3 37 37 Left 2
SYMATTR Value2 x3
SYMATTR Value 4.7
SYMATTR InstName C2
SYMATTR SpiceLine Rser=10m
SYMBOL schottky 576 -96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS360
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LT3954 240 224 R0
SYMATTR InstName U1
SYMBOL cap -176 400 R0
SYMATTR InstName C4
SYMATTR Value .01
SYMBOL ind 304 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22
SYMATTR SpiceLine Rser=10m Rpar=2K
SYMBOL res -288 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 124K
SYMBOL res -176 64 R0
WINDOW 3 23 88 Left 2
SYMATTR Value 1Meg
SYMATTR InstName R8
SYMBOL nmos 816 368 R0
SYMATTR InstName Q1
SYMATTR Value IRF1310
SYMBOL voltage -352 384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 4
SYMBOL res -176 192 R0
SYMATTR InstName R9
SYMATTR Value 165K
SYMBOL voltage -416 -112 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value PWL(0 0 .2m 16)
SYMATTR InstName V1
SYMBOL cap 464 368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 29 32 VTop 2
WINDOW 39 52 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4700p
SYMATTR SpiceLine Rser=5.1K
FLAG 512 0 0
FLAG 672 240 0
FLAG 736 -16 0
FLAG -416 0 0
FLAG -32 112 0
FLAG 544 384 0
FLAG -48 256 0
FLAG 192 528 0
FLAG -416 -112 IN
FLAG 864 480 0
FLAG -160 480 0
FLAG -32 448 0
FLAG -352 496 0
FLAG 288 528 0
FLAG -160 304 0
FLAG 432 320 0
TEXT 544 480 Left 2 !.tran 25m startup