* Z:\home\khalils\Downloads\files\data\raw_asc\LT1947.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\LT1947.asy)
Rload1 +24 0 5K
R1 +8 N004 53.6K
C4 N001 N003 .68
R4 +24 N005 182K
R3 N005 0 10K
D1 N003 +8 1N5819
C5 -8 0 .68
L1 IN N003 3.3
L2 N002 IN 4.7
Rload2 -8 0 800
Rload3 +8 0 40
R5 N007 0 2.4K
D2 N002 +24 1N5819
C3 +24 0 .22
D3 N001 0 1N5819
XU1 N004 N005 N008 N003 0 IN N002 N006 +24 N007 LT1947 ;pnba FB1)FB2)Ct)SW1)GND)Vin)SW2)_SHDN)Vo2)Von
C1 +8 0 3.3 x2
D4 -8 N001 1N5819
V1 IN 0 5
C2 N008 0 10n
R2 N004 0 10K
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.tran 500u startup
.lib LT1947.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2576 1300
WIRE 1856 544 1808 544
WIRE 1968 544 1920 544
WIRE 2064 544 1968 544
WIRE 2192 544 2128 544
WIRE 2368 544 2192 544
WIRE 1968 560 1968 544
WIRE 2192 560 2192 544
WIRE 2368 560 2368 544
WIRE 1856 624 1440 624
WIRE 1440 640 1440 624
WIRE 2192 656 2192 624
WIRE 2368 656 2368 640
WIRE 1616 720 1520 720
WIRE 1744 720 1680 720
WIRE 1760 720 1744 720
WIRE 1856 720 1856 624
WIRE 1856 720 1840 720
WIRE 1872 720 1856 720
WIRE 1968 720 1968 624
WIRE 1968 720 1952 720
WIRE 2016 720 1968 720
WIRE 2128 720 2080 720
WIRE 2256 720 2128 720
WIRE 2368 720 2256 720
WIRE 1440 736 1440 720
WIRE 2368 736 2368 720
WIRE 2128 752 2128 720
WIRE 2256 752 2256 720
WIRE 1744 800 1744 720
WIRE 1856 800 1856 720
WIRE 1968 800 1968 720
WIRE 2256 832 2256 816
WIRE 2368 832 2368 816
WIRE 1408 880 1264 880
WIRE 1520 880 1520 720
WIRE 1520 880 1408 880
WIRE 1664 880 1520 880
WIRE 2128 880 2128 832
WIRE 2128 880 2048 880
WIRE 1264 896 1264 880
WIRE 1408 896 1408 880
WIRE 1520 896 1520 880
WIRE 2128 912 2128 880
WIRE 1264 992 1264 976
WIRE 1408 992 1408 960
WIRE 1520 992 1520 976
WIRE 1664 992 1520 992
WIRE 1520 1008 1520 992
WIRE 2128 1008 2128 992
WIRE 1520 1104 1520 1088
WIRE 1664 1104 1648 1104
WIRE 2080 1104 2048 1104
WIRE 2176 1104 2160 1104
WIRE 1760 1200 1760 1184
WIRE 1952 1200 1952 1184
WIRE 1760 1280 1760 1264
SYMBOL cap 1952 560 R0
SYMATTR InstName C4
SYMATTR Value .68
SYMBOL schottky 2128 560 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value 1N5819
SYMBOL schottky 1680 736 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N5819
SYMBOL ind 1744 736 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 4.7
SYMBOL RES 2112 736 R0
SYMATTR InstName R1
SYMATTR Value 53.6K
SYMBOL res 1248 880 R0
SYMATTR InstName Rload1
SYMATTR Value 5K
SYMBOL res 2352 544 R0
SYMATTR InstName Rload2
SYMATTR Value 800
SYMBOL res 1504 880 R0
SYMATTR InstName R4
SYMATTR Value 182K
SYMBOL res 2064 1120 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 2.4K
SYMBOL cap 2240 752 R0
WINDOW 123 34 64 Left 2
WINDOW 3 36 38 Left 2
SYMATTR Value2 x2
SYMATTR Value 3.3
SYMATTR InstName C1
SYMBOL VOLTAGE 1440 624 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL ind 1856 736 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.3
SYMBOL schottky 2016 736 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMBOL cap 1744 1200 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res 2352 720 R0
SYMATTR InstName Rload3
SYMATTR Value 40
SYMBOL res 2112 896 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 2176 560 R0
SYMATTR InstName C5
SYMATTR Value .68
SYMBOL POWERPRODUCTS\\LT1947 1856 992 R0
SYMATTR InstName U1
SYMBOL schottky 1920 560 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value 1N5819
SYMBOL res 1504 992 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 1392 896 R0
SYMATTR InstName C3
SYMATTR Value .22
FLAG 2128 1008 0
FLAG 2256 832 0
FLAG 2368 832 0
FLAG 1760 1280 0
FLAG 1952 1200 0
FLAG 1520 1104 0
FLAG 1408 992 0
FLAG 2192 656 0
FLAG 1808 544 0
FLAG 2368 656 0
FLAG 2176 1104 0
FLAG 1440 736 0
FLAG 1264 880 +24
FLAG 2368 544 -8
FLAG 2368 720 +8
FLAG 1264 992 0
FLAG 1440 624 IN
TEXT 2000 1240 Left 2 !.tran 500u startup