* Z:\home\khalils\Downloads\files\data\raw_asc\LT3845A.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU2 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LT3845A.asy)
C5 N001 0 1
M1 N007 N011 0 0 Si7370DP
C4 N003 N007 100n
D2 N001 N003 MBRS140
V2 N014 0 PULSE(0 2.5 0 10n 10n {0.5/305k} {1/305k})
R4 N013 0 16.2k
V1 N002 0 36
R2 N002 N004 1Meg
R6 N008 N009 8m
M2 N002 N006 N007 N007 Si7370DP
D1 0 N007 MBRS1100
R7 N009 0 2
D3 N009 N001 1N4148
C2 N012 0 2.2n Rser=20k Cpar=100p
L1 N007 N008 15 Rser=7m Rpar=2k
R5 N009 N013 143k
R1 N004 0 82.5k
C1 N005 0 2n
XU2 N002 N004 N005 0 N013 N012 N014 N010 N009 N008 0 N011 N001 N007 N006 N003 0 LT3845A ;pnba Vin)_SHDN)Css)Burst_EN)FB)Vc)SYNC)Fset)Sense-)Sense+)PGND)BG)Vcc)SW)TG)Boost)SGND
R3 N010 0 49.9k
C3 N009 0 100
.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 1.5m startup
.lib LT3845A.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1288 820
WIRE 224 -128 192 -128
WIRE 336 -128 288 -128
WIRE 1088 -128 336 -128
WIRE -208 -64 -384 -64
WIRE 208 -64 -208 -64
WIRE 736 -64 208 -64
WIRE -384 -32 -384 -64
WIRE -208 -32 -208 -64
WIRE 336 -16 336 -128
WIRE 432 -16 336 -16
WIRE 560 -16 496 -16
WIRE 208 32 208 -64
WIRE 336 32 336 -16
WIRE -384 80 -384 48
WIRE -208 80 -208 48
WIRE 32 80 -208 80
WIRE 560 80 560 -16
WIRE 560 80 528 80
WIRE 576 80 560 80
WIRE 736 80 736 -64
WIRE 1088 96 1088 -128
WIRE -208 112 -208 80
WIRE -48 160 -80 160
WIRE 32 160 16 160
WIRE 688 160 528 160
WIRE -208 224 -208 192
WIRE 32 240 -16 240
WIRE 640 240 640 80
WIRE 640 240 528 240
WIRE 736 240 736 176
WIRE 736 240 640 240
WIRE 800 240 736 240
WIRE 912 240 880 240
WIRE 944 240 912 240
WIRE 1040 240 1024 240
WIRE 1088 240 1088 160
WIRE 1088 240 1040 240
WIRE 1232 240 1088 240
WIRE 640 256 640 240
WIRE 736 272 736 240
WIRE 1232 272 1232 240
WIRE 1088 288 1088 240
WIRE -80 320 -128 320
WIRE 32 320 0 320
WIRE 592 320 528 320
WIRE 640 336 640 320
WIRE 592 352 592 320
WIRE 688 352 592 352
WIRE 1088 368 1088 352
WIRE 1232 368 1232 352
WIRE 736 384 736 368
WIRE -288 400 -336 400
WIRE 32 400 -224 400
WIRE 912 400 912 240
WIRE 912 400 528 400
WIRE 0 480 -64 480
WIRE 32 480 0 480
WIRE 704 480 528 480
WIRE 1040 480 1040 240
WIRE 1040 480 704 480
WIRE -64 560 -64 480
WIRE 272 560 272 528
WIRE 400 560 400 528
WIRE 0 640 0 480
WIRE 560 640 0 640
WIRE 704 640 704 480
WIRE 704 640 640 640
WIRE 144 688 144 528
WIRE -64 720 -64 640
WIRE 144 800 144 768
SYMBOL nmos 688 80 R0
SYMATTR InstName M2
SYMATTR Value Si7370DP
SYMBOL cap 288 -144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1
SYMBOL schottky 656 320 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL diode 1104 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL res 928 256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 8m
SYMBOL schottky 432 0 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -80 544 R0
SYMATTR InstName R4
SYMATTR Value 16.2k
SYMBOL voltage 144 672 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 2.5 0 10n 10n {0.5/305k} {1/305k})
SYMBOL ind 784 256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 15
SYMATTR SpiceLine Rser=7m Rpar=2k
SYMBOL cap 576 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL res 656 624 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 143k
SYMBOL cap -224 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 60 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2.2n
SYMATTR SpiceLine Rser=20k Cpar=100p
SYMBOL res 16 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 49.9k
SYMBOL res -224 96 R0
SYMATTR InstName R1
SYMATTR Value 82.5k
SYMBOL nmos 688 272 R0
SYMATTR InstName M1
SYMATTR Value Si7370DP
SYMBOL LT3845A 272 272 R0
SYMATTR InstName U2
SYMBOL res -224 -48 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL cap 16 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 2n
SYMBOL res 1216 256 R0
SYMATTR InstName R7
SYMATTR Value 2
SYMBOL voltage -384 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 36
SYMBOL cap 1072 288 R0
SYMATTR InstName C3
SYMATTR Value 100
FLAG -208 224 0
FLAG -384 80 0
FLAG -16 240 0
FLAG -80 160 0
FLAG -128 320 0
FLAG -336 400 0
FLAG -64 720 0
FLAG 1088 368 0
FLAG 1232 368 0
FLAG 736 384 0
FLAG 640 336 0
FLAG 272 560 0
FLAG 400 560 0
FLAG 192 -128 0
FLAG 144 800 0
TEXT 504 -176 Left 2 !.tran 1.5m startup