* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3643.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\LTC3643.asy)
XU1 N016 N010 N003 N013 N002 N011 N002 N007 N004 N017 N005 N009 N006 N014 N015 N008 0 LTC3643 ;pnba FBCAP)PFI)Vin)FBSYS)CPL)Ith)Run)Gate)INDIS)Ilimit)SW)INTVcc)Boost)CAP)CAPGD)PFO)GND
R11 N003 N008 20K
C1 N006 N005 .1
R3 N016 0 6.04K
C4 N014 0 2
R10 N003 N015 20K
C3 0 N009 4.7
Rload N003 0 20
R8 N010 0 12.1K
C2 N003 0 47
L1 N004 N005 4.7
R1 N002 N003 10m
R7 N001 N010 35.7K
R5 N002 N013 44.2K
R2 N014 N016 392K
R6 N013 0 6.04K
MQ1 N001 N007 N002 N002 Si4427DY
V1 N001 0 PWL(0 0 1u 5 1m 5 +20u 0)
R4 N012 N011 400K
C5 0 N012 470p
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 5m
.lib LTC3643.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1492 692
WIRE -288 -80 -688 -80
WIRE -240 -80 -288 -80
WIRE -128 -80 -144 -80
WIRE 32 -80 -128 -80
WIRE 48 -80 32 -80
WIRE 144 -80 128 -80
WIRE 640 -80 144 -80
WIRE 816 -80 640 -80
WIRE 928 -80 816 -80
WIRE 1024 -80 928 -80
WIRE -688 -64 -688 -80
WIRE 928 -64 928 -80
WIRE 1024 -64 1024 -80
WIRE 272 -32 256 -32
WIRE 368 -32 352 -32
WIRE 400 -32 368 -32
WIRE 496 -32 464 -32
WIRE 640 0 640 -80
WIRE 816 0 816 -80
WIRE 32 16 32 -80
WIRE 144 16 144 -80
WIRE 256 16 256 -32
WIRE 368 16 368 -32
WIRE 496 16 496 -32
WIRE -688 32 -688 16
WIRE 928 32 928 0
WIRE 1024 32 1024 16
WIRE -160 80 -160 -32
WIRE -32 80 -160 80
WIRE 640 96 640 80
WIRE 640 96 560 96
WIRE -128 192 -128 -80
WIRE -32 192 -128 192
WIRE 576 192 560 192
WIRE 656 192 640 192
WIRE -288 208 -288 -80
WIRE -288 304 -288 288
WIRE -32 304 -288 304
WIRE 576 304 560 304
WIRE 672 304 656 304
WIRE 752 304 736 304
WIRE -288 320 -288 304
WIRE -128 320 -128 192
WIRE -288 416 -288 400
WIRE -128 416 -128 400
WIRE -32 416 -128 416
WIRE 640 416 560 416
WIRE 752 416 640 416
WIRE -128 432 -128 416
WIRE 640 432 640 416
WIRE 752 432 752 416
WIRE -128 528 -128 512
WIRE -32 528 -64 528
WIRE 640 528 640 512
WIRE 640 528 560 528
WIRE 752 528 752 496
WIRE 640 544 640 528
WIRE 144 608 144 592
WIRE 368 608 368 592
WIRE 640 640 640 624
WIRE -64 672 -64 528
WIRE 816 672 816 80
WIRE 816 672 -64 672
SYMBOL pmos -240 -32 R270
WINDOW 0 70 30 VRight 2
WINDOW 3 -12 74 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si4427DY
SYMBOL res -304 304 R0
SYMATTR InstName R8
SYMATTR Value 12.1K
SYMBOL res 624 416 R0
SYMATTR InstName R2
SYMATTR Value 392K
SYMBOL res 624 528 R0
SYMATTR InstName R3
SYMATTR Value 6.04K
SYMBOL res 624 -16 R0
SYMATTR InstName R11
SYMATTR Value 20K
SYMBOL res 32 -64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10m
SYMBOL res -144 416 R0
SYMATTR InstName R6
SYMATTR Value 6.04K
SYMBOL PowerProducts\\LTC3643 256 304 R0
SYMATTR InstName U1
SYMBOL res -144 304 R0
SYMATTR InstName R5
SYMATTR Value 44.2K
SYMBOL ind 256 -16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 4.7
SYMBOL res 800 -16 R0
SYMATTR InstName R10
SYMATTR Value 20K
SYMBOL cap 640 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL cap 736 432 R0
SYMATTR InstName C4
SYMATTR Value 2
SYMBOL cap 464 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL res 672 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 400K
SYMBOL res 1008 -80 R0
SYMATTR InstName Rload
SYMATTR Value 20
SYMBOL voltage -688 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1u 5 1m 5 +20u 0)
SYMBOL res -304 192 R0
SYMATTR InstName R7
SYMATTR Value 35.7K
SYMBOL cap 736 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 470p
SYMBOL cap 912 -64 R0
SYMATTR InstName C2
SYMATTR Value 47
FLAG -688 32 0
FLAG 1024 32 0
FLAG 928 32 0
FLAG 656 192 0
FLAG 752 528 0
FLAG 640 640 0
FLAG 752 304 0
FLAG 368 608 0
FLAG -128 528 0
FLAG -288 416 0
TEXT 888 520 Left 2 !.tran 5m