* Z:\home\khalils\Downloads\files\data\raw_asc\LT8640S-2.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\LT8640S-2.asy)
C5 OUT N007 10p
R4 OUT N001 100K
R2 OUT N007 1Meg
L1 N005 OUT 3.3 Rser=10m
R1 N004 0 41.2K
V1 IN 0 12
XU1 OUT N002 N003 IN NC_01 0 MP_02 N005 MP_03 0 MP_04 MP_05 IN IN N004 N006 0 0 N001 N007 LT8640S-2 ;pnba Bias)INTVcc)BST)Vin1)CLKOUT)GND1))SW))GND2)))Vin2)EN/UV)Rt)TR/SS)Sync/Mode)GND)PG)FB
C1 N006 0 1n
C6 IN 0 1
C3 N003 N005 0.1
R3 N007 0 243K
C4 OUT 0 100 V=6.3 Irms=0 Rser=0.002 Lser=0
C7 IN 0 1
Rload OUT 0 0.833
C2 N002 0 1
.tran 2m startup
.lib LT8640S-2.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1848 740
WIRE -32 -96 -48 -96
WIRE 32 -96 -32 -96
WIRE 64 -96 32 -96
WIRE 208 -96 64 -96
WIRE 304 -96 208 -96
WIRE 432 -96 304 -96
WIRE 64 -80 64 -96
WIRE 432 -80 432 -96
WIRE 208 -64 208 -96
WIRE 304 -64 304 -96
WIRE -48 -48 -48 -96
WIRE 64 0 64 -16
WIRE 112 0 64 0
WIRE 432 0 432 -16
WIRE 432 0 400 0
WIRE 64 32 64 0
WIRE 432 32 432 0
WIRE -48 64 -48 32
WIRE 32 96 32 -96
WIRE 112 96 32 96
WIRE 464 96 400 96
WIRE 608 96 544 96
WIRE 32 192 0 192
WIRE 112 192 96 192
WIRE 608 192 608 96
WIRE 608 192 400 192
WIRE 112 288 64 288
WIRE 432 288 400 288
WIRE 432 304 432 288
WIRE 16 384 0 384
WIRE 112 384 96 384
WIRE 432 384 432 368
WIRE 432 384 400 384
WIRE 496 384 432 384
WIRE 608 384 608 192
WIRE 608 384 576 384
WIRE 720 384 608 384
WIRE 816 384 720 384
WIRE 912 384 816 384
WIRE 608 400 608 384
WIRE 720 400 720 384
WIRE 816 400 816 384
WIRE 912 400 912 384
WIRE 32 480 0 480
WIRE 112 480 96 480
WIRE 608 480 400 480
WIRE 720 480 720 464
WIRE 720 480 608 480
WIRE 608 496 608 480
WIRE 816 496 816 464
WIRE 912 496 912 480
WIRE 304 560 304 544
WIRE 608 592 608 576
SYMBOL cap 96 496 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL res 560 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL cap 800 400 R0
SYMATTR InstName C4
SYMATTR Value 100
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0
SYMBOL LT8640S-2 256 240 R0
SYMATTR InstName U1
SYMBOL cap 704 400 R0
SYMATTR InstName C5
SYMATTR Value 10p
SYMBOL cap 416 304 R0
SYMATTR InstName C3
SYMATTR Value 0.1
SYMBOL cap 48 -80 R0
SYMATTR InstName C6
SYMATTR Value 1
SYMBOL res 592 384 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL cap 96 208 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL res 896 384 R0
SYMATTR InstName Rload
SYMATTR Value 0.833
SYMBOL ind 480 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=10m
SYMBOL res 112 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 41.2K
SYMBOL voltage -48 -64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 592 480 R0
SYMATTR InstName R3
SYMATTR Value 243K
SYMBOL cap 416 -80 R0
SYMATTR InstName C7
SYMATTR Value 1
FLAG 304 560 0
FLAG 0 384 0
FLAG -48 64 0
FLAG 0 192 0
FLAG 816 496 0
FLAG 608 592 0
FLAG 912 496 0
FLAG 912 384 OUT
FLAG -32 -96 IN
FLAG 64 32 0
FLAG 432 32 0
FLAG 0 480 0
FLAG 64 288 0
TEXT 768 576 Left 2 !.tran 2m startup