* Z:\home\khalils\Downloads\files\data\raw_asc\LT8253A.asc
* Generated by LTspice 26.0.1 for Windows.
* LT8253A - 40V 2MHz Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum\nHigh Efficiency 48W 2MHz Buck-Boost Voltage Regulator\nInput: 4V to 24V, 60V Trans Output: 12V @ 4A, Fsw = 2MHz
* Note:\n If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n Contact your local sales representative for assistance. This circuit is distributed to customers only for use with ADI parts.\n Copyright 2018 Analog Devices. All rights reserved.
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LT8253A.asy)
Rload OUT 0 3
R4 N007 N010 10K
C8 sw1 N002 .1
C11 OUT 0 1
C13 OUT 0 22 x2 Rser=5m
C4 N003 sw2 .1
MQ1 OUT tg2 sw2 sw2 BSC032NE2LS
D1 intvcc N003 BAT46WJ
R1 N006 0 10K
R10 N001 sw1 5m
C3 OUT 0 22 Rser=5m
V1 IN 0 PWL(0 0 100u 8 2m 8 2.1m 11 3m 11 3.1m 12 4m 12 4.1m 13 5m 13 5.1m 24 10m 24)
R6 N004 0 165K
C6 intvcc 0 4.7
R3 N008 0 59K
D2 intvcc N002 BAT46WJ
R5 IN N004 383K
C2 IN 0 22 x1
MQ4 sw1 bg1 0 0 BSZ065N06LS5
R2 OUT N006 110K
MQ3 IN tg1 sw1 sw1 BSZ065N06LS5
R9 N005 intvcc 100K
XU1 bg1 N002 sw1 tg1 sw1 N001 IN intvcc N004 MP_01 vref vref MP_02 MP_03 MP_04 MP_05 N005 N009 N006 N007 N008 0 MP_06 OUT tg2 sw2 N003 bg2 0 LT8253A ;pnba BG1)BST1)SW1)TG1)LSP)LSN)Vin)INTVcc)EN/UVLO))VOUTEN)Vref)))))_PGood)SS)FB)Vc)RT)Sync/SPRD))Vout)TG2)SW2)BST2)BG2)GND
C12 IN 0 .47
MQ2 sw2 bg2 0 0 BSC032NE2LS
C1 N010 0 2200p
C5 IN 0 4.7 x2
L1 N001 sw2 1 Rser=13m
C9 N009 0 10n
C7 vref 0 .47
.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 10m startup
.lib LT8253A.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 3180 3296
WIRE -384 1216 -416 1216
WIRE 384 1216 -384 1216
WIRE -176 1280 -640 1280
WIRE -144 1280 -176 1280
WIRE -16 1280 -144 1280
WIRE 0 1280 -16 1280
WIRE 112 1280 80 1280
WIRE 128 1280 112 1280
WIRE 240 1280 208 1280
WIRE 272 1280 240 1280
WIRE 544 1280 272 1280
WIRE -384 1312 -384 1216
WIRE 384 1312 384 1216
WIRE -144 1360 -144 1280
WIRE -16 1360 -16 1280
WIRE 112 1360 112 1280
WIRE 240 1360 240 1280
WIRE -1008 1440 -1104 1440
WIRE -896 1440 -1008 1440
WIRE -800 1440 -896 1440
WIRE -784 1440 -800 1440
WIRE -640 1440 -640 1280
WIRE -640 1440 -688 1440
WIRE -560 1440 -640 1440
WIRE -384 1440 -384 1376
WIRE -384 1440 -496 1440
WIRE -256 1440 -384 1440
WIRE 384 1440 384 1376
WIRE 384 1440 352 1440
WIRE 416 1440 384 1440
WIRE 544 1440 544 1280
WIRE 544 1440 480 1440
WIRE 704 1440 544 1440
WIRE 816 1440 800 1440
WIRE 864 1440 816 1440
WIRE 1104 1440 864 1440
WIRE 1152 1440 1104 1440
WIRE 1248 1440 1152 1440
WIRE -1104 1456 -1104 1440
WIRE -1008 1456 -1008 1440
WIRE -896 1456 -896 1440
WIRE -640 1456 -640 1440
WIRE 544 1456 544 1440
WIRE 864 1456 864 1440
WIRE 1152 1456 1152 1440
WIRE 1248 1456 1248 1440
WIRE -320 1536 -592 1536
WIRE -256 1536 -320 1536
WIRE 416 1536 352 1536
WIRE 496 1536 416 1536
WIRE -1104 1552 -1104 1536
WIRE -1008 1552 -1008 1520
WIRE -896 1552 -896 1520
WIRE 864 1552 864 1520
WIRE 1152 1552 1152 1520
WIRE 1248 1552 1248 1536
WIRE -640 1568 -640 1552
WIRE 544 1568 544 1552
WIRE -704 1616 -704 1488
WIRE -320 1616 -704 1616
WIRE -256 1616 -320 1616
WIRE 416 1616 352 1616
WIRE 720 1616 720 1488
WIRE 720 1616 416 1616
WIRE -880 1696 -896 1696
WIRE -800 1696 -800 1440
WIRE -800 1696 -816 1696
WIRE -256 1696 -800 1696
WIRE 816 1696 816 1440
WIRE 816 1696 352 1696
WIRE 832 1696 816 1696
WIRE -800 1792 -800 1776
WIRE -256 1792 -800 1792
WIRE -800 1808 -800 1792
WIRE -528 1888 -544 1888
WIRE -416 1888 -416 1216
WIRE -416 1888 -464 1888
WIRE -320 1888 -416 1888
WIRE -256 1888 -320 1888
WIRE 1104 1888 1104 1440
WIRE -800 1904 -800 1888
WIRE -416 1984 -416 1888
WIRE -368 1984 -416 1984
WIRE -256 1984 -288 1984
WIRE 1104 1984 1104 1968
WIRE 1104 1984 352 1984
WIRE 1104 2000 1104 1984
WIRE -464 2080 -480 2080
WIRE -368 2080 -400 2080
WIRE -320 2080 -368 2080
WIRE -256 2080 -320 2080
WIRE 1104 2096 1104 2080
WIRE -368 2176 -368 2080
WIRE -256 2176 -368 2176
WIRE -256 2352 -272 2352
WIRE 384 2352 352 2352
WIRE 48 2464 48 2448
WIRE 240 2464 240 2448
WIRE -144 2480 -144 2448
WIRE -144 2560 -144 2544
WIRE 48 2560 48 2544
WIRE 240 2560 240 2544
WIRE 48 2640 48 2624
SYMBOL res -816 1792 R0
SYMATTR InstName R6
SYMATTR Value 165K
SYMBOL res -816 1680 R0
SYMATTR InstName R5
SYMATTR Value 383K
SYMBOL cap -912 1456 R0
WINDOW 123 24 53 Left 2
WINDOW 3 39 31 Left 2
SYMATTR Value2 x2
SYMATTR Value 4.7
SYMATTR InstName C5
SYMBOL LT8253A 48 1904 R0
SYMATTR InstName U1
SYMBOL ind 112 1296 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1
SYMATTR SpiceLine Rser=13m
SYMBOL res -272 1968 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL cap -160 2480 R0
SYMATTR InstName C9
SYMATTR Value 10n
SYMBOL voltage -1104 1440 M0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 100u 8 2m 8 2.1m 11 3m 11 3.1m 12 4m 12 4.1m 13 5m 13 5.1m 24 10m 24)
SYMBOL cap -464 1872 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 4.7
SYMBOL cap 32 2560 R0
WINDOW 39 24 77 Left 2
SYMATTR InstName C1
SYMATTR Value 2200p
SYMBOL schottky -400 1312 R0
SYMATTR InstName D2
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -560 1456 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C8
SYMATTR Value .1
SYMBOL nmos 800 1488 M270
WINDOW 0 106 22 VRight 2
WINDOW 3 75 -39 VRight 2
SYMATTR InstName Q1
SYMATTR Value BSC032NE2LS
SYMBOL cap 832 1712 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C11
SYMATTR Value 1
SYMBOL res 96 1264 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 5m
SYMBOL cap -816 1680 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C12
SYMATTR Value .47
SYMBOL nmos 496 1456 R0
WINDOW 0 57 31 Left 2
WINDOW 3 60 64 Left 2
SYMATTR InstName Q2
SYMATTR Value BSC032NE2LS
SYMBOL cap -400 2064 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value .47
SYMBOL schottky 368 1312 R0
SYMATTR InstName D1
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 416 1456 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL res 224 2448 R0
SYMATTR InstName R3
SYMATTR Value 59K
SYMBOL nmos -592 1456 M0
WINDOW 0 4 28 Right 2
WINDOW 3 3 61 Right 2
SYMATTR InstName Q4
SYMATTR Value BSZ065N06LS5
SYMBOL cap 1136 1456 R0
WINDOW 123 24 77 Left 2
SYMATTR InstName C3
SYMATTR Value 22
SYMATTR SpiceLine Rser=5m
SYMBOL cap 848 1456 R0
WINDOW 3 39 31 Left 2
WINDOW 123 26 52 Left 2
SYMATTR Value 22
SYMATTR Value2 x2
SYMATTR InstName C13
SYMATTR SpiceLine Rser=5m
SYMBOL res 1088 1984 R0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL nmos -784 1488 R270
WINDOW 0 107 44 VBottom 2
WINDOW 3 52 48 VTop 2
SYMATTR InstName Q3
SYMATTR Value BSZ065N06LS5
SYMBOL res 1088 1872 R0
SYMATTR InstName R2
SYMATTR Value 110K
SYMBOL res 32 2448 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap -1024 1456 R0
WINDOW 123 24 57 Left 2
WINDOW 3 42 35 Left 2
SYMATTR Value2 x1
SYMATTR Value 22
SYMATTR InstName C2
SYMBOL res 1232 1440 R0
SYMATTR InstName Rload
SYMATTR Value 3
FLAG -1008 1552 0
FLAG 48 2640 0
FLAG 1152 1552 0
FLAG 1248 1440 OUT
FLAG 1248 1552 0
FLAG 240 2560 0
FLAG 544 1568 0
FLAG -1104 1552 0
FLAG -1104 1440 IN
FLAG -800 1904 0
FLAG 384 2352 0
FLAG -896 1552 0
FLAG -544 1888 0
FLAG -480 2080 0
FLAG -272 2352 0
FLAG -640 1568 0
FLAG -144 2560 0
FLAG 1104 2096 0
FLAG 896 1696 0
FLAG -896 1696 0
FLAG 864 1552 0
FLAG -320 1888 intvcc
FLAG -320 2080 vref
FLAG -176 1280 sw1
FLAG 272 1280 sw2
FLAG -320 1536 bg1
FLAG -320 1616 tg1
FLAG 416 1536 bg2
FLAG 416 1616 tg2
TEXT 608 2176 Left 2 !.tran 10m startup
TEXT 32 1200 Bottom 2 ;LT8253A - 40V 2MHz Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum\nHigh Efficiency 48W 2MHz Buck-Boost Voltage Regulator\nInput: 4V to 24V, 60V Trans       Output: 12V @ 4A, Fsw = 2MHz
TEXT -496 2648 Left 2 ;Note:\n  If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n  It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n  Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n  Contact your local sales representative for assistance. This circuit is distributed to customers only for use with ADI parts.\n  Copyright  2018 Analog Devices. All rights reserved.