* Z:\home\khalils\Downloads\files\data\raw_asc\LT3439.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\LT3439.asy)
Rload OUT 0 10
V1 IN 0 5
D2 N002 OUT MBRS140
L3 0 N002 500 Rser=50m
C1 0 N003 1000p
L2 IN N004 500 Rser=50m
K1 L1 L2 L3 L4 0.998
D1 N005 OUT MBRS140
R1 N006 0 16.9K
L1 N005 0 500 Rser=50m
R2 N007 0 17K
L4 N001 IN 500 Rser=50m
C2 OUT 0 47 Rser=10m
XU1 0 IN N001 N007 IN N003 N006 N004 0 LT3439 ;pnba PGND)_SHDN)COL A)RSL)VIN)CT)RT)COL B)GND
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.tran 1m startup
.lib LT3439.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1780 1096
WIRE 544 608 432 608
WIRE 736 608 544 608
WIRE 896 608 736 608
WIRE 432 624 432 608
WIRE 736 624 736 608
WIRE 1024 624 928 624
WIRE 1200 624 1072 624
WIRE 1312 624 1264 624
WIRE 1376 624 1312 624
WIRE 1456 624 1376 624
WIRE 1024 640 1024 624
WIRE 1072 640 1072 624
WIRE 1376 640 1376 624
WIRE 1456 640 1456 624
WIRE 544 704 544 608
WIRE 592 704 544 704
WIRE 928 704 928 624
WIRE 928 704 880 704
WIRE 432 720 432 704
WIRE 896 736 896 608
WIRE 1024 736 1024 720
WIRE 1024 736 896 736
WIRE 1072 736 1072 720
WIRE 1104 736 1072 736
WIRE 1376 736 1376 704
WIRE 1456 736 1456 720
WIRE 1024 752 1024 736
WIRE 1072 752 1072 736
WIRE 512 784 496 784
WIRE 592 784 576 784
WIRE 928 784 880 784
WIRE 928 848 928 784
WIRE 1024 848 1024 832
WIRE 1024 848 928 848
WIRE 1072 848 1072 832
WIRE 1200 848 1072 848
WIRE 1312 848 1312 624
WIRE 1312 848 1264 848
WIRE 480 864 464 864
WIRE 592 864 560 864
WIRE 912 864 880 864
WIRE 912 880 912 864
WIRE 672 960 672 944
WIRE 800 960 800 944
WIRE 912 976 912 960
SYMBOL IND2 1088 848 R180
WINDOW 0 -2 74 Right 2
WINDOW 3 -2 39 Right 2
SYMATTR InstName L1
SYMATTR Value 500
SYMATTR SpiceLine Rser=50m
SYMBOL CAP 512 800 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1000p
SYMBOL schottky 1200 864 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMBOL IND2 1088 736 R180
WINDOW 0 -3 76 Right 2
WINDOW 3 -2 42 Right 2
SYMATTR InstName L3
SYMATTR Value 500
SYMATTR SpiceLine Rser=50m
SYMBOL RES 576 880 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 16.9K
SYMBOL schottky 1200 640 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBRS140
SYMBOL RES 1440 624 R0
SYMATTR InstName Rload
SYMATTR Value 10
SYMBOL IND2 1008 624 R0
WINDOW 0 -1 36 Right 2
WINDOW 3 -1 76 Right 2
SYMATTR InstName L4
SYMATTR Value 500
SYMATTR SpiceLine Rser=50m
SYMBOL VOLTAGE 432 608 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL POLCAP 1360 640 R0
SYMATTR InstName C2
SYMATTR Value 47
SYMATTR SpiceLine Rser=10m
SYMBOL RES 896 864 R0
SYMATTR InstName R2
SYMATTR Value 17K
SYMBOL LT3439 736 784 R0
SYMATTR InstName U1
SYMBOL IND2 1008 736 R0
WINDOW 0 -1 38 Right 2
WINDOW 3 0 77 Right 2
SYMATTR InstName L2
SYMATTR Value 500
SYMATTR SpiceLine Rser=50m
FLAG 1456 624 OUT
FLAG 1104 736 0
FLAG 1376 736 0
FLAG 1456 736 0
FLAG 432 720 0
FLAG 496 784 0
FLAG 464 864 0
FLAG 672 960 0
FLAG 912 976 0
FLAG 800 960 0
FLAG 432 608 IN
TEXT 1128 976 Left 2 !.tran 1m startup
TEXT 1048 600 Bottom 2 !K1 L1 L2 L3 L4 0.998