* Z:\home\khalils\Downloads\files\data\raw_asc\LTM4644.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\LTM4644.asy)
C7 OUT4 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
C1 OUT1 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
Rload3 OUT3 0 .375
V1 IN 0 12
Rload2 OUT2 0 .625
R5 N006 0 40.2K
R4 N004 0 19.1K
C6 N007 0 .001
C2 N003 0 .001
C4 N005 0 .001
R2 N002 0 100K
R6 N008 0 60.4K
C8 N009 0 .001
R1 IN N002 150K
C5 OUT3 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
C3 OUT2 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
R3 N001 0 13.3K
Rload1 OUT1 0 .825
Rload4 OUT4 0 .3
XU1 NC_01 IN 0 N001 N003 NC_02 N002 NC_03 OUT1 0 NC_04 0 IN IN IN IN IN NC_05 N002 N004 NC_06 N005 NC_07 NC_08 OUT2 N002 0 N006 N007 NC_09 NC_10 OUT3 0 IN IN NC_11 N002 N008 N009 NC_12 NC_13 OUT4 0 NC_14 LTM4644 ;pnba IntVcc1)SVin1)Mode1)FB1)Track/SS1)Comp1)Run1)Pgood1)Vout1)GND)CLKIn)SGND)Vin1)SVin2)Vin2)SVin3)Vin3)IntVcc2)Run2)FB2)IntVcc3)Track/SS2)Pgood2)Comp2)Vout2)Run3)Mode2)FB3)Track/SS3)Pgood3)Comp3)Vout3)Mode3)SVin4)Vin4)IntVcc4)Run4)FB4)Track/SS4)Pgood4)Comp4)Vout4)Mode4)CLKOut
.tran .5m startup
.lib LTM4644.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1248 856
WIRE -400 -320 -496 -320
WIRE -272 -320 -400 -320
WIRE -256 -320 -272 -320
WIRE 928 -320 736 -320
WIRE 1024 -320 928 -320
WIRE -496 -304 -496 -320
WIRE 928 -304 928 -320
WIRE 1024 -304 1024 -320
WIRE -400 -224 -400 -320
WIRE -272 -224 -272 -320
WIRE -256 -224 -272 -224
WIRE 752 -224 736 -224
WIRE 848 -224 832 -224
WIRE -496 -208 -496 -224
WIRE 928 -208 928 -240
WIRE 1024 -208 1024 -224
WIRE -400 -128 -400 -144
WIRE -304 -128 -400 -128
WIRE -256 -128 -304 -128
WIRE 752 -128 736 -128
WIRE 832 -128 816 -128
WIRE -400 -112 -400 -128
WIRE -272 -32 -272 -224
WIRE -256 -32 -272 -32
WIRE 928 -32 736 -32
WIRE 1024 -32 928 -32
WIRE -400 -16 -400 -32
WIRE 928 -16 928 -32
WIRE 1024 -16 1024 -32
WIRE -272 64 -272 -32
WIRE -256 64 -272 64
WIRE 752 64 736 64
WIRE 848 64 832 64
WIRE 928 80 928 48
WIRE 1024 80 1024 64
WIRE -304 160 -304 -128
WIRE -256 160 -304 160
WIRE 752 160 736 160
WIRE 832 160 816 160
WIRE -272 256 -272 64
WIRE -256 256 -272 256
WIRE 928 256 736 256
WIRE 1024 256 928 256
WIRE 928 272 928 256
WIRE 1024 272 1024 256
WIRE -272 352 -272 256
WIRE -256 352 -272 352
WIRE 752 352 736 352
WIRE 848 352 832 352
WIRE 928 368 928 336
WIRE 1024 368 1024 352
WIRE -304 448 -304 160
WIRE -256 448 -304 448
WIRE 752 448 736 448
WIRE 832 448 816 448
WIRE -272 544 -272 352
WIRE -256 544 -272 544
WIRE 928 544 736 544
WIRE 1024 544 928 544
WIRE 928 560 928 544
WIRE 1024 560 1024 544
WIRE -272 640 -272 544
WIRE -256 640 -272 640
WIRE 768 640 736 640
WIRE 864 640 848 640
WIRE 928 656 928 624
WIRE 1024 656 1024 640
WIRE -304 736 -304 448
WIRE -256 736 -304 736
WIRE 752 736 736 736
WIRE 832 736 816 736
WIRE -192 816 -192 800
WIRE -96 816 -96 800
WIRE 0 816 0 800
WIRE 96 816 96 800
WIRE 192 816 192 800
WIRE 672 816 672 800
SYMBOL res 1008 -32 R0
SYMATTR InstName Rload2
SYMATTR Value .625
SYMBOL cap 752 176 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value .001
SYMBOL res 736 368 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 40.2K
SYMBOL cap 912 -304 R0
WINDOW 123 26 69 Left 2
WINDOW 3 38 36 Left 2
SYMATTR Value2 x2
SYMATTR InstName C1
SYMATTR Value 47
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL cap 912 560 R0
WINDOW 123 26 69 Left 2
WINDOW 3 38 36 Left 2
SYMATTR Value2 x2
SYMATTR InstName C7
SYMATTR Value 47
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL res 1008 256 R0
SYMATTR InstName Rload3
SYMATTR Value .375
SYMBOL voltage -496 -320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 736 -208 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 13.3K
SYMBOL res -416 -128 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 752 -112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value .001
SYMBOL res 1008 -320 R0
SYMATTR InstName Rload1
SYMATTR Value .825
SYMBOL cap 752 464 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value .001
SYMBOL res 1008 544 R0
SYMATTR InstName Rload4
SYMATTR Value .3
SYMBOL res 736 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 19.1K
SYMBOL PowerProducts\\LTM4644 240 208 R0
SYMATTR InstName U1
SYMBOL cap 752 752 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C8
SYMATTR Value .001
SYMBOL res -416 -240 R0
SYMATTR InstName R1
SYMATTR Value 150K
SYMBOL res 752 656 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 60.4K
SYMBOL cap 912 -16 R0
WINDOW 123 26 69 Left 2
WINDOW 3 38 36 Left 2
SYMATTR Value2 x2
SYMATTR InstName C3
SYMATTR Value 47
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL cap 912 272 R0
WINDOW 123 26 69 Left 2
WINDOW 3 38 36 Left 2
SYMATTR Value2 x2
SYMATTR InstName C5
SYMATTR Value 47
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
FLAG -192 816 0
FLAG 672 816 0
FLAG -96 816 0
FLAG 0 816 0
FLAG 96 816 0
FLAG 192 816 0
FLAG -496 -208 0
FLAG -400 -16 0
FLAG -496 -320 IN
FLAG 928 -208 0
FLAG 1024 -208 0
FLAG 848 -224 0
FLAG 832 -128 0
FLAG 1024 -320 OUT1
FLAG 928 80 0
FLAG 1024 80 0
FLAG 848 64 0
FLAG 832 160 0
FLAG 1024 -32 OUT2
FLAG 928 368 0
FLAG 1024 368 0
FLAG 848 352 0
FLAG 832 448 0
FLAG 1024 256 OUT3
FLAG 928 656 0
FLAG 1024 656 0
FLAG 864 640 0
FLAG 832 736 0
FLAG 1024 544 OUT4
TEXT 968 744 Left 2 !.tran .5m startup