* Z:\tmp\asc_dec_bjh7r6w2\0f72571f4229_LT3843A_dec2.asc
* Generated by LTspice 26.0.1 for Windows.
S2 Out Vcc N005 fault Ho
C8 N008 COM 1p
S3 Com Out fault N005 Lo
R5 N008 N007 75k
A6 Ref COM COM COM COM fault COM COM SCHMITT Vt=4.8 Vh=.1 trise=200n
R1 N001 N003 8e6
S1 N002 N001 N003 2v5 ref
C3 COM Ref 10p
D3 Err N009 2R
R4 N004 Vfb 165k
D4 N009 COM 1R
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1688 948
WIRE -304 64 -304 32
WIRE -304 192 -352 192
WIRE -304 224 -304 192
WIRE -304 320 -304 288
WIRE -304 512 -368 512
WIRE -304 544 -304 512
WIRE -304 640 -304 608
WIRE -256 192 -304 192
WIRE -256 512 -304 512
WIRE -240 0 -240 -32
WIRE -128 512 -176 512
WIRE -128 544 -128 512
WIRE -128 640 -128 608
WIRE -112 192 -176 192
WIRE -112 240 -112 192
WIRE -80 192 -112 192
WIRE -80 240 -112 240
WIRE -80 256 -128 256
WIRE -64 336 -64 304
WIRE 16 -176 -16 -176
WIRE 16 -128 16 -176
WIRE 16 112 -352 112
WIRE 16 192 -16 192
WIRE 16 192 16 112
WIRE 16 256 -16 256
WIRE 16 256 16 192
WIRE 16 432 16 256
WIRE 16 528 16 496
WIRE 16 544 16 528
WIRE 16 640 16 608
WIRE 80 464 80 -48
WIRE 80 528 16 528
WIRE 80 544 80 528
WIRE 80 640 80 608
WIRE 144 -256 -112 -256
WIRE 144 -240 144 -256
WIRE 144 -128 16 -128
WIRE 144 -128 144 -160
WIRE 144 464 80 464
WIRE 144 512 -128 512
WIRE 144 528 80 528
WIRE 160 560 160 528
WIRE 224 -256 144 -256
WIRE 224 -176 224 -256
WIRE 224 -128 144 -128
WIRE 224 -112 224 -128
WIRE 224 -16 224 -48
WIRE 224 336 192 336
WIRE 224 384 224 352
WIRE 256 -256 224 -256
WIRE 256 -176 224 -176
WIRE 272 -128 224 -128
WIRE 368 -256 320 -256
WIRE 368 -176 336 -176
WIRE 368 -176 368 -256
WIRE 368 -128 320 -128
WIRE 368 -112 368 -128
WIRE 368 -16 368 -48
WIRE 400 480 208 480
WIRE 400 480 400 288
WIRE 432 336 288 336
WIRE 432 432 368 432
WIRE 432 432 432 336
WIRE 448 -256 368 -256
WIRE 448 -240 448 -256
WIRE 448 -128 368 -128
WIRE 448 -128 448 -160
WIRE 448 288 400 288
WIRE 448 336 432 336
WIRE 448 432 432 432
WIRE 448 480 400 480
WIRE 480 -256 448 -256
WIRE 480 -128 448 -128
WIRE 496 272 496 240
WIRE 496 384 496 352
WIRE 496 416 496 384
WIRE 496 528 496 496
WIRE 496 560 496 528
WIRE 592 -256 560 -256
WIRE 592 -240 592 -256
WIRE 592 -144 592 -176
WIRE 592 240 496 240
WIRE 592 272 592 240
WIRE 592 368 592 336
WIRE 592 384 496 384
WIRE 592 416 592 384
WIRE 592 528 496 528
WIRE 592 528 592 480
WIRE 640 240 592 240
WIRE 640 528 592 528
WIRE 656 -256 592 -256
WIRE 656 384 592 384
SYMBOL sw 496 368 M180
WINDOW 0 32 88 Left 0
WINDOW 3 32 32 Left 0
SYMATTR InstName S2
SYMATTR Value Ho
SYMBOL cap -144 544 R0
WINDOW 0 32 8 Left 0
WINDOW 3 32 56 Left 0
SYMATTR InstName C8
SYMATTR Value 1p
SYMBOL sw 496 512 M180
WINDOW 0 32 88 Left 0
WINDOW 3 32 32 Left 0
SYMATTR InstName S3
SYMATTR Value Lo
SYMBOL res -160 496 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 75k
SYMBOL Digital\\schmtinv 224 272 R0
WINDOW 0 0 32 Left 0
WINDOW 3 32 88 Left 0
WINDOW 38 48 32 Left 0
WINDOW 123 32 120 Left 0
SYMATTR InstName A6
SYMATTR Value Vt=4.8 Vh=.1
SYMATTR Value2 trise=200n
SYMBOL res 128 -256 R0
SYMATTR InstName R1
SYMATTR Value 8e6
SYMBOL sw 352 -176 M270
WINDOW 0 40 88 VRight 0
WINDOW 3 40 32 VLeft 0
SYMATTR InstName S1
SYMATTR Value ref
SYMBOL cap 576 -176 M180
WINDOW 0 32 56 Left 0
WINDOW 3 32 8 Left 0
SYMATTR InstName C3
SYMATTR Value 10p
SYMBOL diode 32 432 M0
WINDOW 3 40 56 Left 0
WINDOW 0 40 24 Left 0
SYMATTR Value 2R
SYMATTR InstName D3
SYMBOL res -160 176 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 165k
SYMBOL diode 32 544 M0
WINDOW 3 41 40 Left 0
WINDOW 0 41 8 Left 0
SYMATTR Value 1R
SYMATTR InstName D4
FLAG 656 384 Out
FLAG 592 -144 COM
FLAG 656 -256 Ref
FLAG -128 640 COM
FLAG -352 192 Vfb
FLAG -352 112 Err
FLAG 16 640 COM
FLAG -304 640 COM
FLAG -304 320 COM
FLAG -304 64 COM
FLAG -128 256 2v5
FLAG 368 -16 COM
FLAG 640 240 Vcc
FLAG 640 528 Com
FLAG 592 368 COM
FLAG 480 -128 2v5
FLAG 192 336 Ref
FLAG 80 640 COM
FLAG 224 -16 COM
FLAG 368 432 fault
FLAG 224 384 COM
FLAG -64 336 COM
FLAG 160 560 COM
FLAG -240 0 COM
FLAG 496 560 COM