* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3727LX-1.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\LTC3727LX-1.asy)
MQ2 N005 N011 0 0 FDS6680A
R8 N009 OUT1 .015
MQ1 IN N003 N005 N005 FDS6680A
XU1 N017 N009 OUT1 N013 N021 N022 N001 N015 0 N019 N016 N014 OUT2 N010 N018 N004 N008 N007 N012 0 N001 N002 N011 IN N006 N005 N003 N020 LTC3727A-1 ;pnba Run/SS1)Sense1+)Sense1-)Vosense1)PLLFLTR)PLLIN)FCB)Ith1)SGND)3.3Vout)Ith2)Vosense2)Sense2-)Sense2+)Run/SS2)TG2)SW2)Boost2)BG2)PGND)INTVcc)EXTVcc)BG1)Vin)Boost1)SW1)TG1)Pgood
R9 IN N020 10K
D2 0 N008 MBRS140
R5 N014 0 20K
V2 N022 0 SINE(.8 .8 300K)
C12 0 N021 .01 Rser=10K
C11 N018 0 .0001
D3 N001 N006 MBRS140
C7 N007 N008 .1
C10 0 N016 220p Rser=15K
R2 N013 OUT1 105K
MQ3 IN N004 N008 N008 FDS6680A
Rload1 OUT1 0 1
R4 N010 OUT2 .015
D1 0 N005 MBRS140
C4 OUT1 0 56 Rser=0.05
C6 N017 0 .0001
C5 N015 0 220p Rser=15K
R1 N013 0 20K
C3 N009 OUT1 1000p
L1 N005 N009 8 Rpar=2K
C2 N001 0 4.7
C8 N010 OUT2 1000p
C9 OUT2 0 56 Rser=0.065
Rload2 OUT2 0 2.4
D4 N001 N007 MBRS140
V1 IN 0 18
C1 N006 N005 .1
R6 N014 OUT2 280K
L2 N008 N010 15 Rpar=2K
MQ4 N008 N012 0 0 FDS6680A
.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 800u startup
.lib LTC3727A-1.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2076 1780
WIRE -1056 400 -1216 400
WIRE -784 400 -1056 400
WIRE -384 400 -784 400
WIRE 208 400 -384 400
WIRE -1056 416 -1056 400
WIRE -576 416 -640 416
WIRE -496 416 -576 416
WIRE -240 416 -496 416
WIRE 32 416 -240 416
WIRE -576 432 -576 416
WIRE -640 480 -640 416
WIRE 32 480 32 416
WIRE -784 496 -784 400
WIRE -384 496 -384 400
WIRE -240 496 -240 416
WIRE -96 496 -96 480
WIRE 208 496 208 400
WIRE -1056 512 -1056 496
WIRE -576 512 -576 496
WIRE -464 576 -736 576
WIRE 160 576 -16 576
WIRE -1216 656 -1216 400
WIRE -784 672 -784 592
WIRE -720 672 -784 672
WIRE -640 672 -640 544
WIRE -640 672 -656 672
WIRE -464 672 -640 672
WIRE 32 672 32 544
WIRE 32 672 -16 672
WIRE 96 672 32 672
WIRE 208 672 208 592
WIRE 208 672 160 672
WIRE -1024 768 -1040 768
WIRE -928 768 -944 768
WIRE -784 768 -784 672
WIRE -784 768 -928 768
WIRE -464 768 -784 768
WIRE 208 768 208 672
WIRE 208 768 -16 768
WIRE 352 768 208 768
WIRE 384 768 352 768
WIRE 480 768 464 768
WIRE -784 784 -784 768
WIRE 208 784 208 768
WIRE -928 816 -928 768
WIRE 352 816 352 768
WIRE -464 864 -736 864
WIRE 160 864 -16 864
WIRE 208 896 208 880
WIRE 352 896 352 880
WIRE -928 912 -928 880
WIRE -784 912 -784 880
WIRE -1040 960 -1040 768
WIRE -640 960 -1040 960
WIRE -464 960 -640 960
WIRE 32 960 -16 960
WIRE 480 960 480 768
WIRE 480 960 32 960
WIRE -640 976 -640 960
WIRE 32 976 32 960
WIRE -1040 1056 -1040 1040
WIRE -640 1056 -640 1040
WIRE -640 1056 -1040 1056
WIRE -464 1056 -640 1056
WIRE 32 1056 32 1040
WIRE 32 1056 -16 1056
WIRE 480 1056 480 1040
WIRE 480 1056 32 1056
WIRE -1040 1152 -1040 1056
WIRE -1040 1152 -1168 1152
WIRE -976 1152 -1040 1152
WIRE -816 1152 -896 1152
WIRE -464 1152 -816 1152
WIRE 272 1152 -16 1152
WIRE 352 1152 272 1152
WIRE 480 1152 480 1056
WIRE 480 1152 432 1152
WIRE 608 1152 480 1152
WIRE -1168 1168 -1168 1152
WIRE -1040 1168 -1040 1152
WIRE -816 1168 -816 1152
WIRE 272 1168 272 1152
WIRE 480 1168 480 1152
WIRE 608 1168 608 1152
WIRE -592 1248 -656 1248
WIRE -464 1248 -528 1248
WIRE 16 1248 -16 1248
WIRE 128 1248 80 1248
WIRE -1168 1264 -1168 1248
WIRE -1040 1264 -1040 1232
WIRE -816 1264 -816 1248
WIRE 272 1264 272 1248
WIRE 480 1264 480 1232
WIRE 608 1264 608 1248
WIRE -672 1344 -688 1344
WIRE -464 1344 -608 1344
WIRE 112 1344 -16 1344
WIRE 208 1344 176 1344
WIRE -496 1440 -496 416
WIRE -464 1440 -496 1440
WIRE 16 1440 -16 1440
WIRE -1216 1552 -1216 736
WIRE -464 1552 -1216 1552
WIRE 16 1552 -16 1552
WIRE 128 1552 80 1552
WIRE -384 1664 -384 1632
WIRE -240 1664 -240 1632
WIRE -96 1664 -96 1632
WIRE -240 1760 -240 1744
SYMBOL schottky -944 880 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMBOL res 592 1152 R0
SYMATTR InstName Rload2
SYMATTR Value 2.4
SYMBOL nmos 160 496 R0
SYMATTR InstName Q3
SYMATTR Value FDS6680A
SYMBOL cap 112 1360 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C11
SYMATTR Value .0001
SYMBOL cap -592 432 R0
WINDOW 3 23 55 Left 2
SYMATTR Value 4.7
SYMATTR InstName C2
SYMBOL res 464 944 R0
SYMATTR InstName R4
SYMATTR Value .015
SYMBOL schottky -656 480 R0
SYMATTR InstName D3
SYMATTR Value MBRS140
SYMBOL cap -656 656 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL schottky 16 480 R0
SYMATTR InstName D4
SYMATTR Value MBRS140
SYMBOL nmos 160 784 R0
SYMATTR InstName Q4
SYMATTR Value FDS6680A
SYMBOL ind -928 784 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 8
SYMATTR SpiceLine Rpar=2K
SYMBOL polcap 464 1168 R0
SYMATTR SpiceLine Rser=0.065
SYMATTR InstName C9
SYMATTR Value 56
SYMBOL nmos -736 784 M0
WINDOW 0 -3 30 Right 2
WINDOW 3 22 101 Right 2
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL cap 80 1536 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C12
SYMATTR Value .01
SYMATTR SpiceLine Rser=10K
SYMBOL cap -656 976 R0
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL res 256 1152 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL schottky 336 880 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MBRS140
SYMBOL cap 96 656 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL res 336 1136 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 280K
SYMBOL res -1056 944 R0
WINDOW 0 39 44 Left 2
SYMATTR InstName R8
SYMATTR Value .015
SYMBOL ind 368 784 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 15
SYMATTR SpiceLine Rpar=2K
SYMBOL cap -608 1328 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .0001
SYMBOL cap -528 1232 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 220p
SYMATTR SpiceLine Rser=15K
SYMBOL PowerProducts\\LTC3727LX-1 -240 960 R0
SYMATTR InstName U1
SYMBOL res -832 1152 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL cap 16 976 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL res -880 1136 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL NMOS -736 496 M0
WINDOW 0 32 -11 Right 2
WINDOW 3 38 108 Right 2
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL polcap -1056 1168 R0
SYMATTR SpiceLine Rser=0.05
SYMATTR InstName C4
SYMATTR Value 56
SYMBOL voltage -240 1648 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(.8 .8 300K)
SYMBOL RES -1184 1152 R0
SYMATTR InstName Rload1
SYMATTR Value 1
SYMBOL RES -1232 640 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL cap 80 1232 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 220p
SYMATTR SpiceLine Rser=15K
SYMBOL VOLTAGE -1056 400 R0
SYMATTR InstName V1
SYMATTR Value 18
FLAG -384 1664 0
FLAG -96 1664 0
FLAG -576 512 0
FLAG -784 912 0
FLAG -928 912 0
FLAG -688 1344 0
FLAG -656 1248 0
FLAG -1040 1264 0
FLAG -816 1264 0
FLAG -1168 1152 OUT1
FLAG -1056 512 0
FLAG 208 896 0
FLAG 352 896 0
FLAG 208 1344 0
FLAG 128 1248 0
FLAG 480 1264 0
FLAG 272 1264 0
FLAG 608 1152 OUT2
FLAG -1168 1264 0
FLAG 608 1264 0
FLAG 128 1552 0
FLAG -240 1760 0
FLAG -1056 400 IN
TEXT 320 1392 Left 2 !.tran 800u startup