* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3644.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\LTC3644.asy)
R3 N005 0 309K
L1 N002 OUT1 3.3
Rload3 OUT3 0 1.4
C9 OUT4 N009 22p Rpar=619K
R4 N009 0 84.5K
C6 OUT3 0 47
Rload4 OUT4 0 4
Rload1 OUT1 0 2
C2 OUT1 0 47
C3 OUT1 N004 22p Rpar=619K
C5 OUT2 N008 22p Rpar=619K
R1 N004 0 196K
C1 N001 0 4.7
L3 N003 OUT3 3.3
C8 OUT4 0 47
C7 OUT3 N005 10p Rpar=619K
C4 OUT2 0 47
L4 N007 OUT4 6.8
V1 IN 0 12
Rload2 OUT2 0 2.7
L2 N006 OUT2 4.7
R2 N008 0 137K
XU1 0 N001 IN IN IN IN IN 0 MP_01 0 N002 N004 N006 N008 N003 N005 N007 N009 NC_02 NC_03 NC_04 NC_05 IN IN IN IN LTC3644 ;pnba Mode)INTVcc)SVin)Run1)Run2)Run3)Run4)GND))Phase)SW1)FB1)SW2)FB2)SW3)FB3)SW4)FB4)Pgood1)Pgood2)Pgood4)Pgood3)Vin1)Vin2)Vin4)Vin3
.tran 1.2m startup
.lib LTC3644.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1140 984
WIRE 192 -208 112 -208
WIRE 304 -208 192 -208
WIRE 544 -208 304 -208
WIRE 112 -192 112 -208
WIRE 432 -160 432 -176
WIRE 112 -96 112 -112
WIRE 304 -80 304 -208
WIRE 432 -80 432 -96
WIRE 192 -16 192 -208
WIRE 224 -16 192 -16
WIRE 544 -16 544 -208
WIRE 544 -16 512 -16
WIRE 192 80 192 -16
WIRE 224 80 192 80
WIRE 544 80 544 -16
WIRE 544 80 512 80
WIRE -96 176 -240 176
WIRE -16 176 -96 176
WIRE 80 176 -16 176
WIRE 224 176 160 176
WIRE 576 176 512 176
WIRE 688 176 656 176
WIRE 864 176 688 176
WIRE 960 176 864 176
WIRE -240 192 -240 176
WIRE -96 192 -96 176
WIRE 864 192 864 176
WIRE 960 192 960 176
WIRE -16 272 -16 240
WIRE 224 272 -16 272
WIRE 688 272 688 240
WIRE 688 272 512 272
WIRE -240 288 -240 272
WIRE -96 288 -96 256
WIRE -16 288 -16 272
WIRE 688 288 688 272
WIRE 864 288 864 256
WIRE 960 288 960 272
WIRE -16 384 -16 368
WIRE 688 384 688 368
WIRE 192 464 192 80
WIRE 224 464 192 464
WIRE 544 464 544 80
WIRE 544 464 512 464
WIRE 192 560 192 464
WIRE 224 560 192 560
WIRE 544 560 544 464
WIRE 544 560 512 560
WIRE -96 656 -240 656
WIRE -16 656 -96 656
WIRE 80 656 -16 656
WIRE 224 656 160 656
WIRE 576 656 512 656
WIRE 704 656 656 656
WIRE 880 656 704 656
WIRE 976 656 880 656
WIRE -240 672 -240 656
WIRE -96 672 -96 656
WIRE 880 672 880 656
WIRE 976 672 976 656
WIRE -16 752 -16 720
WIRE 224 752 -16 752
WIRE 704 752 704 720
WIRE 704 752 512 752
WIRE -240 768 -240 752
WIRE -96 768 -96 736
WIRE -16 768 -16 752
WIRE 880 768 880 736
WIRE 976 768 976 752
WIRE 704 784 704 752
WIRE -16 864 -16 848
WIRE 704 880 704 864
WIRE 272 928 272 912
WIRE 368 928 368 912
WIRE 464 928 464 912
SYMBOL PowerProducts\\LTC3644 368 80 R0
SYMATTR InstName U1
SYMBOL res 960 656 R0
SYMATTR InstName Rload4
SYMATTR Value 4
SYMBOL res -32 272 R0
SYMATTR InstName R1
SYMATTR Value 196K
SYMBOL ind 560 672 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 6.8
SYMBOL voltage 112 -208 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL ind 176 192 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.3
SYMBOL res 688 768 R0
SYMATTR InstName R4
SYMATTR Value 84.5K
SYMBOL res -256 176 R0
SYMATTR InstName Rload1
SYMATTR Value 2
SYMBOL cap 688 656 R0
WINDOW 0 40 13 Left 2
WINDOW 123 23 65 Left 2
WINDOW 3 44 42 Left 2
SYMATTR InstName C9
SYMATTR Value2 Rpar=619K
SYMATTR Value 22p
SYMBOL res 672 272 R0
SYMATTR InstName R3
SYMATTR Value 309K
SYMBOL cap 672 176 R0
WINDOW 0 46 17 Left 2
WINDOW 123 27 72 Left 2
WINDOW 3 40 46 Left 2
SYMATTR InstName C7
SYMATTR Value2 Rpar=619K
SYMATTR Value 10p
SYMBOL ind 560 192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 3.3
SYMBOL cap -32 656 R0
WINDOW 0 41 17 Left 2
WINDOW 123 25 69 Left 2
WINDOW 3 35 44 Left 2
SYMATTR InstName C5
SYMATTR Value2 Rpar=619K
SYMATTR Value 22p
SYMBOL res -32 752 R0
SYMATTR InstName R2
SYMATTR Value 137K
SYMBOL cap 848 192 R0
SYMATTR InstName C6
SYMATTR Value 47
SYMBOL cap 416 -96 M180
WINDOW 0 24 56 Left 2
WINDOW 3 27 13 Left 2
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL cap -112 192 R0
SYMATTR InstName C2
SYMATTR Value 47
SYMBOL ind 176 672 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 4.7
SYMBOL res -256 656 R0
SYMATTR InstName Rload2
SYMATTR Value 2.7
SYMBOL cap -112 672 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMBOL cap 864 672 R0
SYMATTR InstName C8
SYMATTR Value 47
SYMBOL cap -32 176 R0
WINDOW 0 35 17 Left 2
WINDOW 123 25 74 Left 2
WINDOW 3 33 46 Left 2
SYMATTR InstName C3
SYMATTR Value2 Rpar=619K
SYMATTR Value 22p
SYMBOL res 944 176 R0
SYMATTR InstName Rload3
SYMATTR Value 1.4
FLAG 112 -96 0
FLAG 432 -176 0
FLAG 368 928 0
FLAG 272 928 0
FLAG -240 288 0
FLAG -96 288 0
FLAG -16 384 0
FLAG -240 768 0
FLAG -96 768 0
FLAG -16 864 0
FLAG 960 288 0
FLAG 864 288 0
FLAG 688 384 0
FLAG 976 768 0
FLAG 880 768 0
FLAG 704 880 0
FLAG 464 928 0
FLAG 112 -208 IN
FLAG -240 176 OUT1
FLAG -240 656 OUT2
FLAG 976 656 OUT4
FLAG 960 176 OUT3
TEXT 824 968 Left 2 !.tran 1.2m startup