* Z:\home\khalils\Downloads\files\data\raw_asc\LT1103.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\LT1103.asy)
K1 L1 L2 L3 1
C3 N012 0 .047
C2 N011 0 .1
D4 N007 N005 1N4148
R2 N012 N011 330
R6 N004 N006 100
MQ1 N002 N010 N007 N007 Si4410DY
R3 N009 0 5.36K
R1 N010 N013 10
R7 IN N005 220K
L1 IN N002 1.6m Rpar=1000K
Rload OUT 0 1
D3 N006 N005 BAV21
D2 N001 OUT 1N5818
L3 0 N001 4 Rpar=10K
C7 N005 0 39
R5 N004 N003 499
C5 N013 0 1
C1 N014 0 390p
L2 0 N004 55 Rpar=100K
R4 N008 N009 16.2K
C4 N003 0 1000p
V1 IN 0 175.5
XU1 N007 N009 N012 0 N014 N005 N013 LT1103 ;pnba SW)FB)Vc)GND)OSC)Vin)15V
C6 OUT 0 3600
D1 N003 N008 BAV21
.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 1200m startup
.model BAV21 D(Is=1e-14 Cjo=10p)
.lib LT1103.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1800 1520
WIRE 688 672 368 672
WIRE 1088 672 688 672
WIRE 1216 672 1136 672
WIRE 1328 672 1280 672
WIRE 1456 672 1328 672
WIRE 368 688 368 672
WIRE 1088 688 1088 672
WIRE 1136 688 1136 672
WIRE 1328 688 1328 672
WIRE 1456 688 1456 672
WIRE 688 704 688 672
WIRE 368 784 368 768
WIRE 1088 784 1088 768
WIRE 1088 784 992 784
WIRE 1328 784 1328 752
WIRE 1456 784 1456 768
WIRE 1136 800 1136 768
WIRE 416 816 336 816
WIRE 480 816 416 816
WIRE 928 816 560 816
WIRE 1088 816 928 816
WIRE 416 832 416 816
WIRE 1088 848 1088 816
WIRE 688 880 688 784
WIRE 688 880 576 880
WIRE 704 880 688 880
WIRE 816 880 768 880
WIRE 928 880 928 816
WIRE 928 880 896 880
WIRE 336 896 336 816
WIRE 576 896 576 880
WIRE 416 912 416 896
WIRE 688 960 688 880
WIRE 736 960 688 960
WIRE 864 960 800 960
WIRE 1088 960 1088 928
WIRE 336 976 336 960
WIRE 576 992 576 960
WIRE 688 1024 688 960
WIRE 336 1088 336 1056
WIRE 544 1088 336 1088
WIRE 864 1088 864 960
WIRE 864 1088 832 1088
WIRE 880 1088 864 1088
WIRE 992 1088 992 784
WIRE 992 1088 976 1088
WIRE 336 1104 336 1088
WIRE 896 1152 896 1136
WIRE 336 1200 336 1184
WIRE 368 1248 336 1248
WIRE 480 1248 448 1248
WIRE 544 1248 480 1248
WIRE 896 1248 896 1232
WIRE 896 1248 832 1248
WIRE 336 1264 336 1248
WIRE 480 1264 480 1248
WIRE 896 1264 896 1248
WIRE 624 1328 624 1312
WIRE 752 1328 752 1312
WIRE 336 1344 336 1328
WIRE 480 1344 480 1328
WIRE 896 1344 896 1328
WIRE 624 1408 624 1392
LINE Normal 1112 928 1112 688 2
SYMBOL cap 320 1264 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL polcap 1312 688 R0
SYMATTR InstName C6
SYMATTR Value 3600
SYMBOL cap 608 1328 R0
SYMATTR InstName C1
SYMATTR Value 390p
SYMBOL POWERPRODUCTS\\LT1103 688 1168 R0
WINDOW 0 -68 -168 Left 2
WINDOW 3 2 57 Center 2
SYMATTR InstName U1
SYMBOL cap 400 832 R0
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL diode 768 864 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value BAV21
SYMBOL res 576 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 499
SYMBOL res 320 1088 R0
SYMATTR InstName R3
SYMATTR Value 5.36K
SYMBOL res 464 1232 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL ind2 1072 672 R0
WINDOW 0 1 34 Right 2
WINDOW 3 0 73 Right 2
SYMATTR InstName L1
SYMATTR Value 1.6m
SYMATTR SpiceLine Rpar=1000K
SYMBOL ind2 1072 944 M180
WINDOW 0 -5 80 Right 2
WINDOW 3 -2 32 Right 2
SYMATTR InstName L2
SYMATTR Value 55
SYMATTR SpiceLine Rpar=100K
SYMBOL res 320 960 R0
SYMATTR InstName R4
SYMATTR Value 16.2K
SYMBOL RES 880 1136 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 672 688 R0
SYMATTR InstName R7
SYMATTR Value 220K
SYMBOL diode 320 896 R0
SYMATTR InstName D1
SYMATTR Value BAV21
SYMBOL VOLTAGE 368 672 R0
SYMATTR InstName V1
SYMATTR Value 175.5
SYMBOL res 1440 672 R0
SYMATTR InstName Rload
SYMATTR Value 1
SYMBOL NMOS 976 1136 M270
WINDOW 0 72 54 VLeft 2
WINDOW 3 -9 60 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL res 912 864 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL ind2 1152 784 R180
WINDOW 0 -1 80 Right 2
WINDOW 3 -2 38 Right 2
SYMATTR InstName L3
SYMATTR Value 4
SYMATTR SpiceLine Rpar=10K
SYMBOL diode 800 944 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL schottky 1216 688 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL polcap 560 896 R0
SYMATTR InstName C7
SYMATTR Value 39
SYMBOL cap 464 1264 R0
SYMATTR InstName C3
SYMATTR Value .047
SYMBOL polcap 880 1264 R0
SYMATTR InstName C5
SYMATTR Value 1
FLAG 752 1328 0
FLAG 624 1408 0
FLAG 336 1344 0
FLAG 480 1344 0
FLAG 336 1200 0
FLAG 416 912 0
FLAG 896 1344 0
FLAG 1088 960 0
FLAG 1136 800 0
FLAG 1328 784 0
FLAG 1456 784 0
FLAG 368 784 0
FLAG 576 992 0
FLAG 1456 672 OUT
FLAG 368 672 IN
TEXT 1024 1216 Left 2 !.tran 1200m startup\n.model BAV21 D(Is=1e-14 Cjo=10p)
TEXT 1120 664 Bottom 2 !K1 L1 L2 L3 1