* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3126.asc
* Generated by LTspice 26.0.1 for Windows.
* Note: LTC3126 has a Soft-Start duration of 7.5ms. \n Model has soft-start duration of only 0.75ms.
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC3126.asy)
R3 N015 0 249K
R7 N006 0 374K
C2 N004 N003 .1 Rser=1m
C4 OUT 0 47 V=6.3 Irms=0 Rser=.001
V1 IN1 0 15
C3 N008 0 1
C5 OUT N006 10p Rpar=1.13Meg
C1 N002 N001 .1 Rser=1m
V2 IN2 0 12
R2 N013 N015 249K
R4 OUT 0 1.3
XU1 0 N005 IN2 IN1 N003 N004 N001 N002 0 N011 N008 N013 N015 IN2 N007 IN1 N009 N010 MP_01 N012 N008 NC_02 N006 MP_03 0 0 N014 LTC3126 ;pnba PWM/SYNC)SW)PVin2)PVin1)BST1)COM1)BST2)COM2)DIODE)VREF)Vcc)VSET1)VSET2)Vin2)_PRIORITY)Vin1)_VALID1)_VALID2))PGOOD)ENA)ExtVcc)FB))GND)PGND)Rt
R1 N011 N013 499K
R5 N014 0 16.5K
L1 N005 OUT 2.2 Rser=5m
.tran .9m startup
.lib LTC3126.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1912 804
WIRE 80 -272 48 -272
WIRE 176 -272 144 -272
WIRE 336 -272 304 -272
WIRE 432 -272 400 -272
WIRE 48 -208 48 -272
WIRE 176 -208 176 -272
WIRE 304 -208 304 -272
WIRE 432 -208 432 -272
WIRE -64 -144 -208 -144
WIRE -16 -144 -64 -144
WIRE 528 -144 496 -144
WIRE 640 -144 608 -144
WIRE 880 -144 640 -144
WIRE 976 -144 880 -144
WIRE -208 -128 -208 -144
WIRE 880 -128 880 -144
WIRE 976 -128 976 -144
WIRE 640 -96 640 -144
WIRE -64 -48 -64 -144
WIRE -16 -48 -64 -48
WIRE -208 -32 -208 -48
WIRE 880 -32 880 -64
WIRE 976 -32 976 -48
WIRE -64 48 -208 48
WIRE -16 48 -64 48
WIRE 640 48 640 -32
WIRE 640 48 496 48
WIRE -208 64 -208 48
WIRE 640 64 640 48
WIRE -64 144 -64 48
WIRE -16 144 -64 144
WIRE 512 144 496 144
WIRE -208 160 -208 144
WIRE 640 160 640 144
WIRE -64 240 -144 240
WIRE -16 240 -64 240
WIRE 512 240 496 240
WIRE -144 256 -144 240
WIRE -144 336 -144 320
WIRE -64 336 -64 240
WIRE -16 336 -64 336
WIRE 512 336 496 336
WIRE -16 432 -160 432
WIRE 512 432 496 432
WIRE -160 448 -160 432
WIRE -16 528 -48 528
WIRE 512 528 496 528
WIRE 608 528 592 528
WIRE -160 544 -160 528
WIRE -48 544 -48 528
WIRE -48 544 -160 544
WIRE -160 560 -160 544
WIRE -16 624 -48 624
WIRE 528 624 496 624
WIRE -160 656 -160 640
WIRE -48 656 -48 624
WIRE -48 656 -160 656
WIRE -160 672 -160 656
WIRE 80 704 80 688
WIRE 256 704 256 688
WIRE 416 704 416 688
WIRE -160 768 -160 752
SYMBOL voltage -208 -144 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res -176 544 R0
SYMATTR InstName R2
SYMATTR Value 249K
SYMBOL cap -160 256 R0
SYMATTR InstName C3
SYMATTR Value 1
SYMBOL cap 144 -288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
SYMATTR SpiceLine Rser=1m
SYMBOL res -176 432 R0
SYMATTR InstName R1
SYMATTR Value 499K
SYMBOL res 960 -144 R0
SYMATTR InstName R4
SYMATTR Value 1.3
SYMBOL cap 624 -96 R0
WINDOW 123 26 65 Left 2
WINDOW 3 42 32 Left 2
SYMATTR Value2 Rpar=1.13Meg
SYMATTR InstName C5
SYMATTR Value 10p
SYMBOL ind 512 -128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=5m
SYMBOL PowerProducts\\LTC3126 240 240 R0
SYMATTR InstName U1
SYMBOL res -176 656 R0
SYMATTR InstName R3
SYMATTR Value 249K
SYMBOL res 496 544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 16.5K
SYMBOL cap 864 -128 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMATTR SpiceLine V=6.3 Irms=0 Rser=.001
SYMBOL res 624 48 R0
SYMATTR InstName R7
SYMATTR Value 374K
SYMBOL cap 400 -288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value .1
SYMATTR SpiceLine Rser=1m
SYMBOL voltage -208 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
FLAG -208 -32 0
FLAG -208 160 0
FLAG -144 336 0
FLAG -160 768 0
FLAG 80 704 0
FLAG 256 704 0
FLAG 416 704 0
FLAG 528 624 0
FLAG 608 528 0
FLAG 880 -32 0
FLAG 976 -32 0
FLAG 640 160 0
FLAG 976 -144 OUT
FLAG -208 -144 IN1
FLAG -208 48 IN2
TEXT 704 688 Left 2 !.tran .9m startup
TEXT 712 744 Left 2 ;Note: LTC3126 has a Soft-Start duration of 7.5ms. \n          Model has soft-start duration of only 0.75ms.