* Z:\home\khalils\Downloads\files\data\raw_asc\LT3950.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\LT3950.asy)
V1 IN 0 12
XU1 OUT N004 N006 0 N003 N001 N002 N008 N005 IN 0 N010 IN N005 N005 0 LT3950 ;pnba Isp)Isn)PWMTG)GND)_Fault)SW)FB)Vc)CTRL)EN/UVLO)RP)RT)Vin)PWM)INTVcc)SYNC/SPRD
R5 0 N002 41.2k
R4 OUT N002 1Meg
M1 N007 N006 N004 N004 Si7489DP
D1 N001 OUT PMEG6010AED
C2 N005 0 1
R2 N010 0 49.9k
C1 OUT 0 4.7 Rser=1m
D2 N007 0 LXHL-BW02 n=8
R3 OUT N004 0.75
C5 N009 0 270p
L1 IN N001 6.8 Rser=193m
R6 N009 N008 62k
R7 N005 N003 100k
.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 .8m startup
.lib LT3950.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1364 760
WIRE 32 -288 -64 -288
WIRE 112 -288 32 -288
WIRE 256 -288 192 -288
WIRE 336 -288 256 -288
WIRE 480 -288 400 -288
WIRE 704 -288 480 -288
WIRE 768 -288 704 -288
WIRE 480 -272 480 -288
WIRE -64 -256 -64 -288
WIRE 768 -256 768 -288
WIRE 256 -208 256 -288
WIRE 768 -176 768 -192
WIRE -64 -160 -64 -176
WIRE 32 -160 32 -288
WIRE 64 -160 32 -160
WIRE 480 -160 480 -192
WIRE 480 -160 448 -160
WIRE 544 -160 480 -160
WIRE 656 -160 624 -160
WIRE 32 -48 32 -160
WIRE 64 -48 32 -48
WIRE 704 -48 704 -288
WIRE 704 -48 448 -48
WIRE 704 -32 704 -48
WIRE 64 64 32 64
WIRE 704 64 704 48
WIRE 704 64 448 64
WIRE 32 80 32 64
WIRE 704 160 704 64
WIRE 32 176 32 160
WIRE 32 176 -48 176
WIRE 64 176 32 176
WIRE 656 176 448 176
WIRE -48 208 -48 176
WIRE 704 272 704 256
WIRE -48 288 -48 272
WIRE 32 288 32 176
WIRE 64 288 32 288
WIRE 480 288 448 288
WIRE 592 288 560 288
WIRE 592 304 592 288
WIRE 592 384 592 368
WIRE 704 384 704 336
WIRE 32 400 32 288
WIRE 64 400 32 400
WIRE 464 400 448 400
WIRE 128 480 128 464
WIRE 256 480 256 464
WIRE 384 480 384 464
WIRE 256 576 256 560
SYMBOL pmos 656 256 M180
WINDOW 0 60 76 Left 2
WINDOW 3 59 40 Left 2
SYMATTR InstName M1
SYMATTR Value Si7489DP
SYMBOL schottky 336 -272 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value PMEG6010AED
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LT3950 256 112 R0
SYMATTR InstName U1
SYMBOL res 640 -144 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 41.2k
SYMBOL cap 576 304 R0
SYMATTR InstName C5
SYMATTR Value 270p
SYMBOL cap -64 208 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL res 48 176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res 688 -48 R0
SYMATTR InstName R3
SYMATTR Value 0.75
SYMBOL cap 752 -256 R0
WINDOW 3 38 34 Left 2
SYMATTR Value 4.7
SYMATTR InstName C1
SYMATTR SpiceLine Rser=1m
SYMBOL res 576 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 62k
SYMBOL LED 688 272 R0
WINDOW 123 39 97 Left 2
SYMATTR Value2 n=8
SYMATTR InstName D2
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 464 -288 R0
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL res 240 464 R0
SYMATTR InstName R2
SYMATTR Value 49.9k
SYMBOL voltage -64 -272 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL ind 96 -272 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 6.8
SYMATTR SpiceLine Rser=193m
FLAG 768 -176 0
FLAG -64 -160 0
FLAG -48 288 0
FLAG 256 576 0
FLAG 704 384 0
FLAG -64 -288 IN
FLAG 768 -288 OUT
FLAG 656 -160 0
FLAG 592 384 0
FLAG 128 480 0
FLAG 384 480 0
FLAG 464 400 0
TEXT 584 528 Left 2 !.tran .8m startup