* Z:\home\khalils\Downloads\files\data\raw_asc\LT3956.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\LT3956.asy)
D1 N001 N002 MBRS360
R9 IN N008 332K
C2 N002 0 10
C1 N003 0 4.7
V2 N014 0 3.3
R2 N002 N007 1Meg
R4 N002 N009 .68
R6 N004 0 100K
R3 N007 0 16.2K
R7 N011 0 28.7K
C4 N010 0 .001
XU1 N006 N014 N005 N010 N011 N004 N003 IN MP_01 N001 N015 N007 N009 N002 N012 N008 0 LT3956 ;pnba Vref)PWM)_VMODE)SS)Rt)EN/UVLO)INTVcc)Vin))SW)PWMout)FB)ISN)ISP)Vc)CTRL)GND
R5 IN N004 332K
D2 N009 N013 LXK2-PW14 N=10
L1 IN N001 22 Rpar=2K
R8 N003 N005 100K
R10 N008 0 40.2K
MQ2 N013 N015 0 0 Si7850DP
C3 N012 0 4700p Rser=34K
V1 IN 0 10
.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 3m startup
.lib LT3956.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1296 1268
WIRE -272 -128 -384 -128
WIRE -176 -128 -272 -128
WIRE 240 -128 -176 -128
WIRE 464 -128 240 -128
WIRE 576 -128 544 -128
WIRE 624 -128 576 -128
WIRE 720 -128 688 -128
WIRE 816 -128 720 -128
WIRE 944 -128 816 -128
WIRE -384 -112 -384 -128
WIRE -176 -112 -176 -128
WIRE 816 -112 816 -128
WIRE 432 -80 -48 -80
WIRE 240 -64 240 -128
WIRE 816 -32 816 -48
WIRE -384 -16 -384 -32
WIRE -176 -16 -176 -32
WIRE 64 -16 -176 -16
WIRE 432 -16 432 -80
WIRE 432 -16 416 -16
WIRE 512 -16 496 -16
WIRE -176 0 -176 -16
WIRE 720 48 720 -128
WIRE -48 64 -48 -80
WIRE -32 64 -48 64
WIRE 64 64 48 64
WIRE 576 64 576 -128
WIRE 576 64 416 64
WIRE -176 96 -176 80
WIRE 944 96 944 -128
WIRE 944 96 864 96
WIRE 944 112 944 96
WIRE -272 128 -272 -128
WIRE 64 144 48 144
WIRE 720 144 720 128
WIRE 720 144 416 144
WIRE 720 160 720 144
WIRE -272 224 -272 208
WIRE 64 224 -272 224
WIRE 496 224 416 224
WIRE 944 224 944 192
WIRE 944 224 896 224
WIRE -272 240 -272 224
WIRE 944 240 944 224
WIRE 720 256 720 240
WIRE 496 288 496 224
WIRE 864 288 864 96
WIRE 864 288 496 288
WIRE -16 304 -32 304
WIRE 64 304 48 304
WIRE 464 304 416 304
WIRE 464 320 464 304
WIRE 896 320 896 224
WIRE 896 320 464 320
WIRE -272 336 -272 320
WIRE -96 384 -160 384
WIRE 64 384 -16 384
WIRE 448 384 416 384
WIRE 528 384 512 384
WIRE 944 384 944 304
WIRE -240 464 -256 464
WIRE 64 464 -160 464
WIRE 896 464 416 464
WIRE 944 496 944 480
WIRE 240 528 240 512
SYMBOL voltage -384 -128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL res -192 -128 R0
SYMATTR InstName R5
SYMATTR Value 332K
SYMBOL cap 448 368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 29 32 VTop 2
WINDOW 39 50 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4700p
SYMATTR SpiceLine Rser=34K
SYMBOL schottky 624 -112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS360
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 704 144 R0
SYMATTR InstName R3
SYMATTR Value 16.2K
SYMBOL PowerProducts\\LT3956 240 224 R0
SYMATTR InstName U1
SYMBOL LED 928 240 R0
WINDOW 3 29 67 Left 2
WINDOW 123 23 95 Left 2
SYMATTR Value LXK2-PW14
SYMATTR Value2 N=10
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 432 0 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL ind 448 -112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22
SYMATTR SpiceLine Rpar=2K
SYMBOL res -48 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL cap 48 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .001
SYMBOL res 0 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 28.7K
SYMBOL cap 800 -112 R0
SYMATTR InstName C2
SYMATTR Value 10
SYMBOL res 704 32 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res -192 -16 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL nmos 896 384 R0
SYMATTR InstName Q2
SYMATTR Value Si7850DP
SYMBOL res 928 96 R0
SYMATTR InstName R4
SYMATTR Value .68
SYMBOL res -288 224 R0
SYMATTR InstName R10
SYMATTR Value 40.2K
SYMBOL voltage -144 464 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 V2
SYMATTR Value 3.3
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMBOL res -288 112 R0
SYMATTR InstName R9
SYMATTR Value 332K
FLAG 512 -16 0
FLAG 720 256 0
FLAG 816 -32 0
FLAG -384 -16 0
FLAG -176 96 0
FLAG 528 384 0
FLAG 944 496 0
FLAG -32 304 0
FLAG -160 384 0
FLAG 240 528 0
FLAG -256 464 0
FLAG -384 -128 IN
FLAG -272 336 0
TEXT 616 496 Left 2 !.tran 3m startup