* Z:\home\khalils\Downloads\files\data\raw_asc\LTC1643AH.asc
* Generated by LTspice 26.0.1 for Windows.
* 5V, 5A
* 3.3V, 7.6A
* 12V, 500mA
* -12V, -100mA
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\SpecialFunctions\LTC1643AH.asy)
V3 N012 0 PULSE(0 12 5m 5m 5m 400m 450m)
Rload2 N007 0 0.87
R1 N001 N002 7m
C6 N003 0 30
V1 N001 0 PULSE(0 5 5m 5m 5m 250m 300m)
C1 N010 0 0.047
V6 N019 0 12
R5 N005 N006 5m
C4 N013 0 10
V5 N015 0 PWL(0 0 40m 0 +1u 3.3)
MQ2 N006 N008 N007 N007 IRF7413
V2 N005 0 PULSE(0 3.3 5m 5m 5m 250m 300m)
C5 N016 0 0.1
Rload1 N003 0 2
R4 N008 N009 10
Rload4 N013 0 150
XU1 N012 N014 N007 N016 N015 N017 N018 0 N005 N006 N009 N002 N001 N003 N013 N011 LTC1643AH ;pnba 12Vin)VeeIN)3Vout)Timer)ON)_Fault)_PWRGD)GND)3Vin)3Vsense)Gate)5Vsense)5Vin)5Vout)VeeOUT)12Vout
R3 N010 N009 100
MQ1 N002 N004 N003 N003 IRF7413
Rload3 N011 0 30
C3 N011 0 10
C2 N007 0 30
V4 N014 0 PULSE(0 -12 5m 5m 5m 400m 450m)
R7 N018 N019 10K
R2 N004 N009 10
R6 N017 N019 10K
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 550m
.lib LTC1643AH.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 880 680
WIRE -2720 -1840 -3648 -1840
WIRE -2704 -1840 -2720 -1840
WIRE -2608 -1840 -2624 -1840
WIRE -2544 -1840 -2608 -1840
WIRE -2240 -1840 -2448 -1840
WIRE -2176 -1840 -2240 -1840
WIRE -2048 -1840 -2176 -1840
WIRE -3648 -1824 -3648 -1840
WIRE -2176 -1824 -2176 -1840
WIRE -2048 -1824 -2048 -1840
WIRE -2464 -1744 -2464 -1792
WIRE -3648 -1728 -3648 -1744
WIRE -2176 -1728 -2176 -1760
WIRE -2048 -1728 -2048 -1744
WIRE -3168 -1648 -3648 -1648
WIRE -3152 -1648 -3168 -1648
WIRE -3056 -1648 -3072 -1648
WIRE -3024 -1648 -3056 -1648
WIRE -2832 -1648 -2928 -1648
WIRE -2176 -1648 -2832 -1648
WIRE -2048 -1648 -2176 -1648
WIRE -3648 -1632 -3648 -1648
WIRE -2176 -1632 -2176 -1648
WIRE -2048 -1632 -2048 -1648
WIRE -2944 -1552 -2944 -1600
WIRE -3648 -1536 -3648 -1552
WIRE -2176 -1536 -2176 -1568
WIRE -2048 -1536 -2048 -1552
WIRE -2944 -1456 -2944 -1472
WIRE -2464 -1456 -2464 -1664
WIRE -2464 -1456 -2944 -1456
WIRE -2448 -1456 -2464 -1456
WIRE -2352 -1456 -2368 -1456
WIRE -2272 -1456 -2288 -1456
WIRE -2240 -1392 -2240 -1840
WIRE -2240 -1392 -2480 -1392
WIRE -3168 -1376 -3168 -1648
WIRE -3056 -1376 -3056 -1648
WIRE -2944 -1376 -2944 -1456
WIRE -2832 -1376 -2832 -1648
WIRE -2720 -1376 -2720 -1840
WIRE -2608 -1376 -2608 -1840
WIRE -2480 -1376 -2480 -1392
WIRE -3248 -1280 -3280 -1280
WIRE -2176 -1280 -2400 -1280
WIRE -2048 -1280 -2176 -1280
WIRE -2176 -1264 -2176 -1280
WIRE -2048 -1264 -2048 -1280
WIRE -3696 -1216 -3712 -1216
WIRE -3248 -1216 -3616 -1216
WIRE -2272 -1168 -2400 -1168
WIRE -2176 -1168 -2176 -1200
WIRE -2048 -1168 -2048 -1184
WIRE -3248 -1152 -3456 -1152
WIRE -3696 -1088 -3712 -1088
WIRE -3456 -1088 -3456 -1152
WIRE -3456 -1088 -3616 -1088
WIRE -3248 -1088 -3408 -1088
WIRE -2272 -1072 -2272 -1168
WIRE -2176 -1072 -2272 -1072
WIRE -2048 -1072 -2176 -1072
WIRE -2384 -1056 -2400 -1056
WIRE -2304 -1056 -2320 -1056
WIRE -2176 -1056 -2176 -1072
WIRE -2048 -1056 -2048 -1072
WIRE -3248 -1024 -3360 -1024
WIRE -3360 -976 -3360 -1024
WIRE -3616 -960 -3632 -960
WIRE -3408 -960 -3408 -1088
WIRE -3408 -960 -3536 -960
WIRE -3248 -960 -3280 -960
WIRE -2176 -960 -2176 -992
WIRE -2048 -960 -2048 -976
WIRE -3280 -896 -3280 -960
WIRE -3520 -800 -3552 -800
WIRE -3360 -800 -3360 -896
WIRE -3360 -800 -3440 -800
WIRE -3280 -800 -3280 -816
WIRE -3280 -800 -3360 -800
SYMBOL res -2720 -1824 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 7m
SYMBOL cap -2192 -1824 R0
SYMATTR InstName C6
SYMATTR Value 30
SYMBOL res -3296 -912 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res -2352 -1472 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res -2064 -1648 R0
SYMATTR InstName Rload2
SYMATTR Value 0.87
SYMBOL res -2064 -1840 R0
SYMATTR InstName Rload1
SYMATTR Value 2
SYMBOL voltage -3600 -1088 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 -12 5m 5m 5m 400m 450m)
SYMBOL cap -2352 -1440 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 0.047
SYMBOL voltage -3520 -960 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 39 45 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PWL(0 0 40m 0 +1u 3.3)
SYMBOL voltage -3648 -1648 R0
SYMATTR InstName V2
SYMATTR Value PULSE(0 3.3 5m 5m 5m 250m 300m)
SYMBOL nmos -3024 -1600 R270
WINDOW 0 56 40 VTop 2
WINDOW 3 -10 76 VLeft 2
SYMATTR InstName Q2
SYMATTR Value IRF7413
SYMBOL voltage -3648 -1840 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 5m 5m 5m 250m 300m)
SYMBOL cap -2384 -1040 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 0.1
SYMBOL res -2960 -1568 R0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL voltage -3424 -800 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V6
SYMATTR Value 12
SYMBOL nmos -2544 -1792 R270
WINDOW 0 52 47 VTop 2
WINDOW 3 -7 77 VLeft 2
SYMATTR InstName Q1
SYMATTR Value IRF7413
SYMBOL res -2064 -1072 R0
SYMATTR InstName Rload4
SYMATTR Value 150
SYMBOL res -3168 -1632 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 5m
SYMBOL res -2480 -1760 R0
SYMATTR InstName R2
SYMATTR Value 10
SYMBOL cap -2192 -1632 R0
SYMATTR InstName C2
SYMATTR Value 30
SYMBOL res -2064 -1280 R0
SYMATTR InstName Rload3
SYMATTR Value 30
SYMBOL voltage -3600 -1216 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 12 5m 5m 5m 400m 450m)
SYMBOL cap -2192 -1264 R0
SYMATTR InstName C3
SYMATTR Value 10
SYMBOL res -3376 -992 R0
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL LTC1643AH -2832 -1152 R0
SYMATTR InstName U1
SYMBOL cap -2192 -1056 R0
SYMATTR InstName C4
SYMATTR Value 10
FLAG -2176 -1728 0
FLAG -2048 -1728 0
FLAG -2272 -1456 0
FLAG -3632 -960 0
FLAG -3648 -1728 0
FLAG -2176 -1536 0
FLAG -2048 -1536 0
FLAG -3648 -1536 0
FLAG -3712 -1216 0
FLAG -3712 -1088 0
FLAG -3552 -800 0
FLAG -2176 -1168 0
FLAG -2048 -1168 0
FLAG -2176 -960 0
FLAG -2048 -960 0
FLAG -2304 -1056 0
FLAG -3280 -1280 0
TEXT -2048 -1840 Bottom 2 ;5V, 5A
TEXT -2048 -1648 Bottom 2 ;3.3V, 7.6A
TEXT -2048 -1280 Bottom 2 ;12V, 500mA
TEXT -2048 -1072 Bottom 2 ;-12V, -100mA
TEXT -2888 -872 Left 2 !.tran 550m