* Z:\home\khalils\Downloads\files\data\raw_asc\LTC4269-2.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\LTC4269-2.asy)
K1 L1 L2 1
C4 N003 0 10
C5 0 IN 22
C1 N008 N009 .0047
Rload OUT 0 7
R12 0 N016 100K
D2 N001 N002 1N5817
L3 N002 OUT 2 Rpar=1K
R5 N015 0 5m
V1 IN 0 54
Q2 IN N004 N003 0 2N3019
D1 0 N002 1N5817
R13 N011 0 365K
MQ1 N010 N013 N015 N015 Si4470DY
R10 0 N006 {50K*2}
C3 N012 0 {.01u/1000}
R6 N008 N007 47K tol=1 pwr=0.1
L2 N001 0 100 Rser=.2
XU1 0 NC_01 N005 0 N006 NC_02 0 NC_03 N009 N007 N011 IN N012 N014 N006 0 0 N017 N015 N016 0 N013 N003 LTC4269-2 ;pnba SHDN)_T2PSE)Rclass)VPORTN)PWRGD)_PWRGD)Vneg)Sout)Comp)FB)Rosc)VPORTP)SS_MaxDC)Vref)SD_Vsec)GND)Blank)Isense)OC)Delay)PGND)Out)Vin
R11 N015 N017 500
R1 IN N004 100K
C2 OUT 0 50
D3 0 N004 BZX84C15L
R14 N005 0 30.9
L1 IN N010 400 Rser=1 Rpar=2K
R4 N014 N012 52.3K
R2 IN N003 100K
R8 N007 0 4.99K
R7 OUT N007 43.7K
R9 N006 N003 500K
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 4m startup
.lib LTC4269-2.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1516 848
WIRE 320 -192 -240 -192
WIRE 544 -192 320 -192
WIRE 640 -192 544 -192
WIRE 736 -192 640 -192
WIRE 896 -192 736 -192
WIRE 1008 -192 944 -192
WIRE 1104 -192 1072 -192
WIRE 1136 -192 1104 -192
WIRE 1248 -192 1216 -192
WIRE 1328 -192 1248 -192
WIRE 1392 -192 1328 -192
WIRE -240 -176 -240 -192
WIRE 544 -176 544 -192
WIRE 896 -176 896 -192
WIRE 944 -176 944 -192
WIRE 1248 -176 1248 -192
WIRE 1392 -176 1392 -192
WIRE 736 -160 736 -192
WIRE 1104 -160 1104 -192
WIRE -48 -128 -64 -128
WIRE 320 -128 320 -192
WIRE 320 -128 272 -128
WIRE 320 -112 320 -128
WIRE 640 -112 640 -192
WIRE -240 -80 -240 -96
WIRE 544 -80 544 -96
WIRE 544 -80 400 -80
WIRE 944 -80 944 -96
WIRE 1104 -80 1104 -96
WIRE 1248 -80 1248 -112
WIRE 1392 -80 1392 -96
WIRE 736 -64 736 -80
WIRE 736 -64 704 -64
WIRE 320 -32 320 -48
WIRE 736 -32 736 -64
WIRE 544 -16 544 -80
WIRE 640 -16 544 -16
WIRE -144 0 -160 0
WIRE -48 0 -64 0
WIRE 304 0 272 0
WIRE 400 0 304 0
WIRE 736 48 736 32
WIRE -48 64 -64 64
WIRE 304 64 304 0
WIRE 304 64 272 64
WIRE -240 128 -304 128
WIRE -144 128 -160 128
WIRE -48 128 -80 128
WIRE 288 128 272 128
WIRE -304 192 -304 128
WIRE -48 192 -304 192
WIRE 544 192 544 -16
WIRE 544 192 272 192
WIRE 544 208 544 192
WIRE 896 240 896 -96
WIRE -144 256 -160 256
WIRE -48 256 -64 256
WIRE 544 288 544 272
WIRE -48 320 -160 320
WIRE 848 320 272 320
WIRE -240 384 -256 384
WIRE -160 384 -160 320
WIRE -160 384 -192 384
WIRE -144 384 -160 384
WIRE -48 384 -64 384
WIRE 288 384 272 384
WIRE -48 448 -64 448
WIRE 384 448 272 448
WIRE 896 448 896 336
WIRE 896 448 384 448
WIRE 896 464 896 448
WIRE -144 512 -160 512
WIRE -48 512 -64 512
WIRE 288 512 272 512
WIRE 384 512 384 448
WIRE 384 512 368 512
WIRE 1328 528 1328 -192
WIRE 896 560 896 544
WIRE 112 576 112 560
WIRE -304 640 -304 192
WIRE 1328 640 1328 608
WIRE 1328 640 -304 640
WIRE 1328 656 1328 640
WIRE 1328 752 1328 736
SYMBOL res 384 528 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 500
SYMBOL res 1312 640 R0
SYMATTR InstName R8
SYMATTR Value 4.99K
SYMBOL res 880 448 R0
SYMATTR InstName R5
SYMATTR Value 5m
SYMBOL ind2 880 -192 R0
WINDOW 0 0 43 Right 2
WINDOW 3 2 71 Right 2
SYMATTR InstName L1
SYMATTR Value 400
SYMATTR Type ind
SYMATTR SpiceLine Rser=1 Rpar=2K
SYMBOL cap 304 -48 M180
WINDOW 0 25 58 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 22
SYMBOL voltage -240 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 54
SYMBOL zener 720 32 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value BZX84C15L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1312 512 R0
SYMATTR InstName R7
SYMATTR Value 43.7K
SYMBOL schottky 1008 -176 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -160 528 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 100K
SYMBOL ind2 960 -192 M0
WINDOW 0 0 43 Right 2
WINDOW 3 2 71 Right 2
SYMATTR InstName L2
SYMATTR Value 100
SYMATTR Type ind
SYMATTR SpiceLine Rser=.2
SYMBOL npn 704 -112 M0
SYMATTR InstName Q2
SYMATTR Value 2N3019
SYMBOL res 384 96 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value {50K*2}
SYMBOL ind 1120 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 2
SYMATTR SpiceLine Rpar=1K
SYMBOL res -48 400 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 52.3K
SYMBOL res 528 -192 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL LTC4269-2 112 192 R0
SYMATTR InstName U1
SYMBOL nmos 848 240 R0
SYMATTR InstName Q1
SYMATTR Value Si4470DY
SYMBOL res 384 16 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 500K
SYMBOL res -48 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 365K
SYMBOL cap -144 112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .0047
SYMBOL res -144 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 47K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap 528 208 R0
SYMATTR InstName C4
SYMATTR Value 10
SYMBOL cap 1232 -176 R0
SYMATTR InstName C2
SYMATTR Value 50
SYMBOL res 720 -176 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res 1376 -192 R0
SYMATTR InstName Rload
SYMATTR Value 7
SYMBOL res -48 16 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 30.9
SYMBOL schottky 1088 -96 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -192 368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value {.01u/1000}
FLAG 1392 -192 OUT
FLAG -240 -80 0
FLAG -240 -192 IN
FLAG -160 256 0
FLAG -64 448 0
FLAG 112 576 0
FLAG 288 128 0
FLAG -160 512 0
FLAG 896 560 0
FLAG 288 384 0
FLAG 1328 752 0
FLAG 1392 -80 0
FLAG 1248 -80 0
FLAG 1104 -80 0
FLAG 944 -80 0
FLAG 736 48 0
FLAG -64 64 0
FLAG -64 -128 0
FLAG -160 0 0
FLAG 320 -32 0
FLAG -256 384 0
FLAG 400 80 0
FLAG 544 288 0
TEXT 920 -192 Bottom 2 !K1 L1 L2 1
TEXT 1008 688 Left 2 !.tran 4m startup