* Z:\home\khalils\Downloads\files\data\raw_asc\LT4220.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\LT4220.asy)
R2 N001 IN+ 5m
R16 OUT+ 0 10
R6 N005 0 4.99K
C4 N005 0 10n
XU1 N013 IN- N015 N012 N011 N010 N004 N009 0 N008 N007 N005 N006 N003 N001 IN+ LT4220 ;pnba VEE)SENSEK)SENSE-)GATE-)FB-)ON-)TRACK)TIMER)GND)PWRGD)_FAULT)ON+)FB+)GATE+)SENSE+)Vcc
R4 IN+ N007 20K
R7 0 N010 4.99K
R5 IN+ N005 36.5K
MQ2 OUT- N014 N015 N015 SUM85N03-06P
R3 N002 N003 10
C7 N012 N015 100n
R9 N013 IN- 1
C6 OUT- N012 10n Rser=1K
C3 N009 0 1
MQ1 N001 N002 OUT+ OUT+ SUM85N03-06P
R18 N012 N014 10
V1 IN+ 0 PULSE(0 12 0 20u 1u 200m 250m)
C9 0 OUT- 33 Rser=25m
C8 OUT+ 0 33 Rser=25m
C1 0 N003 10n Rser=1K
R14 N006 0 4.99K
V2 0 IN- PULSE(0 12 0 20u 1u 200m 250m)
C5 N013 0 0.1
I2 0 OUT- PWL(0 0 60m 0 120m 10 200m 10 260m 0) load
R12 OUT+ N006 36.5K
R13 N011 OUT- 36.5K
R15 0 N011 4.99K
R1 IN+ N004 100K
R17 0 OUT- 10
I1 OUT+ 0 PWL(0 0 60m 0 120m 10 200m 10 260m 0) load
C2 0 N010 10n
R11 OUT+ N008 20K
R8 N010 IN- 36.5K
R10 N015 IN- 5m
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 400m startup
.lib LT4220.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
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SYMBOL voltage -3728 -1520 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 12 0 20u 1u 200m 250m)
SYMBOL res -3040 -1440 R0
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL cap -2288 -1360 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 82 26 VBottom 2
SYMATTR InstName C1
SYMATTR Value 10n
SYMATTR SpiceLine Rser=1K
SYMBOL voltage -3744 -672 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 12 0 20u 1u 200m 250m)
SYMBOL cap -1904 -672 R0
WINDOW 3 44 35 Left 2
WINDOW 39 29 67 Left 2
SYMATTR Value 33
SYMATTR SpiceLine Rser=25m
SYMATTR InstName C9
SYMBOL cap -2288 -800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 82 26 VBottom 2
SYMATTR InstName C6
SYMATTR Value 10n
SYMATTR SpiceLine Rser=1K
SYMBOL res -2032 -1312 R0
SYMATTR InstName R12
SYMATTR Value 36.5K
SYMBOL res -3296 -928 R0
SYMATTR InstName R7
SYMATTR Value 4.99K
SYMBOL cap -3168 -1200 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL cap -2512 -704 R0
SYMATTR InstName C7
SYMATTR Value 100n
SYMBOL res -2864 -1440 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res -2432 -752 R0
SYMATTR InstName R18
SYMATTR Value 10
SYMBOL res -3296 -1344 R0
SYMATTR InstName R5
SYMATTR Value 36.5K
SYMBOL res -2576 -576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 5m
SYMBOL res -1760 -1504 R0
SYMATTR InstName R16
SYMATTR Value 10
SYMBOL res -2032 -1200 R0
SYMATTR InstName R14
SYMATTR Value 4.99K
SYMBOL res -3296 -1216 R0
SYMATTR InstName R6
SYMATTR Value 4.99K
SYMBOL nmos -2496 -1472 R270
WINDOW 0 88 44 VTop 2
WINDOW 3 54 43 VTop 2
SYMATTR InstName Q1
SYMATTR Value SUM85N03-06P
SYMBOL current -1600 -672 R0
WINDOW 123 21 85 Left 2
WINDOW 3 36 48 Left 2
SYMATTR Value2 load
SYMATTR Value PWL(0 0 60m 0 120m 10 200m 10 260m 0)
SYMATTR InstName I2
SYMBOL res -2032 -800 R0
SYMATTR InstName R13
SYMATTR Value 36.5K
SYMBOL res -1728 -688 R0
SYMATTR InstName R17
SYMATTR Value 10
SYMBOL res -2032 -912 R0
SYMATTR InstName R15
SYMATTR Value 4.99K
SYMBOL res -3296 -816 R0
SYMATTR InstName R8
SYMATTR Value 36.5K
SYMBOL nmos -2336 -608 R90
WINDOW 0 -15 55 VLeft 2
WINDOW 3 58 26 VTop 2
SYMATTR InstName Q2
SYMATTR Value SUM85N03-06P
SYMBOL res -2576 -1536 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5m
SYMBOL cap -3168 -896 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL LT4220 -2640 -1072 R0
SYMATTR InstName U1
SYMBOL cap -2896 -784 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 0.1
SYMBOL res -2160 -1344 R0
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SYMATTR Value 20K
SYMBOL res -2432 -1472 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL current -1600 -1488 R0
WINDOW 123 19 84 Left 2
WINDOW 3 37 46 Left 2
SYMATTR Value2 load
SYMATTR Value PWL(0 0 60m 0 120m 10 200m 10 260m 0)
SYMATTR InstName I1
SYMBOL cap -1904 -1472 R0
WINDOW 3 44 35 Left 2
WINDOW 39 29 67 Left 2
SYMATTR Value 33
SYMATTR SpiceLine Rser=25m
SYMATTR InstName C8
SYMBOL res -2864 -720 R0
SYMATTR InstName R9
SYMATTR Value 1
SYMBOL cap -2992 -1024 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1
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FLAG -1600 -560 OUT-
FLAG -3280 -1520 IN+
FLAG -3280 -560 IN-
FLAG -3152 -1104 0
FLAG -3280 -1104 0
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FLAG -1888 -704 0
FLAG -2016 -1088 0
FLAG -2016 -912 0
TEXT -2040 -512 Left 2 !.tran 400m startup