* Z:\home\khalils\Downloads\files\data\raw_asc\LT1241.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\LT1241.asy)
Rload +20V 0 50
L4 N002 +20V 1
C4 N006 0 .0022
C6 N005 0 22
XU1 N014 N010 N016 N018 0 N011 N005 N015 LT1241 ;pnba COMP)FB)Isense)Rt/Ct)GND)Output)Vcc)Vref
C5 N007 0 100p
C3 N014 N013 .01
C8 N002 0 3.3 Rser=.1
D3 N001 N002 MBRS340
C9 +20V 0 3.3 Rser=.1
R3 N015 N018 13K
R8 N009 N005 39
L2 N008 0 18.8 Rser=.1
R9 IN N016 1.32Meg
D5 N004 N003 MURS320
C1 N018 0 500p
L1 N001 0 16 Rser=.05 Rpar=2K
R5 N017 N016 1K
MQ1 N004 N012 N017 N017 Si7802DN
R6 N012 N011 12
R13 IN N005 400K
R12 N008 N007 510
D1 N007 N006 BAT54
D4 0 N005 BZX84C15L
R1 N017 0 .67
C7 IN N003 470p
D2 N008 N009 BAT54
R4 N010 0 20K
C2 N015 0 .1
K1 L1 L2 L3 .98
R7 N006 N010 152K
L3 N004 IN 100 Rser=.05 Rpar=5K
R2 N013 N010 200K
R10 IN N003 10K
V1 IN 0 200
R11 +20V 0 750
.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 2m
.lib LT1241.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 5945676 13421556
WIRE 2176 -80 2016 -80
WIRE 2368 -80 2176 -80
WIRE 2592 -80 2368 -80
WIRE 2704 -80 2592 -80
WIRE 2832 -80 2704 -80
WIRE 2016 -64 2016 -80
WIRE 2592 -48 2592 -80
WIRE 2704 -48 2704 -80
WIRE 2176 -16 2176 -80
WIRE 2368 -16 2368 -80
WIRE 2832 -16 2832 -80
WIRE 2896 -16 2832 -16
WIRE 3040 -16 2960 -16
WIRE 3168 -16 3104 -16
WIRE 3216 -16 3168 -16
WIRE 3344 -16 3296 -16
WIRE 3440 -16 3344 -16
WIRE 3552 -16 3440 -16
WIRE 2896 0 2896 -16
WIRE 2960 0 2960 -16
WIRE 3168 0 3168 -16
WIRE 3344 0 3344 -16
WIRE 3440 0 3440 -16
WIRE 3552 0 3552 -16
WIRE 2016 32 2016 16
WIRE 2592 48 2592 16
WIRE 2704 48 2704 32
WIRE 2704 48 2592 48
WIRE 2704 80 2704 48
WIRE 2896 96 2896 80
WIRE 2896 96 2832 96
WIRE 2960 96 2960 80
WIRE 3168 96 3168 64
WIRE 3168 96 2960 96
WIRE 3344 96 3344 64
WIRE 3344 96 3168 96
WIRE 3440 96 3440 80
WIRE 3440 96 3344 96
WIRE 3552 96 3552 80
WIRE 3552 96 3440 96
WIRE 3552 112 3552 96
WIRE 2176 144 2176 64
WIRE 2224 144 2176 144
WIRE 2320 144 2288 144
WIRE 2704 160 2704 144
WIRE 2832 160 2832 96
WIRE 2832 160 2704 160
WIRE 1776 208 1680 208
WIRE 1840 208 1776 208
WIRE 1968 208 1904 208
WIRE 2048 208 1968 208
WIRE 2640 208 2128 208
WIRE 2896 208 2640 208
WIRE 1776 224 1776 208
WIRE 1968 224 1968 208
WIRE 2896 224 2896 208
WIRE 1680 240 1680 208
WIRE 2176 272 2176 144
WIRE 2400 272 2176 272
WIRE 2464 272 2400 272
WIRE 2560 272 2544 272
WIRE 2640 272 2640 208
WIRE 2640 272 2624 272
WIRE 2400 288 2400 272
WIRE 1776 320 1776 288
WIRE 1968 320 1968 288
WIRE 2896 320 2896 304
WIRE 2176 336 2176 272
WIRE 2704 352 2704 160
WIRE 2400 384 2400 352
WIRE 1680 400 1680 320
WIRE 2016 400 1680 400
WIRE 2464 432 2336 432
WIRE 2656 432 2544 432
WIRE 1680 464 1680 400
WIRE 1776 464 1680 464
WIRE 1904 464 1856 464
WIRE 2016 464 1968 464
WIRE 1680 480 1680 464
WIRE 1872 528 1760 528
WIRE 2016 528 1872 528
WIRE 1760 544 1760 528
WIRE 1872 544 1872 528
WIRE 2368 560 2368 64
WIRE 2368 560 2336 560
WIRE 2464 560 2368 560
WIRE 2704 560 2704 448
WIRE 2704 560 2544 560
WIRE 1680 576 1680 560
WIRE 2704 576 2704 560
WIRE 2016 592 1968 592
WIRE 1872 624 1872 608
WIRE 1760 656 1760 624
WIRE 1968 656 1968 592
WIRE 1968 656 1760 656
WIRE 1760 672 1760 656
WIRE 2704 672 2704 656
WIRE 2176 704 2176 656
WIRE 1760 752 1760 736
LINE Normal 2928 304 2928 0 2
SYMBOL res 3424 -16 R0
SYMATTR InstName R11
SYMATTR Value 750
SYMBOL res 2352 -32 R0
SYMATTR InstName R9
SYMATTR Value 1.32Meg
SYMBOL cap 3152 0 R0
SYMATTR InstName C8
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=.1
SYMBOL NMOS 2656 352 R0
SYMATTR InstName Q1
SYMATTR Value Si7802DN
SYMBOL res 3536 -16 R0
SYMATTR InstName Rload
SYMATTR Value 50
SYMBOL res 2144 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 510
SYMBOL ind2 2880 96 M180
WINDOW 0 -2 87 Right 2
WINDOW 3 -3 43 Right 2
SYMATTR InstName L3
SYMATTR Value 100
SYMATTR SpiceLine Rser=.05 Rpar=5K
SYMBOL res 1872 448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 200K
SYMBOL cap 2576 -48 R0
SYMATTR InstName C7
SYMATTR Value 470p
SYMBOL res 1664 224 R0
SYMATTR InstName R7
SYMATTR Value 152K
SYMBOL res 2160 -32 R0
SYMATTR InstName R13
SYMATTR Value 400K
SYMBOL res 1664 464 R0
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL cap 1760 224 R0
SYMATTR InstName C4
SYMATTR Value .0022
SYMBOL ind2 2976 -16 M0
WINDOW 0 1 32 Right 2
WINDOW 3 -1 70 Right 2
SYMATTR InstName L1
SYMATTR Value 16
SYMATTR SpiceLine Rser=.05 Rpar=2K
SYMBOL cap 1856 544 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL res 2560 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 12
SYMBOL polcap 3328 0 R0
SYMATTR InstName C9
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=.1
SYMBOL cap 2384 288 R0
SYMATTR InstName C6
SYMATTR Value 22
SYMBOL zener 2288 160 M270
WINDOW 0 36 32 VTop 2
WINDOW 3 -4 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value BZX84C15L
SYMBOL PowerProducts\\LT1241 2176 496 R0
SYMATTR InstName U1
SYMBOL ind2 2880 208 R0
WINDOW 0 -4 44 Right 2
WINDOW 3 -6 73 Right 2
SYMATTR InstName L2
SYMATTR Value 18.8
SYMATTR Value2 Rser=.1
SYMBOL RES 2688 560 R0
SYMATTR InstName R1
SYMATTR Value .67
SYMBOL cap 1952 224 R0
SYMATTR InstName C5
SYMATTR Value 100p
SYMBOL res 1744 528 R0
SYMATTR InstName R3
SYMATTR Value 13K
SYMBOL cap 1968 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .01
SYMBOL cap 1744 672 R0
SYMATTR InstName C1
SYMATTR Value 500p
SYMBOL diode 2688 144 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value MURS320
SYMBOL VOLTAGE 2016 -80 R0
SYMATTR InstName V1
SYMATTR Value 200
SYMBOL res 2688 -64 R0
SYMATTR InstName R10
SYMATTR Value 10K
SYMBOL res 2560 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 39
SYMBOL ind 3200 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 1
SYMBOL schottky 3040 -32 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value MBRS340
SYMBOL schottky 2624 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMBOL res 2560 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL schottky 1904 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value BAT54
FLAG 2704 672 0
FLAG 1760 752 0
FLAG 1872 624 0
FLAG 1680 576 0
FLAG 2176 704 0
FLAG 1776 320 0
FLAG 1968 320 0
FLAG 2400 384 0
FLAG 2896 320 0
FLAG 2016 32 0
FLAG 2320 144 0
FLAG 3552 -16 +20V
FLAG 3552 112 0
FLAG 2016 -80 IN
TEXT 3112 264 Left 2 !.tran 2m
TEXT 2936 -24 Bottom 2 !K1 L1 L2 L3 .98