* Z:\home\khalils\Downloads\files\data\raw_asc\LTC4441.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\LTC3803.asy)
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC4441.asy)
R10 N011 N010 56K
XU2 N011 0 N012 N009 IN N007 LTC3803 ;pnba Ith/Run)GND)FB)Sense)Vcc)Ngate
C1 N003 0 10
R4 N003 N002 330K
MQ1 N001 N005 N006 N006 Si7370DP
R7 N006 N009 250
R6 N004 0 20K
R5 IN N004 100K
R8 N012 0 10K
XU1 0 N009 N008 0 N007 N004 N002 IN N003 N005 LTC4441 ;pnba PGND)Blank)Rblank)SGND)IN)EN/SHDN)FB)Vin)DRVcc)OUT
Rload OUT 0 100
R9 OUT N012 300K
L1 IN N001 10 Rpar=2K
D1 N001 OUT MBR745
R1 N006 0 5m
R2 N008 0 100K
C2 OUT 0 25
V1 IN 0 10
R3 N002 0 86.6K
C3 N010 0 .0047
.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
.lib LTC3803.sub
.lib LTC4441.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 880 692
WIRE -304 -64 -384 -64
WIRE -208 -64 -304 -64
WIRE 160 -64 -208 -64
WIRE 304 -64 160 -64
WIRE 432 -64 384 -64
WIRE 464 -64 432 -64
WIRE 560 -64 528 -64
WIRE 624 -64 560 -64
WIRE 688 -64 624 -64
WIRE -384 -48 -384 -64
WIRE 560 -48 560 -64
WIRE 688 -48 688 -64
WIRE -112 0 -128 0
WIRE -16 0 -32 0
WIRE 192 0 -16 0
WIRE 336 0 272 0
WIRE 368 0 336 0
WIRE 368 16 368 0
WIRE -384 48 -384 32
WIRE 160 48 160 -64
WIRE 560 48 560 16
WIRE 688 48 688 32
WIRE -208 80 -208 -64
WIRE -16 96 -16 0
WIRE 0 96 -16 96
WIRE 336 96 336 0
WIRE 336 96 320 96
WIRE 368 96 368 80
WIRE 432 112 432 -64
WIRE -208 192 -208 160
WIRE 0 192 -208 192
WIRE 384 192 320 192
WIRE -208 208 -208 192
WIRE 528 208 432 208
WIRE 528 256 528 208
WIRE 0 288 -144 288
WIRE 432 288 320 288
WIRE -208 304 -208 288
WIRE 432 304 432 288
WIRE -304 384 -304 -64
WIRE -96 384 -112 384
WIRE 0 384 -16 384
WIRE 528 384 528 336
WIRE 528 384 320 384
WIRE -144 432 -144 288
WIRE -144 432 -176 432
WIRE 160 448 160 432
WIRE -608 496 -624 496
WIRE -528 496 -544 496
WIRE -432 496 -448 496
WIRE 528 496 528 384
WIRE 528 496 -176 496
WIRE -96 560 -176 560
WIRE -16 560 -96 560
WIRE 624 560 624 -64
WIRE 624 560 64 560
WIRE -96 576 -96 560
WIRE -304 624 -304 608
WIRE -96 672 -96 656
SYMBOL ind 288 -48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10
SYMATTR SpiceLine Rpar=2K
SYMBOL voltage -384 -64 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL PowerProducts\\LTC4441 160 240 R0
SYMATTR InstName U1
SYMBOL nmos 384 112 R0
SYMATTR InstName Q1
SYMATTR Value Si7370DP
SYMBOL res 416 192 R0
SYMATTR InstName R1
SYMATTR Value 5m
SYMBOL res -16 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 86.6K
SYMBOL res -224 64 R0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL res 80 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 300K
SYMBOL res 512 240 R0
SYMATTR InstName R7
SYMATTR Value 250
SYMBOL res -432 480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 56K
SYMBOL res 672 -64 R0
SYMATTR InstName Rload
SYMATTR Value 100
SYMBOL res -112 560 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL res 0 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 544 -48 R0
SYMATTR InstName C2
SYMATTR Value 25
SYMBOL cap 352 16 R0
SYMATTR InstName C1
SYMATTR Value 10
SYMBOL res -224 192 R0
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL schottky 464 -48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBR745
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 288 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 330K
SYMBOL PowerProducts\\LTC3803 -304 496 R0
SYMATTR InstName U2
SYMBOL cap -544 480 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .0047
FLAG 432 304 0
FLAG 160 448 0
FLAG -112 384 0
FLAG -128 0 0
FLAG 368 96 0
FLAG -208 304 0
FLAG 560 48 0
FLAG -384 48 0
FLAG -304 624 0
FLAG -96 672 0
FLAG -624 496 0
FLAG 688 48 0
FLAG 688 -64 OUT
FLAG -384 -64 IN
TEXT 352 608 Left 2 !.tran 4m startup