* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3731.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\LTC3731.asy)
R6 N021 N023 7.5K
R2 IN N001 10K
R1 N006 OUT .003
C4 N012 OUT 1000p
L3 N020 N022 1
R4 N022 OUT .003
D4 0 N011 1N5817
MQ4 N011 N013 0 0 Si4866DY
XU1 MP_01 N007 N005 N014 OUT 0 N023 N021 0 N006 OUT N012 OUT OUT N022 N017 N016 MP_02 MP_03 MP_04 N019 N018 N020 N024 N013 0 N008 IN N011 N009 N010 N004 N002 N003 N001 LTC3731 ;pnba )PLLIN)PLLFLTR)FCB)IN+)IN-)DIFFOUT)EAIN)SGND)Sense1+)Sense1-)Sense2+)Sense2-)Sense3-)Sense3+)Run/SS)Ith))))Boost3)TG3)SW3)BG3)BG2)PGND)BG1)Vcc)SW2)TG2)Boost2)SW1)TG1)Boost1)Pgood
D1 IN N003 1N5817
MQ1 IN N002 N004 N004 Si4866DY
D6 IN N019 1N5817
C5 N019 N020 .1
D2 0 N004 1N5817
D3 IN N010 1N5817
L2 N011 N012 1
C2 N006 OUT 1000p
MQ3 IN N009 N011 N011 Si4866DY
MQ2 N004 N008 0 0 Si4866DY
C3 N010 N011 .1
C10 N015 0 680p
R7 0 N021 6.04K
Rload OUT 0 .1
C6 N022 OUT 1000p
L1 N004 N006 1
MQ6 N020 N024 0 0 Si4866DY
C1 N003 N004 .1
D5 0 N020 1N5817
MQ5 IN N018 N020 N020 Si4866DY
R3 N012 OUT .003
C7 OUT 0 480 Rser=.01
R5 N016 N015 5K
V1 IN 0 6
C8 N021 N023 100p
C9 N017 0 100p
.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 300u startup
.lib LTC3731.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1356 2464
WIRE -544 464 -640 464
WIRE -240 464 -544 464
WIRE 16 464 -240 464
WIRE 144 464 16 464
WIRE 288 464 144 464
WIRE 400 464 288 464
WIRE 480 464 400 464
WIRE 576 464 480 464
WIRE -640 480 -640 464
WIRE -544 480 -544 464
WIRE 16 480 16 464
WIRE 144 480 144 464
WIRE 288 480 288 464
WIRE 576 496 576 464
WIRE -240 544 -240 464
WIRE -640 576 -640 560
WIRE -544 576 -544 560
WIRE -464 576 -544 576
WIRE 528 576 -16 576
WIRE 288 672 288 544
WIRE 288 672 -16 672
WIRE 320 672 288 672
WIRE 576 672 576 592
WIRE 576 672 384 672
WIRE -464 768 -496 768
WIRE 576 768 576 672
WIRE 576 768 -16 768
WIRE 720 768 576 768
WIRE 768 768 720 768
WIRE 880 768 848 768
WIRE 896 768 880 768
WIRE 992 768 976 768
WIRE 576 784 576 768
WIRE 720 816 720 768
WIRE -464 864 -496 864
WIRE 528 864 -16 864
WIRE 576 912 576 880
WIRE 720 912 720 880
WIRE 48 960 -16 960
WIRE 880 960 880 768
WIRE 880 960 48 960
WIRE 48 976 48 960
WIRE 48 1056 48 1040
WIRE 48 1056 -16 1056
WIRE 992 1056 992 768
WIRE 992 1056 48 1056
WIRE 480 1072 480 464
WIRE 432 1152 -16 1152
WIRE 144 1248 144 544
WIRE 144 1248 -16 1248
WIRE 272 1248 144 1248
WIRE 480 1248 480 1168
WIRE 480 1248 336 1248
WIRE 480 1344 480 1248
WIRE 480 1344 -16 1344
WIRE 624 1344 480 1344
WIRE 768 1344 624 1344
WIRE 880 1344 848 1344
WIRE 896 1344 880 1344
WIRE 992 1344 992 1056
WIRE 992 1344 976 1344
WIRE 480 1360 480 1344
WIRE 624 1392 624 1344
WIRE 432 1440 -16 1440
WIRE 480 1488 480 1456
WIRE 624 1488 624 1456
WIRE -464 1536 -496 1536
WIRE 48 1536 -16 1536
WIRE 880 1536 880 1344
WIRE 880 1536 48 1536
WIRE 48 1552 48 1536
WIRE -640 1632 -656 1632
WIRE -560 1632 -576 1632
WIRE -464 1632 -480 1632
WIRE 48 1632 48 1616
WIRE 48 1632 -16 1632
WIRE 992 1632 992 1344
WIRE 992 1632 48 1632
WIRE 400 1648 400 464
WIRE -544 1728 -560 1728
WIRE -464 1728 -480 1728
WIRE 352 1728 -16 1728
WIRE -464 1824 -496 1824
WIRE 16 1824 16 544
WIRE 16 1824 -16 1824
WIRE 160 1824 16 1824
WIRE 400 1824 400 1744
WIRE 400 1824 224 1824
WIRE -544 1920 -672 1920
WIRE -464 1920 -544 1920
WIRE 400 1920 400 1824
WIRE 400 1920 -16 1920
WIRE 528 1920 400 1920
WIRE 768 1920 528 1920
WIRE 880 1920 848 1920
WIRE 896 1920 880 1920
WIRE 992 1920 992 1632
WIRE 992 1920 976 1920
WIRE -544 1936 -544 1920
WIRE 400 1936 400 1920
WIRE 528 1968 528 1920
WIRE -768 2016 -800 2016
WIRE -672 2016 -672 1920
WIRE -672 2016 -688 2016
WIRE -656 2016 -672 2016
WIRE -544 2016 -544 2000
WIRE -544 2016 -576 2016
WIRE -464 2016 -544 2016
WIRE 352 2016 -16 2016
WIRE 400 2064 400 2032
WIRE 528 2064 528 2032
WIRE -464 2112 -544 2112
WIRE 48 2112 -16 2112
WIRE 880 2112 880 1920
WIRE 880 2112 48 2112
WIRE 48 2128 48 2112
WIRE -464 2208 -496 2208
WIRE 48 2208 48 2192
WIRE 48 2208 -16 2208
WIRE 992 2208 992 1920
WIRE 992 2208 48 2208
WIRE -240 2256 -240 2240
WIRE -496 2288 -496 2208
WIRE 992 2288 992 2208
WIRE 992 2288 -496 2288
WIRE 1120 2288 992 2288
WIRE 992 2304 992 2288
WIRE 1120 2304 1120 2288
WIRE -544 2384 -544 2112
WIRE 992 2384 992 2368
WIRE 992 2384 -544 2384
WIRE 992 2400 992 2384
WIRE 1120 2400 1120 2384
SYMBOL cap 32 976 R0
SYMATTR InstName C2
SYMATTR Value 1000p
SYMBOL nmos 432 1360 R0
SYMATTR InstName Q4
SYMATTR Value Si4866DY
SYMBOL cap 32 2128 R0
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL res -784 2032 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 6.04K
SYMBOL cap -480 1712 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 100p
SYMBOL PowerProducts\\LTC3731 -240 1392 R0
SYMATTR InstName U1
SYMBOL cap 272 1232 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL nmos 352 1648 R0
SYMATTR InstName Q5
SYMATTR Value Si4866DY
SYMBOL cap -576 1616 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 680p
SYMBOL schottky 608 1456 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMBOL schottky 512 2032 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value 1N5817
SYMBOL cap -560 1936 R0
SYMATTR InstName C8
SYMATTR Value 100p
SYMBOL schottky 0 480 R0
SYMATTR InstName D6
SYMATTR Value 1N5817
SYMBOL RES -560 464 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL schottky 128 480 R0
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMBOL ind 752 784 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1
SYMBOL res 880 1328 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value .003
SYMBOL nmos 528 784 R0
SYMATTR InstName Q2
SYMATTR Value Si4866DY
SYMBOL res -672 2032 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 7.5K
SYMBOL cap 32 1552 R0
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL cap 160 1808 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value .1
SYMBOL nmos 432 1072 R0
SYMATTR InstName Q3
SYMATTR Value Si4866DY
SYMBOL res -464 1616 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5K
SYMBOL schottky 272 480 R0
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMBOL RES 880 752 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value .003
SYMBOL NMOS 528 496 R0
SYMATTR InstName Q1
SYMATTR Value Si4866DY
SYMBOL nmos 352 1936 R0
SYMATTR InstName Q6
SYMATTR Value Si4866DY
SYMBOL cap 320 656 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL VOLTAGE -640 464 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL ind 752 1936 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 1
SYMBOL polcap 976 2304 R0
SYMATTR InstName C7
SYMATTR Value 480
SYMATTR SpiceLine Rser=.01
SYMBOL res 880 1904 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value .003
SYMBOL schottky 704 880 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMBOL res 1104 2288 R0
SYMATTR InstName Rload
SYMATTR Value .1
SYMBOL ind 752 1360 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1
FLAG -656 1632 0
FLAG -240 2256 0
FLAG -640 576 0
FLAG 576 912 0
FLAG 720 912 0
FLAG 480 1488 0
FLAG 624 1488 0
FLAG 400 2064 0
FLAG 528 2064 0
FLAG 992 2400 0
FLAG 1120 2400 0
FLAG -800 2016 0
FLAG 1120 2288 OUT
FLAG -496 1824 0
FLAG -560 1728 0
FLAG -640 464 IN
TEXT 624 2336 Left 2 !.tran 300u startup