* Z:\home\khalils\Downloads\files\data\raw_asc\LT3745.asc
* Generated by LTspice 26.0.1 for Windows.
M1 N003 N010 IN IN FDS4885C_P
L1 N003 N004 22 Rser=40m
R1 OUT N004 25m
C1 0 OUT 220 Rser=8m
R2 OUT N001 23.2K
R3 N001 0 10K
D1 0 N003 MBRS140
V1 IN 0 12
XU1 N008 N021 N020 N019 N018 N017 N016 N015 N014 0 MP_01 MP_02 MP_03 MP_04 N006 N002 MP_05 MP_06 MP_07 MP_08 MP_09 N029 N028 N027 N026 N025 N024 N023 N022 0 N011 N012 N001 OUT N004 N009 N010 IN N005 N007 N013 N030 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 N013 N031 LT3745 ;pnba EN/UVLO)LED7)LED6)LED5)LED4)LED3)LED2)LED1)LED0)GND)))))Vcc)PWMCK))))))LED15)LED14)LED13)LED12)LED11)LED10)LED9)LED8)SYNC)RT)SS)FB)ISN)ISP)CAP)Gate)Vin)C1)Iset)GS0)DC0)GS1)DC1)GS2)DC2)GS3)DC3)GS4)DC4)GS5)DC5)GS6)DC6)GS7)DC7)GS8)DC8)GS9)DC9)GS10)DC10)GS11)DC11)GS12)DC12)GS13)DC13)GS14)DC14)GS15)DC15
C2 0 N012 10n
R4 0 N011 105K
C3 IN N009 .47
DLED0 OUT N014 AOT-2015
DLED1 OUT N015 AOT-2015
DLED2 OUT N016 AOT-2015
DLED3 OUT N017 AOT-2015
DLED4 OUT N018 AOT-2015
DLED5 OUT N019 AOT-2015
DLED6 OUT N020 AOT-2015
DLED7 OUT N021 AOT-2015
DLED8 OUT N022 AOT-2015
DLED9 OUT N023 AOT-2015
DLED10 OUT N024 AOT-2015
DLED11 OUT N025 AOT-2015
DLED12 OUT N026 AOT-2015
DLED13 OUT N027 AOT-2015
DLED14 OUT N028 AOT-2015
DLED15 OUT N029 AOT-2015
R5 N006 N008 100K
V2 N006 0 PWL(0 0 200u 0 +20u 5)
Vgs N013 0 1003
Vdc0 N030 0 PWL(0 15 2m 15 +1u 55)
R6 0 N007 60.4K
Vc1 N005 0 PWL(0 0 0.5m 0 +1u 3.3)
V3 N002 0 PULSE(0 3.3 0 100n 100n 1.1207u 2.341406u)
Vdc1-15 N031 0 32
.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 4m startup
* GS Register Value\n12 bit: 0 to 4095\nEach input can \nhave its own value.
* DC Register Value\n6 bit: 0 to 63\nEach input can have its own value.
* Enable Channels
* 50mA
* 409.6kHz
* 500kHz
* 4V max.
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LT3745.asy)
.lib LT3745.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1412 1172
WIRE -272 -560 -272 -608
WIRE -224 -560 -272 -560
WIRE -96 -560 -144 -560
WIRE -64 -560 -96 -560
WIRE 48 -560 16 -560
WIRE -272 -528 -272 -560
WIRE -528 -496 -688 -496
WIRE -688 -480 -688 -496
WIRE -1408 -464 -1456 -464
WIRE -1040 -464 -1328 -464
WIRE -96 -464 -96 -560
WIRE -96 -464 -128 -464
WIRE -848 -400 -848 -448
WIRE -528 -400 -528 -496
WIRE -384 -400 -528 -400
WIRE -272 -400 -272 -464
WIRE -272 -400 -288 -400
WIRE -240 -400 -272 -400
WIRE -96 -400 -160 -400
WIRE -64 -400 -96 -400
WIRE 48 -400 48 -560
WIRE 48 -400 16 -400
WIRE 112 -400 48 -400
WIRE 368 -400 112 -400
WIRE -688 -384 -688 -400
WIRE 112 -368 112 -400
WIRE -96 -304 -96 -400
WIRE -32 -304 -96 -304
WIRE -1360 -288 -1408 -288
WIRE -1120 -288 -1280 -288
WIRE -944 -288 -944 -320
WIRE -848 -288 -848 -320
WIRE -736 -288 -848 -288
WIRE -608 -288 -736 -288
WIRE -528 -272 -528 -400
WIRE -448 -272 -528 -272
WIRE 112 -272 112 -304
WIRE 112 -272 96 -272
WIRE -736 -256 -736 -288
WIRE -208 -256 -208 -272
WIRE -528 -240 -528 -272
WIRE -288 -240 -288 -256
WIRE -1120 -144 -1120 -288
WIRE -1040 -144 -1040 -464
WIRE -944 -144 -944 -208
WIRE -848 -144 -848 -176
WIRE -736 -144 -736 -176
WIRE -608 -144 -608 -288
WIRE -528 -144 -528 -176
WIRE -448 -144 -448 -272
WIRE -368 -144 -368 -352
WIRE -288 -144 -288 -160
WIRE -208 -144 -208 -192
WIRE -128 -144 -128 -464
WIRE -32 -144 -32 -304
WIRE 48 -144 48 -400
WIRE -1392 -80 -1440 -80
WIRE -1216 -80 -1312 -80
WIRE -1168 -80 -1216 -80
WIRE 160 -80 112 -80
WIRE 368 -80 368 -400
WIRE 368 -80 224 -80
WIRE -1216 -16 -1216 -80
WIRE -1168 -16 -1216 -16
WIRE 272 -16 112 -16
WIRE 368 -16 368 -80
WIRE 368 -16 336 -16
WIRE -1216 48 -1216 -16
WIRE -1168 48 -1216 48
WIRE 160 48 112 48
WIRE 368 48 368 -16
WIRE 368 48 224 48
WIRE -1216 112 -1216 48
WIRE -1168 112 -1216 112
WIRE 272 112 112 112
WIRE 368 112 368 48
WIRE 368 112 336 112
WIRE -1216 176 -1216 112
WIRE -1168 176 -1216 176
WIRE 160 176 112 176
WIRE 368 176 368 112
WIRE 368 176 224 176
WIRE -1216 240 -1216 176
WIRE -1168 240 -1216 240
WIRE 272 240 112 240
WIRE 368 240 368 176
WIRE 368 240 336 240
WIRE -1216 304 -1216 240
WIRE -1168 304 -1216 304
WIRE 160 304 112 304
WIRE 368 304 368 240
WIRE 368 304 224 304
WIRE -1216 368 -1216 304
WIRE -1168 368 -1216 368
WIRE 272 368 112 368
WIRE 368 368 368 304
WIRE 368 368 336 368
WIRE -1216 432 -1216 368
WIRE -1168 432 -1216 432
WIRE 160 432 112 432
WIRE 368 432 368 368
WIRE 368 432 224 432
WIRE -1216 496 -1216 432
WIRE -1168 496 -1216 496
WIRE 272 496 112 496
WIRE 368 496 368 432
WIRE 368 496 336 496
WIRE -1216 560 -1216 496
WIRE -1168 560 -1216 560
WIRE 160 560 112 560
WIRE 368 560 368 496
WIRE 368 560 224 560
WIRE -1216 624 -1216 560
WIRE -1168 624 -1216 624
WIRE 272 624 112 624
WIRE 368 624 368 560
WIRE 368 624 336 624
WIRE -1216 688 -1216 624
WIRE -1168 688 -1216 688
WIRE 160 688 112 688
WIRE 368 688 368 624
WIRE 368 688 224 688
WIRE -1216 752 -1216 688
WIRE -1168 752 -1216 752
WIRE 272 752 112 752
WIRE 368 752 368 688
WIRE 368 752 336 752
WIRE -1216 816 -1216 752
WIRE -1168 816 -1216 816
WIRE 160 816 112 816
WIRE 368 816 368 752
WIRE 368 816 224 816
WIRE -1216 880 -1216 816
WIRE -1168 880 -1216 880
WIRE 272 880 112 880
WIRE 368 880 368 816
WIRE 368 880 336 880
WIRE 32 976 32 944
WIRE -1344 992 -1376 992
WIRE -1088 992 -1088 944
WIRE -1088 992 -1264 992
WIRE -1024 992 -1024 944
WIRE -960 992 -960 944
WIRE -960 992 -1024 992
WIRE -896 992 -896 944
WIRE -896 992 -960 992
WIRE -832 992 -832 944
WIRE -832 992 -896 992
WIRE -768 992 -768 944
WIRE -768 992 -832 992
WIRE -704 992 -704 944
WIRE -704 992 -768 992
WIRE -640 992 -640 944
WIRE -640 992 -704 992
WIRE -576 992 -576 944
WIRE -576 992 -640 992
WIRE -512 992 -512 944
WIRE -512 992 -576 992
WIRE -448 992 -448 944
WIRE -448 992 -512 992
WIRE -368 992 -368 944
WIRE -368 992 -448 992
WIRE -288 992 -288 944
WIRE -288 992 -368 992
WIRE -208 992 -208 944
WIRE -208 992 -288 992
WIRE -128 992 -128 944
WIRE -128 992 -208 992
WIRE -48 992 -48 944
WIRE -48 992 -128 992
WIRE -1024 1024 -1024 992
WIRE -1024 1136 -1024 1104
FLAG -272 -608 0
FLAG -688 -384 0
FLAG 112 -272 0
FLAG -208 -272 0
FLAG -288 -256 0
FLAG 368 -400 OUT
FLAG -848 -448 0
FLAG 32 976 0
FLAG -1440 -80 0
FLAG -688 -496 IN
FLAG -1376 992 0
FLAG -944 -320 0
FLAG -1408 -288 0
FLAG -848 -176 0
FLAG -1456 -464 0
FLAG -1024 1136 0
SYMBOL pmos -288 -352 M270
WINDOW 0 70 59 VLeft 2
WINDOW 3 -14 69 VLeft 2
SYMATTR InstName M1
SYMATTR Value FDS4885C_P
SYMBOL ind -256 -384 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22
SYMATTR SpiceLine Rser=40m
SYMBOL res 32 -416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 25m
SYMBOL cap 96 -304 M180
WINDOW 3 24 8 Left 2
WINDOW 0 24 56 Left 2
SYMATTR Value 220
SYMATTR InstName C1
SYMATTR SpiceLine Rser=8m
SYMBOL res 32 -576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 23.2K
SYMBOL res -128 -576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL diode -288 -528 R0
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMBOL voltage -688 -496 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL LT3745 -528 368 R0
SYMATTR InstName U1
SYMBOL cap -224 -256 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res -304 -256 R0
SYMATTR InstName R4
SYMATTR Value 105K
SYMBOL cap -544 -240 R0
SYMATTR InstName C3
SYMATTR Value .47
SYMBOL LED 224 -96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED0
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED1
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED2
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED3
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED4
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED5
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED6
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED7
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED8
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 480 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED9
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED10
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 608 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED11
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 672 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED12
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 736 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED13
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 224 800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED14
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 336 864 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName LED15
SYMATTR Value AOT-2015
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -752 -272 R0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL voltage -848 -304 M180
WINDOW 0 24 96 Left 2
WINDOW 3 13 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 200u 0 +20u 5)
SYMBOL voltage -1296 -80 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 -74 56 VBottom 2
WINDOW 39 -53 56 VBottom 2
SYMATTR InstName Vgs
SYMATTR Value 1003
SYMBOL voltage -1248 992 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 -74 56 VBottom 2
WINDOW 39 -53 56 VBottom 2
SYMATTR InstName Vdc0
SYMATTR Value PWL(0 15 2m 15 +1u 55)
SYMBOL res -960 -304 R0
SYMATTR InstName R6
SYMATTR Value 60.4K
SYMBOL voltage -1264 -288 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName Vc1
SYMATTR Value PWL(0 0 0.5m 0 +1u 3.3)
SYMBOL voltage -1312 -464 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 3.3 0 100n 100n 1.1207u 2.341406u)
SYMBOL voltage -1024 1008 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName Vdc1-15
SYMATTR Value 32
TEXT 152 1024 Left 2 !.tran 4m startup
TEXT -1352 -8 Top 2 ;GS Register Value\n12 bit: 0 to 4095\nEach input can \nhave its own value.
TEXT -488 1008 Top 2 ;DC Register Value\n6 bit: 0 to 63\nEach input can have its own value.
TEXT -1320 -224 Top 2 ;Enable Channels
TEXT -936 -200 Left 2 ;50mA
TEXT -1368 -400 Top 2 ;409.6kHz
TEXT -272 -272 Bottom 2 ;500kHz
TEXT 368 -432 Bottom 2 ;4V max.