* Z:\home\khalils\Downloads\files\data\raw_asc\LT8603.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\LT8603.asy)
C2 N013 0 .001
C1 N010 0 4.7
L4 N004 OUT1 2.2 Rser=10m
C6 OUT3 N011 16p
C4 OUT4 0 4.7 x2 Rser=5m
C8 OUT2 N008 15p
M1 N015 N014 0 0 RSS065N06
L3 N007 OUT2 1.5 Rser=10m
L2 N009 OUT3 2.2 Rser=50m
C15 N016 0 .001
R4 OUT4 N001 1.8Meg
C12 OUT1 0 22 Rser=10m
R10 N001 0 1.2Meg
L5 N012 N015 2.2 Rser=10m
R8 OUT2 N008 230K
C11 OUT1 N005 10p
C5 OUT4 0 100 Rser=30m
R6 N011 0 100K
R2 OUT4 N017 900K
Rload1 OUT1 0 3.3
Rload3 OUT3 0 .8
C7 OUT3 0 47 Rser=5m
XU1 NC_01 0 N004 N002 N006 N007 MP_02 MP_03 OUT2 NC_04 NC_05 N003 MP_06 OUT4 N014 N010 0 N012 IN N016 N013 N001 OUT4 N017 N008 N005 N011 N003 N018 N003 0 NC_07 0 OUT2 MP_08 N009 OUT4 MP_09 N003 NC_10 LT8603 ;pnba PG1)GND)SW1)BST1)BST2)SW2)))Bias)PG2)PG4)FSEL4A))PVin2)Gate4)INTVcc4)FSEL4B)ISN4)ISP4)TRKSS2)TRKSS1)EN/UVLO)Vin)FB4)FB2)FB1)FB3)INTVcc)Rt)Run3)CPOR)_RST)SYNC)PVin3))SW3)PVin1))POREN)PG3
C9 OUT2 0 47 Rser=5m
C10 N006 N007 .1
D1 N015 OUT4 MBRS360
R9 N008 0 100K
Rload2 OUT2 0 1.32
V1 IN 0 PWL(0 0 100u 12 2m 5)
R5 OUT3 N011 40.1K
R7 IN N012 4m
R11 OUT1 N005 399K
R1 N018 0 30.1K
C13 N002 N004 .1
C3 N003 0 4.7
R3 N017 0 100K
R12 N005 0 100K
.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 2.5m startup
.lib LT8603.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1616 1072
WIRE 96 -400 -256 -400
WIRE 192 -400 96 -400
WIRE 288 -400 192 -400
WIRE 1168 -400 288 -400
WIRE -256 -384 -256 -400
WIRE 640 -368 384 -368
WIRE 96 -352 96 -400
WIRE 192 -352 192 -400
WIRE 288 -352 288 -400
WIRE 384 -352 384 -368
WIRE -256 -288 -256 -304
WIRE 0 -288 -256 -288
WIRE 496 -288 464 -288
WIRE -256 -272 -256 -288
WIRE 496 -272 496 -288
WIRE 0 -192 -128 -192
WIRE 496 -192 496 -208
WIRE 496 -192 464 -192
WIRE 544 -192 496 -192
WIRE 672 -192 624 -192
WIRE 752 -192 672 -192
WIRE 912 -192 752 -192
WIRE 1008 -192 912 -192
WIRE -256 -176 -256 -192
WIRE 672 -176 672 -192
WIRE 912 -176 912 -192
WIRE 1008 -176 1008 -192
WIRE 672 -96 672 -112
WIRE 672 -96 464 -96
WIRE 752 -96 752 -112
WIRE 752 -96 672 -96
WIRE 752 -80 752 -96
WIRE 912 -80 912 -112
WIRE 1008 -80 1008 -96
WIRE 496 0 464 0
WIRE 496 16 496 0
WIRE 752 16 752 0
WIRE 496 96 496 80
WIRE 496 96 464 96
WIRE 544 96 496 96
WIRE 640 96 640 -368
WIRE 640 96 624 96
WIRE 672 96 640 96
WIRE 752 96 672 96
WIRE 912 96 752 96
WIRE 1008 96 912 96
WIRE 672 112 672 96
WIRE 912 112 912 96
WIRE 1008 112 1008 96
WIRE 672 192 672 176
WIRE 672 192 464 192
WIRE 752 192 752 176
WIRE 752 192 672 192
WIRE 912 192 912 176
WIRE 752 208 752 192
WIRE 1008 208 1008 192
WIRE 640 288 640 96
WIRE 640 288 464 288
WIRE 752 304 752 288
WIRE -208 384 -224 384
WIRE -128 384 -128 -192
WIRE -128 384 -144 384
WIRE 0 384 -128 384
WIRE 528 384 464 384
WIRE 656 384 608 384
WIRE 752 384 656 384
WIRE 912 384 752 384
WIRE 1008 384 912 384
WIRE 656 400 656 384
WIRE 912 400 912 384
WIRE 1008 400 1008 384
WIRE -80 480 -96 480
WIRE 0 480 -16 480
WIRE 656 480 656 464
WIRE 656 480 464 480
WIRE 752 480 752 464
WIRE 752 480 656 480
WIRE 752 496 752 480
WIRE 912 496 912 464
WIRE 1008 496 1008 480
WIRE -128 576 -128 384
WIRE 0 576 -128 576
WIRE 608 576 464 576
WIRE 688 576 608 576
WIRE 608 592 608 576
WIRE 752 592 752 576
WIRE 688 624 688 576
WIRE 1264 624 688 624
WIRE 1264 640 1264 624
WIRE 0 672 -16 672
WIRE 608 672 464 672
WIRE 608 688 608 672
WIRE 1264 736 1264 720
WIRE -80 768 -96 768
WIRE 0 768 -16 768
WIRE 512 768 464 768
WIRE 608 784 608 768
WIRE 736 784 608 784
WIRE 864 784 800 784
WIRE 976 784 864 784
WIRE 1056 784 976 784
WIRE 1168 784 1168 -400
WIRE 1168 784 1056 784
WIRE 608 800 608 784
WIRE 864 800 864 784
WIRE 976 800 976 784
WIRE 1056 800 1056 784
WIRE -80 864 -96 864
WIRE 0 864 -16 864
WIRE 480 864 464 864
WIRE 512 880 512 768
WIRE 560 880 512 880
WIRE 976 880 976 864
WIRE 1056 880 1056 864
WIRE 864 896 864 880
WIRE 864 896 800 896
WIRE 608 912 608 896
WIRE 864 912 864 896
WIRE -128 944 -128 576
WIRE 80 944 80 928
WIRE 80 944 -128 944
WIRE 160 944 160 928
WIRE 240 944 240 928
WIRE 320 944 320 928
WIRE 400 944 400 928
WIRE 480 944 480 864
WIRE 800 944 800 896
WIRE 800 944 480 944
WIRE 864 1008 864 992
WIRE 160 1040 160 1024
SYMBOL ind 592 672 R0
SYMATTR InstName L5
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=10m
SYMBOL ind 512 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=50m
SYMBOL cap 1040 800 R0
WINDOW 123 29 62 Left 2
WINDOW 3 38 39 Left 2
SYMATTR Value2 x2
SYMATTR InstName C4
SYMATTR Value 4.7
SYMATTR SpiceLine Rser=5m
SYMBOL cap 640 400 R0
SYMATTR InstName C6
SYMATTR Value 16p
SYMBOL res 992 -192 R0
SYMATTR InstName Rload1
SYMATTR Value 3.3
SYMBOL res 736 -96 R0
SYMATTR InstName R12
SYMATTR Value 100K
SYMBOL cap -144 368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL ind 528 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=10m
SYMBOL res 848 896 R0
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL NMOS 560 800 R0
SYMATTR InstName M1
SYMATTR Value RSS065N06
SYMBOL cap 896 -176 R0
SYMATTR InstName C12
SYMATTR Value 22
SYMATTR SpiceLine Rser=10m
SYMBOL cap 656 112 R0
SYMATTR InstName C8
SYMATTR Value 15p
SYMBOL res 736 -208 R0
SYMATTR InstName R11
SYMATTR Value 399K
SYMBOL cap 896 112 R0
SYMATTR InstName C9
SYMATTR Value 47
SYMATTR SpiceLine Rser=5m
SYMBOL res 144 928 R0
SYMATTR InstName R1
SYMATTR Value 30.1K
SYMBOL res -272 -288 R0
SYMATTR InstName R10
SYMATTR Value 1.2Meg
SYMBOL cap -16 848 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C15
SYMATTR Value .001
SYMBOL ind 528 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 1.5
SYMATTR SpiceLine Rser=10m
SYMBOL cap -16 752 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .001
SYMBOL res 736 480 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL voltage 1264 624 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 100u 12 2m 5)
SYMBOL cap -16 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL cap 480 -272 R0
SYMATTR InstName C13
SYMATTR Value .1
SYMBOL res 736 192 R0
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL schottky 736 800 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS360
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 960 800 R0
SYMATTR InstName C5
SYMATTR Value 100
SYMATTR SpiceLine Rser=30m
SYMBOL PowerProducts\\LT8603 240 288 R0
SYMATTR InstName U1
SYMBOL cap 480 16 R0
SYMATTR InstName C10
SYMATTR Value .1
SYMBOL res 736 368 R0
SYMATTR InstName R5
SYMATTR Value 40.1K
SYMBOL res 592 576 R0
SYMATTR InstName R7
SYMATTR Value 4m
SYMBOL res 992 96 R0
SYMATTR InstName Rload2
SYMATTR Value 1.32
SYMBOL res 992 384 R0
SYMATTR InstName Rload3
SYMATTR Value .8
SYMBOL cap 896 400 R0
SYMATTR InstName C7
SYMATTR Value 47
SYMATTR SpiceLine Rser=5m
SYMBOL res 736 80 R0
SYMATTR InstName R8
SYMATTR Value 230K
SYMBOL cap 656 -176 R0
SYMATTR InstName C11
SYMATTR Value 10p
SYMBOL res -272 -400 R0
SYMATTR InstName R4
SYMATTR Value 1.8Meg
SYMBOL res 848 784 R0
SYMATTR InstName R2
SYMATTR Value 900K
FLAG 400 944 0
FLAG 160 1040 0
FLAG -224 384 0
FLAG 1008 496 0
FLAG 1008 384 OUT3
FLAG 1008 208 0
FLAG 1008 96 OUT2
FLAG 1008 -80 0
FLAG 1008 -192 OUT1
FLAG 1264 736 0
FLAG 1264 624 IN
FLAG 608 912 0
FLAG 864 1008 0
FLAG 976 880 0
FLAG 1056 880 0
FLAG 320 944 0
FLAG 240 944 0
FLAG -256 -176 0
FLAG -96 480 0
FLAG -96 768 0
FLAG -96 864 0
FLAG -16 672 0
FLAG 1056 784 OUT4
FLAG 752 16 0
FLAG 912 -80 0
FLAG 912 192 0
FLAG 752 304 0
FLAG 912 496 0
FLAG 752 592 0
TEXT 1016 1000 Left 2 !.tran 2.5m startup