* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3705.asc
* Generated by LTspice 26.0.1 for Windows.
XU1 0 N013 N023 N015 N021 N005 N016 N018 0 N012 N009 MP_01 MP_02 N010 N001 N002 LTC3705 ;pnba GND)IS)VSLMT)UVLO)SSFLT)Ndrv)FB/IN+)FS/IN-)PGND)BG)Vcc)))Boost)TG)TS
R1 N018 0 100K
MQ1 IN N005 N009 N009 BSS123
R2 IN N005 100K
R3 IN N015 365K
R4 N015 0 15K
V1 IN 0 50
C1 N009 0 2.2
MQ2 N006 N012 N013 N013 Si4484EY
R5 N013 0 25m
MQ3 IN N001 N002 N002 Si4484EY
L1 N006 N002 500
L2 0 N003 281
C2 N002 N010 .22
D1 N009 N010 1N914
D2 N006 IN MBR20100CT
D3 0 N002 MBR20100CT
D4 N003 N004 1N5817
D5 0 N004 1N5817
C3 OUT 0 75 Rser=0.015
R6 N023 IN 301K
C4 N023 0 270p
C5 N021 0 .001
C6 N016 0 470p
XU2 N017 N014 N016 0 NC_03 MOC205 Igain=2.44m ;pnba A)K)C)E)B
XU3 N014 N019 OUT N022 0 0 N020 N011 LT1431 ;pnba Coll)Comp)V+)Rtop)GND-S)GND-F)Rmid)Ref
C7 N011 N014 {.047/5} Rser=3K Cpar={4.7u/500}
C8 OUT N017 {.018/2.5} Rpar={2K*5}
R7 OUT N011 9.53K
R8 N011 0 2.49K
C9 OUT N011 {4.7n/5} Rser=910
L3 0 N007 281
D6 N007 N008 1N5817
D7 0 N008 1N5817
L4 N009 N008 1m
Rload OUT 0 6
L5 N004 OUT 25
.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
K1 L1 L2 L3 1.
.tran 600u startup
* Library below included based on ModelFile attribute of instance XU3 (C:\users\khalils\AppData\Local\LTspice\lib\sym\References\LT1431.asy)
.lib LT1431.sub
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC3705.asy)
.lib LTC3705.sub
* Library below included based on ModelFile attribute of instance XU2 (C:\users\khalils\AppData\Local\LTspice\lib\sym\Optos\MOC207.asy)
.lib MOC205.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1888 772
WIRE -560 -304 -640 -304
WIRE -192 -304 -560 -304
WIRE -32 -304 -192 -304
WIRE 272 -304 -32 -304
WIRE 448 -304 272 -304
WIRE -640 -288 -640 -304
WIRE 272 -288 272 -304
WIRE 448 -288 448 -304
WIRE -32 -240 -32 -304
WIRE 224 -208 128 -208
WIRE -640 -192 -640 -208
WIRE -192 -176 -192 -304
WIRE 272 -176 272 -192
WIRE 272 -176 208 -176
WIRE 528 -176 272 -176
WIRE 624 -176 576 -176
WIRE 704 -176 688 -176
WIRE 736 -176 704 -176
WIRE 848 -176 816 -176
WIRE 1008 -176 848 -176
WIRE 1120 -176 1008 -176
WIRE 272 -160 272 -176
WIRE 528 -160 528 -176
WIRE 576 -160 576 -176
WIRE 848 -160 848 -176
WIRE 1008 -160 1008 -176
WIRE 704 -144 704 -176
WIRE -32 -96 -32 -160
WIRE -32 -96 -144 -96
WIRE 272 -80 272 -96
WIRE 448 -64 448 -224
WIRE 528 -64 528 -80
WIRE 528 -64 448 -64
WIRE 576 -64 576 -80
WIRE 704 -64 704 -80
WIRE 704 -64 576 -64
WIRE 848 -64 848 -96
WIRE 848 -64 704 -64
WIRE 1008 -64 1008 -80
WIRE 1008 -64 848 -64
WIRE 448 -48 448 -64
WIRE 1008 -48 1008 -64
WIRE -448 0 -512 0
WIRE -352 0 -384 0
WIRE -304 0 -352 0
WIRE -192 0 -192 -80
WIRE -192 0 -224 0
WIRE -144 0 -192 0
WIRE 48 0 -80 0
WIRE 208 0 208 -176
WIRE 208 0 112 0
WIRE -512 16 -512 0
WIRE -352 16 -352 0
WIRE 1120 16 1120 -176
WIRE 1344 16 1120 16
WIRE 1488 16 1408 16
WIRE 400 32 288 32
WIRE 448 48 368 48
WIRE 448 64 448 48
WIRE -32 80 -32 -96
WIRE 48 80 48 0
WIRE 128 80 128 -208
WIRE 208 80 208 0
WIRE 288 80 288 32
WIRE 368 80 368 48
WIRE -352 96 -352 80
WIRE 1120 96 1120 16
WIRE 1200 96 1120 96
WIRE 1488 96 1488 16
WIRE 1488 96 1280 96
WIRE 1504 96 1488 96
WIRE 1600 96 1584 96
WIRE -512 112 -512 96
WIRE 1296 144 1168 144
WIRE 1488 144 1488 96
WIRE 1488 144 1360 144
WIRE -560 160 -560 -304
WIRE -464 160 -560 160
WIRE -288 160 -384 160
WIRE -80 160 -288 160
WIRE 448 160 448 144
WIRE -288 176 -288 160
WIRE 528 192 416 192
WIRE 624 192 528 192
WIRE 896 192 816 192
WIRE 1120 192 1120 96
WIRE 1120 192 960 192
WIRE 528 208 528 192
WIRE 624 256 608 256
WIRE -288 272 -288 256
WIRE -192 272 -192 0
WIRE -80 272 -192 272
WIRE 528 288 528 272
WIRE 1168 288 1168 144
WIRE 1168 288 816 288
WIRE 1200 288 1168 288
WIRE 1488 288 1488 144
WIRE 1488 288 1456 288
WIRE -560 352 -560 160
WIRE -192 352 -192 336
WIRE 464 352 416 352
WIRE 1200 352 1168 352
WIRE 1488 352 1456 352
WIRE 464 368 464 352
WIRE -80 384 -160 384
WIRE -160 400 -160 384
WIRE 1120 416 1120 192
WIRE 1200 416 1120 416
WIRE 1488 416 1456 416
WIRE 464 464 464 448
WIRE 176 480 176 464
WIRE 320 480 320 464
WIRE 1200 480 1168 480
WIRE 1488 480 1456 480
WIRE -560 512 -560 432
WIRE 32 512 32 464
WIRE 32 512 -560 512
WIRE 32 592 32 576
FLAG 320 480 0
FLAG 176 480 0
FLAG 464 464 0
FLAG -288 272 0
FLAG -640 -192 0
FLAG -192 352 0
FLAG 448 160 0
FLAG 272 -80 0
FLAG 1008 -48 0
FLAG 528 288 0
FLAG 32 592 0
FLAG -160 464 0
FLAG 608 256 0
FLAG 1488 480 0
FLAG 1488 416 0
FLAG 1600 96 0
FLAG 1008 -176 OUT
FLAG -512 112 0
FLAG -352 96 0
FLAG -640 -304 IN
SYMBOL PowerProducts\\LTC3705 176 272 R0
SYMATTR InstName U1
SYMBOL res 448 352 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL nmos -144 -176 M0
WINDOW 0 35 -11 Right 2
WINDOW 3 37 100 Right 2
SYMATTR InstName Q1
SYMATTR Value BSS123
SYMBOL res -48 -256 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res -480 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 365K
SYMBOL res -304 160 R0
WINDOW 3 33 79 Left 2
SYMATTR Value 15K
SYMATTR InstName R4
SYMBOL voltage -640 -304 R0
SYMATTR InstName V1
SYMATTR Value 50
SYMBOL cap -208 272 R0
WINDOW 0 31 20 Left 2
SYMATTR InstName C1
SYMATTR Value 2.2
SYMBOL nmos 400 -48 R0
SYMATTR InstName Q2
SYMATTR Value Si4484EY
SYMBOL res 432 48 R0
SYMATTR InstName R5
SYMATTR Value 25m
SYMBOL nmos 224 -288 R0
SYMATTR InstName Q3
SYMATTR Value Si4484EY
SYMBOL ind2 512 -64 M180
WINDOW 0 2 68 Right 2
WINDOW 3 3 43 Right 2
SYMATTR InstName L1
SYMATTR Value 500
SYMATTR Type ind
SYMBOL ind2 592 -64 R180
WINDOW 0 0 69 Right 2
WINDOW 3 0 41 Right 2
SYMATTR InstName L2
SYMATTR Value 281
SYMATTR Type ind
SYMBOL cap 112 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .22
SYMBOL diode -144 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL schottky 432 -224 M180
WINDOW 0 23 66 Left 2
WINDOW 3 23 4 Left 2
SYMATTR InstName D2
SYMATTR Value MBR20100CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 256 -96 M180
WINDOW 0 23 66 Left 2
WINDOW 3 23 2 Left 2
SYMATTR InstName D3
SYMATTR Value MBR20100CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 624 -160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 688 -80 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 832 -160 R0
WINDOW 3 40 35 Left 2
WINDOW 39 22 63 Left 2
SYMATTR Value 75
SYMATTR SpiceLine Rser=0.015
SYMATTR InstName C3
SYMBOL res -576 448 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 301K
SYMBOL cap 16 512 R0
WINDOW 0 24 14 Left 2
WINDOW 3 25 58 Left 2
SYMATTR InstName C4
SYMATTR Value 270p
SYMBOL cap -176 400 R0
WINDOW 0 24 14 Left 2
WINDOW 3 25 50 Left 2
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL cap 512 208 R0
SYMATTR InstName C6
SYMATTR Value 470p
SYMBOL optos\\MOC207 720 256 M0
SYMATTR InstName U2
SYMBOL LT1431 1328 384 R0
WINDOW 0 0 -65 Center 2
SYMATTR InstName U3
SYMBOL cap 1360 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 123 60 32 VTop 2
WINDOW 39 88 32 VTop 2
SYMATTR InstName C7
SYMATTR Value {.047/5}
SYMATTR Value2 Rser=3K
SYMATTR SpiceLine Cpar={4.7u/500}
SYMBOL cap 960 176 R90
WINDOW 0 -3 33 VBottom 2
WINDOW 3 33 31 VTop 2
WINDOW 39 61 32 VTop 2
SYMATTR InstName C8
SYMATTR Value {.018/2.5}
SYMATTR SpiceLine Rpar={2K*5}
SYMBOL res 1184 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 9.53K
SYMBOL res 1488 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 2.49K
SYMBOL cap 1344 32 R270
WINDOW 123 -24 29 VBottom 2
WINDOW 0 34 34 VTop 2
WINDOW 3 -1 33 VBottom 2
SYMATTR Value2 Rser=910
SYMATTR InstName C9
SYMATTR Value {4.7n/5}
SYMBOL ind2 -496 112 R180
WINDOW 0 0 69 Right 2
WINDOW 3 0 41 Right 2
SYMATTR InstName L3
SYMATTR Value 281
SYMATTR Type ind
SYMBOL schottky -448 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -368 80 M180
WINDOW 0 35 55 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind -208 16 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 1m
SYMBOL res 992 -176 R0
SYMATTR InstName Rload
SYMATTR Value 6
SYMBOL ind2 720 -160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 25
SYMATTR Type ind
TEXT 544 -176 Bottom 2 !K1 L1 L2 L3 1.
TEXT 656 424 Left 2 !.tran 600u startup