* Z:\home\khalils\Downloads\files\data\raw_asc\LTP8803-1A.asc
* Generated by LTspice 26.0.1 for Windows.
* 120A static load
* 40A switched load
* *********************************************************************************************************************\n**************************************************READ ME *******************************************************\n*********************************************************************************************************************\n \nThis model does include PMBus functionality. Many parameters set by PMBus are configured by right-clicking on the model.\nHowever, please be aware that:\n-These parameters can only be set before a simulation is performed. \n-The argument for each parameter is a single decimal number (There is no need to separately set exponent and mantissa, as in VOUT_COMMAND, for example)\n-As a consequence of the above, parameters may be set with a precision that is not realisable in the actual hardware. \n-There is no error checking for parameters that are out-of-range.\n \n*********************THE FOLLOWING PARAMETERS ARE AVAILABLE TO CHANGE*********************\n \nNM_DIGFILT_POLE_SETTING\nNM_DIGFILT_ZERO_SETTING\nNM_DIGFILT_HF_GAIN_SETTING\nNM_DIGFILT_LF_GAIN_SETTING\nFREQUENCY_SWITCH\nVIN_ON\nVIN_OFF\nTON_RISE\nTON_DELAY\nVOUT_SCALE_LOOP\nVOUT_COMMAND\n \n*********************************************OTHER FUNCTIONS THAT ARE NOT MODELED *******************************************\n \n-Influence of voltage feed-forward (VFF pin) on the control loop\n-fault handling\n-over-current conditions and regulation\n-startup behaviour (given the timescales involved, it is also generally impractical to simulate this)
* 1.15V at 160A
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTP8803-1A.asy)
V1 N003 0 PULSE(0 5 400u 1u 1u 100u 1m 1)
V5 IN 0 PWL(0 0 20u 54.5)
R11 OUT N002 1.30k tol=500
C4 N002 N006 100p
C1 OUT 0 100 Rser=2.9m X8
R3 OUT N004 27.75m
R4 OUT 0 9.58m
R2 N007 0 10k
V4 N005 0 PWL(0 0 1u 3.3)
V6 N001 0 PWL(0 0 1u 7)
XU1 N001 NC_01 IN OUT N002 N006 N007 N005 0 LTP8803-1A VIN_ON=40 VIN_OFF=30 TON_RISE=100u TON_DELAY=10u VOUT_SCALE_LOOP=(1/2.3) VOUT_COMMAND=1.15 NM_DIGFILT_POLE_SETTING=68 NM_DIGFILT_ZERO_SETTING=226 NM_DIGFILT_HF_GAIN_SETTING=109 NM_DIGFILT_LF_GAIN_SETTING=12 FREQUENCY_SWITCH=600k ;pnba 7V0)ISHARE)Vin)Vout)Vs+)Vs-)SYNC)3V3)GND
R6 0 N006 7.5
R12 N002 0 1.00k
S1 0 N004 N003 0 SSW
C2 OUT 0 560 Rser=3m X10
.tran 600u startup
.model SSW SW(ron=1m roff=100Meg Vt=1 Vh=10m)
.lib LTP8803-1A.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 4580 2664
WIRE 416 -32 -32 -32
WIRE 448 -32 416 -32
WIRE 816 -32 768 -32
WIRE 1168 -32 816 -32
WIRE 1280 -32 1168 -32
WIRE 1472 -32 1280 -32
WIRE 1632 -32 1472 -32
WIRE 1840 -32 1632 -32
WIRE 1168 -16 1168 -32
WIRE -32 16 -32 -32
WIRE 1840 16 1840 -32
WIRE 448 80 192 80
WIRE 912 80 768 80
WIRE 1168 80 1168 64
WIRE 1168 80 912 80
WIRE 1280 80 1280 -32
WIRE 1472 80 1472 -32
WIRE 1632 80 1632 -32
WIRE 912 96 912 80
WIRE 1168 96 1168 80
WIRE 192 128 192 80
WIRE 2032 128 1952 128
WIRE -32 160 -32 96
WIRE 1840 160 1840 96
WIRE 2032 160 2032 128
WIRE 1952 176 1952 128
WIRE 1952 176 1888 176
WIRE 448 192 336 192
WIRE 912 192 912 160
WIRE 912 192 768 192
WIRE 992 192 912 192
WIRE 1168 192 1168 176
WIRE 1168 192 1072 192
WIRE 1952 224 1888 224
WIRE 192 240 192 208
WIRE 336 240 336 192
WIRE 1168 272 1168 192
WIRE 1280 272 1280 144
WIRE 1472 272 1472 144
WIRE 1632 272 1632 160
WIRE 1840 272 1840 240
WIRE 1952 272 1952 224
WIRE 2032 272 2032 240
WIRE 880 304 768 304
WIRE 880 336 880 304
WIRE 336 352 336 320
WIRE 608 416 608 384
WIRE 880 448 880 416
SYMBOL cap 1456 80 R0
WINDOW 39 48 70 Left 2
WINDOW 0 50 14 Left 2
WINDOW 3 47 39 Left 2
WINDOW 40 49 92 Left 2
SYMATTR SpiceLine Rser=3m
SYMATTR InstName C2
SYMATTR Value 560
SYMATTR SpiceLine2 X10
SYMBOL res 1616 64 R0
SYMATTR InstName R4
SYMATTR Value 9.58m
SYMBOL voltage 192 112 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 28 4 Left 2
SYMATTR InstName V6
SYMATTR Value PWL(0 0 1u 7)
SYMBOL res 1184 -32 M0
SYMATTR InstName R11
SYMATTR Value 1.30k
SYMATTR SpiceLine tol=500
SYMBOL voltage -32 0 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PWL(0 0 20u 54.5)
SYMBOL res 1088 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 7.5
SYMBOL voltage 2032 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 400u 1u 1u 100u 1m 1)
SYMBOL res 1184 80 M0
SYMATTR InstName R12
SYMATTR Value 1.00k
SYMBOL voltage 336 224 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PWL(0 0 1u 3.3)
SYMBOL res 864 320 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL LTP8803-1A 608 240 R0
WINDOW 39 -158 319 Center 2
WINDOW 40 144 267 Center 2
SYMATTR InstName U1
SYMBOL sw 1840 256 R180
SYMATTR InstName S1
SYMATTR Value SSW
SYMBOL cap 928 96 M0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL res 1824 0 R0
SYMATTR InstName R3
SYMATTR Value 27.75m
SYMBOL cap 1264 80 R0
WINDOW 39 52 61 Left 2
WINDOW 0 56 9 Left 2
WINDOW 3 52 39 Left 2
WINDOW 40 55 83 Left 2
SYMATTR SpiceLine Rser=2.9m
SYMATTR InstName C1
SYMATTR Value 100
SYMATTR SpiceLine2 X8
FLAG 336 352 0
FLAG -32 160 0
FLAG 192 240 0
FLAG 880 448 0
FLAG 608 416 0
FLAG 1280 272 0
FLAG 1472 272 0
FLAG 1632 272 0
FLAG 1168 272 0
FLAG 416 -32 IN
FLAG 816 -32 OUT
FLAG 1840 272 0
FLAG 1952 272 0
FLAG 2032 272 0
TEXT 1176 408 Left 2 !.tran 600u startup
TEXT 1808 344 Left 2 !.model SSW SW(ron=1m roff=100Meg Vt=1 Vh=10m)
TEXT 1528 -80 Left 2 ;120A static load
TEXT 1904 0 Left 2 ;40A switched load
TEXT -64 -976 Left 2 ;*********************************************************************************************************************\n**************************************************READ ME *******************************************************\n*********************************************************************************************************************\n \nThis model does include PMBus functionality.  Many parameters set by PMBus are configured by right-clicking on the model.\nHowever, please be aware that:\n-These parameters can only be set before a simulation is performed.  \n-The argument for each parameter is a single decimal number (There is no need to separately set exponent and mantissa, as in VOUT_COMMAND, for example)\n-As a consequence of the above, parameters may be set with a precision that is not realisable in the actual hardware.  \n-There is no error checking for parameters that are out-of-range.\n \n*********************THE FOLLOWING PARAMETERS ARE AVAILABLE TO CHANGE*********************\n \nNM_DIGFILT_POLE_SETTING\nNM_DIGFILT_ZERO_SETTING\nNM_DIGFILT_HF_GAIN_SETTING\nNM_DIGFILT_LF_GAIN_SETTING\nFREQUENCY_SWITCH\nVIN_ON\nVIN_OFF\nTON_RISE\nTON_DELAY\nVOUT_SCALE_LOOP\nVOUT_COMMAND\n \n*********************************************OTHER FUNCTIONS THAT ARE NOT MODELED *******************************************\n \n-Influence of voltage feed-forward (VFF pin) on the control loop\n-fault handling\n-over-current conditions and regulation\n-startup behaviour (given the timescales involved, it is also generally impractical to simulate this)
TEXT 1320 -80 Left 2 ;1.15V at 160A