* Z:\home\khalils\Downloads\files\data\raw_asc\LT1248.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\LT1248.asy)
L1 N001 N002 750
R11 N010 0 4K
Rload OUT 0 2K
V2 N001 N003 180
MQ1 N002 N017 0 0 SPA11N60C3
XU1 0 N006 N013 N010 N004 N005 N011 N014 N008 N009 N012 N015 N018 N016 N007 N017 LT1248 ;pnba GND)PKlim)CAout)Isense)Mout)Iac)VAout)OVP)Ref)Enable)Vsense)Rset)SS)Cset)Vcc)GTDR
R9 N015 0 15K
R7 N014 N012 20K
R8 N004 N003 4K
R6 OUT N014 1Meg
R4 0 N003 .2
R12 N006 N003 1.6K
C1 OUT 0 18
C7 N018 0 .02 Rser=5K
C2 N011 N012 .047 Rser=330K Cpar=.0047
C5 N005 0 4700p
R10 N008 N006 10K
R3 N001 N005 1Meg
C9 N006 0 1000p
V1 N007 0 17
D1 N002 OUT UPSC600
C8 N016 0 1000p
C4 N010 N013 100p Rser=10K Cpar=10p
R5 N014 0 20K
.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 30m startup
.lib LT1248.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 3512 1172
WIRE 1152 192 496 192
WIRE 1392 192 1152 192
WIRE 1584 192 1472 192
WIRE 1616 192 1584 192
WIRE 1712 192 1680 192
WIRE 1776 192 1712 192
WIRE 1872 192 1776 192
WIRE 496 208 496 192
WIRE 1776 208 1776 192
WIRE 1872 208 1872 192
WIRE 1152 224 1152 192
WIRE 496 304 496 288
WIRE 688 304 496 304
WIRE 784 304 688 304
WIRE 960 304 864 304
WIRE 1776 304 1776 272
WIRE 1872 304 1872 288
WIRE 496 320 496 304
WIRE 688 320 688 304
WIRE 1152 320 1152 304
WIRE 1264 320 1152 320
WIRE 1360 320 1328 320
WIRE 960 336 960 304
WIRE 1152 336 1152 320
WIRE 496 416 496 400
WIRE 688 416 688 400
WIRE 864 416 688 416
WIRE 1360 416 1248 416
WIRE 1456 416 1440 416
WIRE 608 496 560 496
WIRE 688 496 688 416
WIRE 688 496 672 496
WIRE 720 496 688 496
WIRE 864 496 800 496
WIRE 1280 496 1248 496
WIRE 1712 544 1712 192
WIRE 480 576 464 576
WIRE 592 576 560 576
WIRE 864 576 592 576
WIRE 1312 576 1248 576
WIRE 1424 576 1376 576
WIRE 592 656 592 640
WIRE 864 656 592 656
WIRE 1424 656 1424 576
WIRE 1424 656 1248 656
WIRE 1440 656 1424 656
WIRE 1536 656 1520 656
WIRE 1712 656 1712 624
WIRE 1712 656 1536 656
WIRE 1712 672 1712 656
WIRE 768 736 752 736
WIRE 864 736 848 736
WIRE 1536 736 1536 656
WIRE 1536 736 1248 736
WIRE 1584 736 1584 192
WIRE 1712 768 1712 752
WIRE 768 816 752 816
WIRE 864 816 832 816
WIRE 1536 816 1248 816
WIRE 1584 848 1584 832
WIRE 960 912 960 896
WIRE 1152 928 1152 896
WIRE 960 992 960 976
SYMBOL res 1536 640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 20K
SYMBOL res 816 512 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 10K
SYMBOL res 1136 208 R0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL cap 1760 208 R0
SYMATTR InstName C1
SYMATTR Value 18
SYMBOL VOLTAGE 1344 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V1
SYMATTR Value 17
SYMBOL cap 1264 336 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 4700p
SYMBOL res 576 560 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 4K
SYMBOL cap 1312 592 R270
WINDOW 0 61 31 VTop 2
WINDOW 3 33 32 VTop 2
WINDOW 39 -1 32 VBottom 2
WINDOW 40 -24 30 VBottom 2
SYMATTR InstName C2
SYMATTR Value .047
SYMATTR SpiceLine Rser=330K
SYMATTR SpiceLine2 Cpar=.0047
SYMBOL res 880 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 4K
SYMBOL voltage 496 192 R0
WINDOW 0 24 29 Left 2
WINDOW 3 24 89 Left 2
SYMATTR InstName V2
SYMATTR Value 180
SYMBOL res 1856 192 R0
SYMATTR InstName Rload
SYMATTR Value 2K
SYMBOL NMOS 1536 736 R0
WINDOW 0 56 20 Left 2
WINDOW 3 56 64 Left 2
SYMATTR InstName Q1
SYMATTR Value SPA11N60C3
SYMBOL cap 832 800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL ind2 1376 208 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 750
SYMBOL res 672 416 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R12
SYMATTR Value 1.6K
SYMBOL POWERPRODUCTS\\LT1248 1056 656 R0
SYMATTR InstName U1
SYMBOL res 1696 656 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 864 720 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 15K
SYMBOL cap 672 480 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 1000p
SYMBOL res 480 416 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value .2
SYMBOL cap 944 912 R0
WINDOW 3 37 33 Left 2
WINDOW 39 27 60 Left 2
SYMATTR Value .02
SYMATTR SpiceLine Rser=5K
SYMATTR InstName C7
SYMBOL res 1696 528 R0
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL diode 1616 208 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value UPSC600
SYMBOL cap 576 576 R0
WINDOW 0 35 15 Left 2
WINDOW 3 39 37 Left 2
WINDOW 39 26 60 Left 2
SYMATTR InstName C4
SYMATTR Value 100p
SYMATTR SpiceLine Rser=10K Cpar=10p
FLAG 1152 928 0
FLAG 1584 848 0
FLAG 1456 416 0
FLAG 1360 320 0
FLAG 1776 304 0
FLAG 496 416 0
FLAG 1872 304 0
FLAG 1872 192 OUT
FLAG 1712 768 0
FLAG 960 992 0
FLAG 752 816 0
FLAG 752 736 0
FLAG 464 576 0
FLAG 560 496 0
TEXT 1344 888 Left 2 !.tran 30m startup