* Z:\home\khalils\Downloads\files\data\raw_asc\LT3571.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\LT3571.asy)
V1 N001 0 5
R1 N007 N008 20
R5 N009 0 12.1K
R4 N011 0 10K
C4 N003 0 1
D1 0 N004 APD
C3 N007 0 .1
C2 N011 0 10n
V2 N005 0 PULSE(.5 1.5 22m 10u 10u .5m 1m)
R2 N008 N010 1Meg
L1 N001 N002 10
R6 N001 N003 100K
R3 N010 0 20.5K
XU1 MP_01 N004 N008 N007 N002 MP_02 0 MP_03 N009 MP_04 N001 N003 N006 N006 N010 N011 LT3571 ;pnba )APD)MonIn)Vout)SW))GND))Rt))Vin)_SHDN)Vref)CTRL)FB)MON
C1 N008 N010 10p
G1 N004 0 N005 0 1m
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.tran 25m startup
.model APD D(Is=10n Cjo=10p)
.lib LT3571.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1488 680
WIRE -16 -32 -112 -32
WIRE 192 -32 -16 -32
WIRE 224 -32 192 -32
WIRE 320 -32 304 -32
WIRE -112 -16 -112 -32
WIRE -16 -16 -16 -32
WIRE 192 16 192 -32
WIRE 320 16 320 -32
WIRE -112 80 -112 64
WIRE -16 80 -16 64
WIRE 96 80 -16 80
WIRE 720 80 416 80
WIRE -16 96 -16 80
WIRE 720 96 720 80
WIRE 848 96 720 96
WIRE 720 112 720 96
WIRE 848 112 848 96
WIRE 1088 128 896 128
WIRE 1200 128 1168 128
WIRE -16 176 -16 160
WIRE 96 176 80 176
WIRE 528 176 416 176
WIRE 576 176 528 176
WIRE 656 176 640 176
WIRE 528 192 528 176
WIRE 720 208 720 176
WIRE 848 208 848 192
WIRE 848 208 720 208
WIRE 720 224 720 208
WIRE 80 272 80 176
WIRE 96 272 80 272
WIRE 448 272 416 272
WIRE 528 272 448 272
WIRE 448 288 448 272
WIRE 528 288 528 272
WIRE 0 368 -16 368
WIRE 96 368 80 368
WIRE 448 368 448 352
WIRE 448 368 416 368
WIRE 528 368 448 368
WIRE 528 384 528 368
WIRE 192 448 192 432
WIRE 320 448 320 432
WIRE 432 448 320 448
WIRE 320 464 320 448
WIRE 432 464 432 448
WIRE 528 480 528 464
WIRE 320 560 320 544
WIRE 432 560 432 528
SYMBOL g2 848 208 R180
WINDOW 0 -14 103 Right 2
WINDOW 3 -10 9 Right 2
SYMATTR InstName G1
SYMATTR Value 1m
SYMBOL res 512 272 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res -32 -32 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL cap 416 464 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res 512 368 R0
SYMATTR InstName R3
SYMATTR Value 20.5K
SYMBOL diode 704 176 M180
WINDOW 0 30 59 Left 2
WINDOW 3 33 -2 Left 2
SYMATTR InstName D1
SYMATTR Value APD
SYMBOL cap 576 192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL res 512 176 R0
SYMATTR InstName R1
SYMATTR Value 20
SYMBOL cap 432 288 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL res 96 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 12.1K
SYMBOL PowerProducts\\LT3571 256 224 R0
SYMATTR InstName U1
SYMBOL cap -32 96 R0
SYMATTR InstName C4
SYMATTR Value 1
SYMBOL ind 208 -16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10
SYMBOL res 304 448 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL voltage 1072 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 -74 56 VBottom 2
WINDOW 39 -53 56 VBottom 2
SYMATTR InstName V2
SYMATTR Value PULSE(.5 1.5 22m 10u 10u .5m 1m)
SYMBOL voltage -112 -32 R0
SYMATTR InstName V1
SYMATTR Value 5
FLAG 192 448 0
FLAG 320 560 0
FLAG 528 480 0
FLAG 720 224 0
FLAG -112 80 0
FLAG -16 368 0
FLAG 432 560 0
FLAG 656 176 0
FLAG 896 176 0
FLAG 1200 128 0
FLAG -16 176 0
TEXT 768 408 Left 2 !.tran 25m startup
TEXT 648 272 Left 2 !.model APD D(Is=10n Cjo=10p)