* Z:\home\khalils\Downloads\files\data\raw_asc\LT3581.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\LT3581.asy)
V1 IN 0 5
XU1 N004 N007 N001 N006 IN N002 MP_01 MP_02 N002 MP_03 MP_04 MP_05 N005 N008 N009 MP_06 0 LT3581 ;pnba FB)Vc)Gate)_Fault)Vin)SW1)))SW2))))_SHDN)Rt)SS))GND
MQ1 OUT N001 N003 N003 Si4427DY
Rload OUT 0 14
L1 IN N002 1.5 Rser=1.5m
C4 OUT 0 4.7 Rser=5m
D1 N002 N003 1N5818
C3 N007 0 1000p Rser=10.5K Cpar=56p
D2 IN N001 MBR0520L
R5 N005 0 10K
R3 N008 0 43.2K
R4 IN N006 100K
R2 N003 N001 130K
R1 N003 N004 130K
C1 N003 0 4.7 Rser=5m
R6 IN N005 18.7K
C2 N009 0 .02
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 2m startup
.lib LT3581.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1416 680
WIRE 640 -240 176 -240
WIRE 784 -240 704 -240
WIRE 80 -176 -16 -176
WIRE 176 -176 176 -240
WIRE 176 -176 80 -176
WIRE 256 -176 176 -176
WIRE 368 -176 336 -176
WIRE 464 -176 368 -176
WIRE 496 -176 464 -176
WIRE 608 -176 560 -176
WIRE 688 -176 608 -176
WIRE 816 -176 688 -176
WIRE 912 -176 816 -176
WIRE 1056 -176 1008 -176
WIRE 1168 -176 1056 -176
WIRE -16 -160 -16 -176
WIRE 608 -160 608 -176
WIRE 688 -160 688 -176
WIRE 816 -160 816 -176
WIRE 1056 -160 1056 -176
WIRE 1168 -160 1168 -176
WIRE 368 -112 368 -176
WIRE 464 -112 464 -176
WIRE 608 -80 608 -96
WIRE -16 -64 -16 -80
WIRE 1056 -64 1056 -96
WIRE 1168 -64 1168 -80
WIRE 80 -48 80 -176
WIRE 176 -48 176 -176
WIRE 272 -48 176 -48
WIRE 688 -48 688 -80
WIRE 688 -48 560 -48
WIRE 816 -48 816 -80
WIRE 928 -48 928 -128
WIRE 928 -48 816 -48
WIRE 80 48 80 32
WIRE 272 48 80 48
WIRE 784 48 784 -240
WIRE 784 48 560 48
WIRE 928 48 928 -48
WIRE 928 48 784 48
WIRE 80 64 80 48
WIRE 176 64 176 -48
WIRE 272 144 176 144
WIRE 688 144 560 144
WIRE 784 144 752 144
WIRE 80 160 80 144
WIRE 272 240 192 240
WIRE 608 240 560 240
WIRE 192 256 192 240
WIRE 608 256 608 240
WIRE 416 320 416 304
WIRE 192 352 192 336
WIRE 608 352 608 320
SYMBOL pmos 1008 -128 M270
WINDOW 0 55 45 VTop 2
WINDOW 3 -20 74 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si4427DY
SYMBOL schottky 496 -160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 240 -160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1.5
SYMATTR SpiceLine Rser=1.5m
SYMBOL res 176 240 R0
SYMATTR InstName R3
SYMATTR Value 43.2K
SYMBOL cap 1040 -160 R0
SYMATTR InstName C4
SYMATTR Value 4.7
SYMATTR SpiceLine Rser=5m
SYMBOL res 64 -64 R0
SYMATTR InstName R6
SYMATTR Value 18.7K
SYMBOL res 160 48 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL res 1152 -176 R0
SYMATTR InstName Rload
SYMATTR Value 14
SYMBOL voltage -16 -176 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL schottky 640 -224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 592 256 R0
SYMATTR InstName C2
SYMATTR Value .02
SYMBOL cap 592 -160 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMATTR SpiceLine Rser=5m
SYMBOL res 800 -176 R0
SYMATTR InstName R2
SYMATTR Value 130K
SYMBOL cap 688 160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 1000p
SYMATTR SpiceLine Rser=10.5K Cpar=56p
SYMBOL PowerProducts\\LT3581 416 96 R0
SYMATTR InstName U1
SYMBOL res 64 48 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 672 -176 R0
SYMATTR InstName R1
SYMATTR Value 130K
FLAG 608 -80 0
FLAG -16 -64 0
FLAG -16 -176 IN
FLAG 416 320 0
FLAG 192 352 0
FLAG 608 352 0
FLAG 80 160 0
FLAG 784 144 0
FLAG 1056 -64 0
FLAG 1168 -64 0
FLAG 1168 -176 OUT
TEXT 888 136 Left 2 !.tran 2m startup