* 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)
C4 N003 0 10
R4 N014 N012 52.3K
K1 L1 L2 1
C2 OUT 0 50
V1 IN 0 54
R7 OUT N007 43.7K
R10 0 N006 {50K*2}
L2 N001 0 100 Rser=.2
D2 N001 N002 1N5817
L1 IN N010 400 Rser=1 Rpar=2K
MQ1 N010 N013 N015 N015 Si4470DY
R13 N011 0 365K
R8 N007 0 4.99K
R6 N008 N007 47K tol=1 pwr=0.1
R2 IN N003 100K
Rload OUT 0 7
L3 N002 OUT 2 Rpar=1K
R5 N015 0 5m
R1 IN N004 100K
D3 0 N004 BZX84C15L
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
D1 0 N002 1N5817
R14 N005 0 30.9
C1 N008 N009 .0047
C5 0 IN 22
R12 0 N016 100K
R9 N006 N003 500K
C3 N012 0 {.01u/1000}
Q2 IN N004 N003 0 2N3019
.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 1312 512 R0
SYMATTR InstName R7
SYMATTR Value 43.7K
SYMBOL res 528 -192 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res 384 16 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 500K
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 720 -176 R0
SYMATTR InstName R1
SYMATTR Value 100K
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 res 1312 640 R0
SYMATTR InstName R8
SYMATTR Value 4.99K
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 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 res 384 528 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 500
SYMBOL LTC4269-2 112 192 R0
SYMATTR InstName U1
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 cap 528 208 R0
SYMATTR InstName C4
SYMATTR Value 10
SYMBOL res 1376 -192 R0
SYMATTR InstName Rload
SYMATTR Value 7
SYMBOL cap -192 368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value {.01u/1000}
SYMBOL npn 704 -112 M0
SYMATTR InstName Q2
SYMATTR Value 2N3019
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 res -160 528 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 100K
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 res 880 448 R0
SYMATTR InstName R5
SYMATTR Value 5m
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 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 nmos 848 240 R0
SYMATTR InstName Q1
SYMATTR Value Si4470DY
SYMBOL res -48 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 365K
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 voltage -240 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 54
SYMBOL cap -144 112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .0047
SYMBOL cap 1232 -176 R0
SYMATTR InstName C2
SYMATTR Value 50
SYMBOL cap 304 -48 M180
WINDOW 0 25 58 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 22
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