* Z:\home\khalils\Downloads\files\data\raw_asc\LT3511.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\LT3511.asy)
XU1 N003 MP_01 IN MP_02 0 N010 MP_03 MP_04 MP_05 N009 N006 N007 MP_06 N004 MP_07 N005 LT3511 ;pnba EN/UVLO))Vin))GND)Bias))))Vc)Tc)Rref))Rfb))SW
D1 N005 N002 1N4148
D3 N001 OUT MBR0540
C2 0 N010 4.7
R7 OUT 0 15
L2 0 N001 19
R3 N006 0 69.8K
V1 IN 0 50
R2 N003 0 43.2K
C3 N009 N008 2.2n
R4 N005 N004 169K
R5 0 N007 10K
D2 IN N002 DFLZ33
R6 N008 0 16.9K
K1 L1 L2 1.
C1 OUT 0 22
R1 IN N003 1Meg
L1 IN N005 300
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.tran 3m startup
.lib LT3511.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1148 680
WIRE -64 -64 -176 -64
WIRE 240 -64 -64 -64
WIRE 512 -64 240 -64
WIRE 672 -64 512 -64
WIRE -176 -48 -176 -64
WIRE 512 -48 512 -64
WIRE -64 -32 -64 -64
WIRE 800 -32 720 -32
WIRE 912 -32 864 -32
WIRE 1024 -32 912 -32
WIRE 672 -16 672 -64
WIRE 720 -16 720 -32
WIRE 912 -16 912 -32
WIRE 1024 -16 1024 -32
WIRE 512 32 512 16
WIRE -176 48 -176 32
WIRE 240 48 240 -64
WIRE 720 80 720 64
WIRE 912 80 912 48
WIRE 1024 80 1024 64
WIRE -64 112 -64 48
WIRE 80 112 -64 112
WIRE 416 112 400 112
WIRE 512 112 512 96
WIRE 512 112 496 112
WIRE 672 112 672 64
WIRE 672 112 512 112
WIRE -64 128 -64 112
WIRE 672 192 672 112
WIRE 672 192 400 192
WIRE -64 224 -64 208
WIRE -64 272 -112 272
WIRE 80 272 16 272
WIRE 416 272 400 272
WIRE 512 272 496 272
WIRE -96 352 -112 352
WIRE 0 352 -16 352
WIRE 80 352 64 352
WIRE 432 352 400 352
WIRE 512 352 496 352
WIRE 240 432 240 416
SYMBOL res -80 -48 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL cap 896 -16 R0
SYMATTR InstName C1
SYMATTR Value 22
SYMBOL schottky 800 -16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value MBR0540
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 32 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 69.8K
SYMBOL ind2 656 -32 R0
WINDOW 0 4 37 Right 2
WINDOW 3 0 74 Right 2
SYMATTR InstName L1
SYMATTR Value 300
SYMATTR Type ind
SYMBOL res 512 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 169K
SYMBOL res 1008 -32 R0
SYMATTR InstName R7
SYMATTR Value 15
SYMBOL cap 496 336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 4.7
SYMBOL diode 496 96 M180
WINDOW 0 26 59 Left 2
WINDOW 3 25 6 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL PowerProducts\\LT3511 240 224 R0
SYMATTR InstName U1
SYMBOL ind2 736 80 R180
WINDOW 0 1 75 Right 2
WINDOW 3 0 39 Right 2
SYMATTR InstName L2
SYMATTR Value 19
SYMATTR Type ind
SYMBOL voltage -176 -64 R0
SYMATTR InstName V1
SYMATTR Value 50
SYMBOL res -80 112 R0
SYMATTR InstName R2
SYMATTR Value 43.2K
SYMBOL res 512 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL zener 496 -48 R0
WINDOW 3 27 62 Left 2
SYMATTR Value DFLZ33
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 64 336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 2.2n
SYMBOL res 0 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 16.9K
FLAG 240 432 0
FLAG 512 272 0
FLAG 720 80 0
FLAG 912 80 0
FLAG 1024 80 0
FLAG -64 224 0
FLAG 512 352 0
FLAG -112 352 0
FLAG -112 272 0
FLAG -176 48 0
FLAG -176 -64 IN
FLAG 1024 -32 OUT
TEXT 696 320 Left 2 !.tran 3m startup
TEXT 696 -64 Bottom 2 !K1 L1 L2 1.