* Z:\home\khalils\Downloads\files\data\raw_asc\fra_eg3_LTC3869.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\LTC3869.asy)
@1 OUT1 N011 delay=250u fstart=4k fend=128k oct=3 fcoarse=8k nmax=1 2 40k 2 41k 1 pp0=200m pp1=50m f0=12k f1=48k tavgmin=100u tsettle=100u
@2 OUT2 P001 delay=250u fstart=8k fend=256k oct=3 fcoarse=16k nmax=1 2 63k 2 64k 1 pp0=200m pp1=50m f0=22k f1=88k tavgmin=100u tsettle=100u
C6 ss1 0 .001n
V1 IN 0 10
Rload1 OUT1 0 1
R4 P001 N013 90.9K
R6 N009 N003 2.2K
MQ4 N006 N008 0 0 FDS6680A
R2 N011 N012 147K
L2 N006 OUT2 2.2 Rser=10m Rpar=2K
Rload2 OUT2 0 .66
R7 N006 N010 2.2K
C7 N006 N005 .1
C8 N010 OUT2 .1
C2 IntVcc 0 4.7
XU1 ss1 N009 OUT1 N012 N017 NC_01 N014 Ith1 0 N015 Ith2 N013 OUT2 N010 ss2 N002 N006 N005 N008 0 IntVcc IntVcc N007 IN N004 N003 N001 N016 NC_02 LTC3869 ;pnba TK/SS1)Sense1+)Sense1-)FB1)Freq)Mode/PLLIN)Run1)Ith1)SGND)Run2)Ith2)FB2)Sense2-)Sense2+)TK/SS2)TG2)SW2)Boost2)BG2)PGND)IntVcc)Ilim)BG1)Vin)Boost1)SW1)TG1)Pgood)ExtVcc
MQ1 IN N001 N003 N003 FDS6680A
C3 N009 OUT1 .1
R1 N012 0 20K
C9 OUT2 0 56
D2 IntVcc N005 1N5817
C1 N003 N004 .1
L1 N003 OUT1 3.2 Rser=10m Rpar=2K
MQ3 IN N002 N006 N006 FDS6680A
R5 OUT1 N016 20K
C11 ss2 0 .001n
D1 IntVcc N004 1N5817
C4 OUT1 0 47
C5 Ith1 0 470p Rser=15K
MQ2 N003 N007 0 0 FDS6680A
R8 N017 0 122K
R3 N013 0 20K
C10 Ith2 0 470p Rser=15K
.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
.ic V(ith1)=1.5 V(ith2)=1.5 V(IntVcc)=5
.fra startup
.options trtol=4
.lib LTC3869.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1508 1924
WIRE -736 416 -864 416
WIRE -384 416 -736 416
WIRE 176 416 -384 416
WIRE -864 448 -864 416
WIRE -528 448 -576 448
WIRE -288 448 -528 448
WIRE -224 448 -288 448
WIRE -96 448 -224 448
WIRE 32 448 -96 448
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WIRE 32 480 32 448
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WIRE 128 576 -16 576
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WIRE 32 672 32 544
WIRE 32 672 -16 672
WIRE 64 672 32 672
WIRE 176 672 176 592
WIRE 176 672 128 672
WIRE -880 768 -896 768
WIRE -768 768 -800 768
WIRE -736 768 -736 672
WIRE -736 768 -768 768
WIRE -464 768 -736 768
WIRE 176 768 176 672
WIRE 176 768 -16 768
WIRE 224 768 176 768
WIRE 240 768 224 768
WIRE 336 768 320 768
WIRE -736 784 -736 768
WIRE 176 784 176 768
WIRE -464 864 -688 864
WIRE 128 864 -16 864
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WIRE 336 1056 32 1056
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WIRE -864 1152 -896 1152
WIRE -784 1152 -800 1152
WIRE -688 1152 -704 1152
WIRE -464 1152 -688 1152
WIRE 160 1152 -16 1152
WIRE 192 1152 160 1152
WIRE 336 1152 336 1056
WIRE 432 1152 336 1152
WIRE -1056 1168 -1056 1152
WIRE -896 1168 -896 1152
WIRE 336 1168 336 1152
WIRE 432 1168 432 1152
WIRE -688 1184 -688 1152
WIRE 160 1184 160 1152
WIRE -576 1248 -592 1248
WIRE -496 1248 -512 1248
WIRE -464 1248 -496 1248
WIRE 16 1248 -16 1248
WIRE 32 1248 16 1248
WIRE 112 1248 96 1248
WIRE -1056 1264 -1056 1248
WIRE -896 1264 -896 1232
WIRE 336 1264 336 1232
WIRE 432 1264 432 1248
WIRE -688 1280 -688 1264
WIRE 160 1280 160 1264
WIRE -656 1344 -672 1344
WIRE -496 1344 -592 1344
WIRE -464 1344 -496 1344
WIRE 16 1344 -16 1344
WIRE 96 1344 16 1344
WIRE 176 1344 160 1344
WIRE -464 1440 -480 1440
WIRE 0 1440 -16 1440
WIRE -944 1536 -944 1152
WIRE -624 1536 -944 1536
WIRE -464 1536 -544 1536
WIRE 0 1536 -16 1536
WIRE 96 1536 80 1536
WIRE -384 1632 -384 1616
WIRE -96 1632 -96 1616
SYMBOL cap 96 1328 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value .001n
SYMBOL ind -784 784 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.2
SYMATTR SpiceLine Rser=10m Rpar=2K
SYMBOL cap 16 976 R0
SYMATTR InstName C8
SYMATTR Value .1
SYMBOL NMOS -688 496 M0
WINDOW 0 26 -7 Right 2
WINDOW 3 35 104 Right 2
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL schottky -592 592 R0
WINDOW 3 31 61 Left 2
WINDOW 0 34 16 Left 2
SYMATTR Value 1N5817
SYMATTR InstName D1
SYMBOL ind 224 784 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=10m Rpar=2K
SYMBOL cap 32 1232 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 470p
SYMATTR SpiceLine Rser=15K
SYMBOL res 288 1168 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 90.9K
SYMBOL nmos -688 784 M0
WINDOW 0 -9 30 Right 2
WINDOW 3 14 105 Right 2
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL res 192 944 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 2.2K
SYMBOL RES -1072 1152 R0
SYMATTR InstName Rload1
SYMATTR Value 1
SYMBOL nmos 128 496 R0
SYMATTR InstName Q3
SYMATTR Value FDS6680A
SYMBOL res 416 1152 R0
SYMATTR InstName Rload2
SYMATTR Value .66
SYMBOL cap -912 1168 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMBOL res -576 944 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 2.2K
SYMBOL fra -800 1152 M90
WINDOW 0 -16 -32 VBottom 2
SYMATTR InstName @1
SYMATTR SpiceLine delay=250u fstart=4k fend=128k oct=3 fcoarse=8k nmax=1 2 40k 2 41k 1 pp0=200m pp1=50m f0=12k f1=48k tavgmin=100u tsettle=100u
SYMBOL schottky 16 480 R0
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMBOL cap -688 656 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL res -16 1552 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 122K
SYMBOL res 144 1168 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL cap -592 1328 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .001n
SYMBOL cap -512 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 470p
SYMATTR SpiceLine Rser=15K
SYMBOL RES -640 1552 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL PowerProducts\\LTC3869 -240 1056 R0
SYMATTR InstName U1
SYMBOL VOLTAGE -864 432 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 128 656 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL res -800 1168 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 147K
SYMBOL cap -560 976 R0
WINDOW 3 26 58 Left 2
SYMATTR Value .1
SYMATTR InstName C3
SYMBOL nmos 128 784 R0
WINDOW 3 26 101 Right 2
WINDOW 0 54 31 Left 2
SYMATTR Value FDS6680A
SYMATTR InstName Q4
SYMBOL cap 320 1168 R0
SYMATTR InstName C9
SYMATTR Value 56
SYMBOL cap -544 464 R0
SYMATTR InstName C2
SYMATTR Value 4.7
SYMBOL res -704 1168 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL fra 272 1152 M270
WINDOW 0 16 -32 VTop 2
SYMATTR InstName @2
SYMATTR SpiceLine delay=250u fstart=8k fend=256k oct=3 fcoarse=16k nmax=1 2 63k 2 64k 1 pp0=200m pp1=50m f0=22k f1=88k tavgmin=100u tsettle=100u
FLAG -96 1632 0
FLAG -528 544 0
FLAG -736 896 0
FLAG -672 1344 0
FLAG -592 1248 0
FLAG -896 1264 0
FLAG -688 1280 0
FLAG -1056 1152 OUT1
FLAG -864 544 0
FLAG 176 896 0
FLAG 336 1264 0
FLAG 160 1280 0
FLAG 432 1152 OUT2
FLAG -1056 1264 0
FLAG 432 1264 0
FLAG -384 1632 0
FLAG 96 1536 0
FLAG -864 416 IN
FLAG 176 1344 0
FLAG 112 1248 0
FLAG -496 1248 Ith1
FLAG 16 1248 Ith2
FLAG -496 1344 ss1
FLAG 16 1344 ss2
FLAG -224 448 IntVcc
TEXT -984 1600 Left 2 !.ic V(ith1)=1.5 V(ith2)=1.5 V(IntVcc)=5
TEXT -984 1624 Left 2 !.fra startup
TEXT -984 1576 Left 2 !.options trtol=4