* Z:\home\khalils\Downloads\files\data\raw_asc\LT1943.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\LT1943.asy)
L5 N015 Vlogic 4.7
C17 N016 0 2.2
C8 N006 N009 10p
R9 Vlogic 0 2
R11 N016 N018 274K
R7 N017 0 10K
C4 N010 0 150p
R10 ON 0 1K
C15 N022 0 3000p Rser=5K Cpar=100p
C10 N014 N015 .22
C2 N003 N004 1
R2 N008 0 10K
D2 N001 0 MBR0520L
R12 N018 0 10K
R1 AVDD N008 88.7K
R5 OFF N006 44.2K
C3 AVDD 0 10
V1 N002 0 12
C9 OFF 0 2.2
L4 Vlogic N007 10
D3 OFF N001 MBR0520L
R4 N006 N009 10K
L1 N002 N005 33 Rpar=25K
D4 Vlogic N014 CMDSH2-3
R6 OFF 0 100
C12 N019 0 2200p Rser=18K Cpar=100p
C14 N020 0 680p Rser=27K Cpar=100p
R8 Vlogic N017 16.2K
D1 N004 AVDD 1N5818
C13 N021 0 2200p Rser=6.8K Cpar=100p
XU1 0 N019 N021 N017 N008 N018 N006 N009 N020 N022 0 N014 N015 MP_01 N002 MP_02 N011 N010 N007 MP_03 N005 Vlogic N012 N016 N013 ON N003 LT1943 ;pnba GND)Vc1)Vc2)FB1)FB2)FB3)NFB4)FB4)Vc3)Vc4)SGND)BOOST)SW1))Vin))SS-234)RUN-SS)SW4))SW3)BIAS)_PGOOD)E3)CT)Von)SW2
C7 N001 N007 .47
C11 Vlogic 0 22
L3 N004 0 10
D5 0 N015 B520C
C5 N011 0 150p
L2 N002 N003 10
C6 N013 0 150p
C16 ON 0 .47
R3 AVDD 0 24
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.tran 1m startup
.lib LT1943.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1000 852
WIRE -480 -176 -560 -176
WIRE -384 -176 -480 -176
WIRE -352 -176 -384 -176
WIRE -256 -176 -288 -176
WIRE -112 -176 -256 -176
WIRE 112 -176 -16 -176
WIRE 240 -176 112 -176
WIRE 304 -176 240 -176
WIRE 416 -176 384 -176
WIRE 448 -176 416 -176
WIRE 528 -176 512 -176
WIRE 560 -176 528 -176
WIRE 656 -176 624 -176
WIRE 736 -176 656 -176
WIRE 832 -176 736 -176
WIRE -560 -160 -560 -176
WIRE -16 -160 -16 -176
WIRE -480 -144 -480 -176
WIRE 240 -144 240 -176
WIRE 736 -144 736 -176
WIRE 832 -144 832 -176
WIRE -256 -128 -256 -176
WIRE 528 -128 528 -176
WIRE -384 -96 -384 -176
WIRE -112 -80 -112 -176
WIRE -560 -64 -560 -80
WIRE -480 -64 -480 -80
WIRE -16 -64 -16 -80
WIRE 736 -48 736 -80
WIRE 832 -48 832 -64
WIRE -256 -32 -256 -64
WIRE 112 -32 112 -176
WIRE 240 -32 240 -64
WIRE 656 -32 656 -176
WIRE 528 -16 528 -48
WIRE -384 32 -384 -16
WIRE -304 32 -384 32
WIRE -256 32 -304 32
WIRE -208 32 -224 32
WIRE -112 32 -112 -16
WIRE -112 32 -128 32
WIRE 0 32 -112 32
WIRE 416 32 416 -176
WIRE 416 32 352 32
WIRE -384 64 -384 32
WIRE -304 64 -304 32
WIRE -256 96 -256 32
WIRE 0 96 -256 96
WIRE 656 96 656 48
WIRE 656 96 352 96
WIRE 656 112 656 96
WIRE -384 160 -384 144
WIRE -304 160 -304 128
WIRE -304 160 -384 160
WIRE 0 160 -304 160
WIRE 368 160 352 160
WIRE 496 160 432 160
WIRE 656 208 656 192
WIRE -224 224 -224 32
WIRE -224 224 -400 224
WIRE 0 224 -224 224
WIRE 416 224 352 224
WIRE 496 224 480 224
WIRE -224 240 -224 224
WIRE 0 288 -16 288
WIRE 368 288 352 288
WIRE 496 288 432 288
WIRE -224 352 -224 304
WIRE 0 352 -224 352
WIRE 768 352 352 352
WIRE 864 352 768 352
WIRE 864 368 864 352
WIRE 768 384 768 352
WIRE -496 416 -576 416
WIRE -400 416 -400 224
WIRE -400 416 -496 416
WIRE -352 416 -400 416
WIRE -224 416 -272 416
WIRE 0 416 -224 416
WIRE 592 416 352 416
WIRE 672 416 592 416
WIRE -576 432 -576 416
WIRE -224 432 -224 416
WIRE -496 448 -496 416
WIRE 592 448 592 416
WIRE 672 448 672 416
WIRE -400 464 -400 416
WIRE 0 480 -192 480
WIRE 544 480 352 480
WIRE 768 480 768 448
WIRE 864 480 864 448
WIRE -224 512 -224 496
WIRE -576 528 -576 512
WIRE -496 528 -496 512
WIRE 592 528 592 512
WIRE -112 544 -144 544
WIRE 0 544 -48 544
WIRE 400 544 352 544
WIRE 496 544 464 544
WIRE -400 560 -400 544
WIRE -192 560 -192 480
WIRE -192 560 -400 560
WIRE 544 560 544 480
WIRE 672 560 672 528
WIRE 672 560 544 560
WIRE 672 576 672 560
WIRE -400 592 -400 560
WIRE 0 608 -176 608
WIRE 416 608 352 608
WIRE -176 624 -176 608
WIRE 416 624 416 608
WIRE 672 672 672 656
WIRE -400 688 -400 672
WIRE 112 704 112 672
WIRE 240 704 240 672
WIRE -176 720 -176 688
WIRE 416 720 416 688
SYMBOL res 640 -48 R0
SYMATTR InstName R1
SYMATTR Value 88.7K
SYMBOL cap 416 240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 150p
SYMBOL res -416 448 R0
SYMATTR InstName R8
SYMATTR Value 16.2K
SYMBOL schottky -352 -160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -240 352 R0
WINDOW 0 36 19 Left 2
WINDOW 3 34 49 Left 2
SYMATTR InstName C10
SYMATTR Value .22
SYMBOL cap 752 384 R0
SYMATTR InstName C16
SYMATTR Value .47
SYMBOL cap -128 -80 R0
SYMATTR InstName C7
SYMATTR Value .47
SYMBOL ind 224 -160 R0
SYMATTR InstName L1
SYMATTR Value 33
SYMATTR SpiceLine Rpar=25K
SYMBOL res 848 352 R0
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL cap 720 -144 R0
WINDOW 39 26 72 Left 2
SYMATTR InstName C3
SYMATTR Value 10
SYMBOL schottky -208 496 R180
WINDOW 0 8 62 Right 2
WINDOW 3 21 3 Left 2
SYMATTR InstName D5
SYMATTR Value B520C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 432 624 M0
WINDOW 0 8 5 Right 2
WINDOW 3 -9 35 Right 2
WINDOW 39 5 69 Right 2
SYMATTR InstName C15
SYMATTR Value 3000p
SYMATTR SpiceLine Rser=5K Cpar=100p
SYMBOL res -592 416 R0
SYMATTR InstName R9
SYMATTR Value 2
SYMBOL cap -48 528 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 55 90 VTop 2
SYMATTR InstName C12
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=18K Cpar=100p
SYMBOL ind -256 432 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 4.7
SYMBOL ind -224 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 10
SYMBOL res 640 96 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res -416 576 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL cap 448 -160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL res 816 -160 R0
SYMATTR InstName R3
SYMATTR Value 24
SYMBOL cap -496 -144 R0
WINDOW 39 24 65 Left 2
SYMATTR InstName C9
SYMATTR Value 2.2
SYMBOL schottky -272 -128 R0
SYMATTR InstName D2
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -512 448 R0
WINDOW 39 26 65 Left 2
SYMATTR Value 22
SYMATTR InstName C11
SYMBOL PowerProducts\\LT1943 176 320 R0
SYMATTR InstName U1
SYMBOL res -400 48 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL ind 288 -160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 10
SYMBOL cap 368 304 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 150p
SYMBOL cap -192 624 R0
WINDOW 0 21 9 Left 2
WINDOW 3 41 35 Left 2
WINDOW 39 29 71 Left 2
SYMATTR InstName C13
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=6.8K Cpar=100p
SYMBOL res 656 560 R0
SYMATTR InstName R12
SYMATTR Value 10K
SYMBOL res 656 432 R0
SYMATTR InstName R11
SYMATTR Value 274K
SYMBOL schottky -240 240 R0
SYMATTR InstName D4
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 512 -144 R0
SYMATTR InstName L3
SYMATTR Value 10
SYMBOL schottky 560 -160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 576 448 R0
SYMATTR Value 2.2
SYMATTR InstName C17
SYMBOL cap 400 528 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 54 93 VTop 2
SYMATTR InstName C14
SYMATTR Value 680p
SYMATTR SpiceLine Rser=27K Cpar=100p
SYMBOL voltage -16 -176 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res -576 -176 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL res -400 -112 R0
SYMATTR InstName R5
SYMATTR Value 44.2K
SYMBOL cap -320 64 R0
SYMATTR InstName C8
SYMATTR Value 10p
SYMBOL cap 368 176 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 150p
FLAG -16 -64 0
FLAG 528 -16 0
FLAG 736 -48 0
FLAG 656 208 0
FLAG 832 -48 0
FLAG 832 -176 AVDD
FLAG 496 288 0
FLAG 496 224 0
FLAG 496 160 0
FLAG -256 -32 0
FLAG -480 -64 0
FLAG -560 -64 0
FLAG -560 -176 OFF
FLAG -224 512 0
FLAG -400 688 0
FLAG -496 528 0
FLAG -576 528 0
FLAG -576 416 Vlogic
FLAG 112 704 0
FLAG 240 704 0
FLAG -144 544 0
FLAG -176 720 0
FLAG 496 544 0
FLAG 416 720 0
FLAG 864 480 0
FLAG 768 480 0
FLAG 672 672 0
FLAG 592 528 0
FLAG 864 352 ON
TEXT 600 768 Left 2 !.tran 1m startup