* Z:\home\khalils\Downloads\files\data\raw_asc\fra_eg4_LT7170-1.asc
* Generated by LTspice 26.0.1 for Windows.
* The following parameters can be defined by right-clicking on the LT7170-1 symbol.\n \nFREQUENCY_SWITCH -- in Hz, sets switching frequency\n \nVout_range -- sets maximum output range, 0 for 1.375V, 1 for 2.75V, 2 for 5.5V\n \nVOUT_COMMAND -- in volt, sets output voltage\n \nTon_delay & Ton_rise -- in sec, set ON delay and soft-start time\nToff_delay & Toff_fall -- in sec, set OFF delay and soft-off time \nMFR_PWM_THRSHOLD, Output voltage threshold to determine that the output has decayed sufficiently to reenable the channel\n \nIlim_range -- sets current limit options:\n 0 positive valley current limit of 6A per phase, negative valley current limit of -3.5A\n 1 positive valley current limit of 8A per phase, negative valley current limit of -5A\n 2 positive valley current limit of 10.5A per phase, negative valley current limit of -6A\n 3 positive valley current limit of 13A per phase, negative valley current limit of -7.5A \n \nGMEA_control--Sets Error Amp parameters, N=0 to 31\n GmEA = 0.15mS*(N+1)\n \nRITH--in ohm, programmable internal compensation\n \nCITH--in Farad, programmable internal compensation\n \nMFR_PWM_PHASE-- in degree, sets the master phase delay in 15-degree increments with respect to the SYNC frequency if present.\n \nOutput_discharge--0 for disabled, 1 for enabled \n \nVout_UV_Fault_Limit and Vout_OV_Fault_Limit --- in volt, set the undervoltage and overvoltage fault limit for the Pgood output\nVout_UV_Warn_Limit and Vout_OV_Warn_Limit-- in volt, set the undervoltage and overvoltage warning limit for the Alert output
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LT7170-1.asy)
@1 OUT VSENSEP delay=300u fstart=32k fend=512k oct=2 fcoarse=64k nmax=1 2 128k 2 129k 1 pp0=40m pp1=5m f0=45k f1=360k tavgmin=100u tsettle=20u
R1 EXTVCC PGOOD 4700
CP OUT 0 250p
C17[2] N002 0 {100u*0.5}
LC17[1] P001 N002 240p
C17[3] N002 0 {100u*0.5}
RC17[4] OUT P001 2.5m
LC17[2] P001 N002 240p
C2 0 DRVCC 10
C4 BOOST1 SW1 .1
LC17[4] P001 N002 240p
LC17[3] P001 N002 240p
RC17[2] OUT P001 2.5m
LC15[1] P002 N001 500p
R3 EXTVCC /ALERT 4700
XU1 PVIN SW0 0 SW1 BOOST0 BOOST1 DRVCC INTVCC EXTVCC VDD18 /ALERT 0 VSENSEP 0 EXTVCC PGOOD NC_01 0 LT7170-1 FREQUENCY_SWITCH=1Meg VOUT_RANGE=0 VOUT_COMMAND=1 TON_DELAY=.01m TON_RISE=0.1m TOFF_DELAY=.2m TOFF_FALL=.3m ILIM_RANGE=1 PulseSkipMode=0 GMEA_CONTROL=7 RITH=20k CITH=280p MFR_PWM_PHASE=0 OUTPUT_DISCHARGE=0 VOUT_UV_FAULT_LIMIT=0.95 VOUT_OV_FAULT_LIMIT=1.05 VOUT_UV_WARN_LIMIT=0.9750 VOUT_OV_WARN_LIMIT=1.025 TOFF_FALL_FCM=1 VIN_ON=1.4 VIN_OFF=1.35 ;pnba PVIN)SW0)SGND)SW1)BOOST0)BOOST1)DRVCC)INTVCC)EXTVCC)VDD18)_ALERT)PGND)VSENSEP)VSENSEN)RUN)PGOOD)VOUT_CFG)SYNC/PWM_CFG
RC17[3] OUT P001 2.5m
L0 SW0 OUT 400n Ipk=15.5 Rser=0.0032 Rpar=657.88 Cpar=0 mfg="Coilcraft" pn="XGL4030-401"
RC17[1] OUT P001 2.5m
C15[2] N001 0 {10u*0.7}
C15[1] N001 0 {10u*0.7}
RLOAD OUT 0 0.125
RC15[1] OUT P002 2m
V1 PVIN 0 12
L1 SW1 OUT 400n Ipk=15.5 Rser=0.0032 Rpar=657.88 Cpar=0 mfg="Coilcraft" pn="XGL4030-401"
RC15[2] OUT P002 2m
C6 BOOST0 SW0 .1
LC15[2] P002 N001 500p
C17[4] N002 0 {100u*0.5}
C1 0 VDD18 1
C3 0 INTVCC 10
V3 EXTVCC 0 5
C17[1] N002 0 {100u*0.5}
.fra
.lib LT7170-1.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2972 1188
WIRE -208 -288 -224 -288
WIRE 0 -288 -128 -288
WIRE 32 -288 0 -288
WIRE 512 -288 448 -288
WIRE 512 -272 512 -288
WIRE -16 -192 -96 -192
WIRE 32 -192 -16 -192
WIRE 480 -192 448 -192
WIRE 512 -192 512 -208
WIRE 512 -192 480 -192
WIRE 560 -192 512 -192
WIRE 656 -192 640 -192
WIRE 736 -192 656 -192
WIRE 816 -192 736 -192
WIRE 896 -192 816 -192
WIRE 1104 -192 896 -192
WIRE 1328 -192 1104 -192
WIRE -112 -96 -128 -96
WIRE -16 -96 -48 -96
WIRE 32 -96 -16 -96
WIRE 512 -96 448 -96
WIRE 512 -80 512 -96
WIRE 816 -48 816 -192
WIRE 896 -16 896 -32
WIRE 1104 -16 1104 -32
WIRE -112 0 -128 0
WIRE -16 0 -48 0
WIRE 32 0 -16 0
WIRE 480 0 448 0
WIRE 512 0 512 -16
WIRE 512 0 480 0
WIRE 560 0 512 0
WIRE 656 0 656 -192
WIRE 656 0 640 0
WIRE 816 64 816 16
WIRE 896 64 896 48
WIRE 1104 64 1104 48
WIRE 32 96 -256 96
WIRE 528 96 448 96
WIRE 640 96 528 96
WIRE 1328 96 1328 -192
WIRE 1328 96 704 96
WIRE -256 128 -256 96
WIRE -112 192 -128 192
WIRE -16 192 -48 192
WIRE 32 192 -16 192
WIRE 1328 192 1328 176
WIRE 1328 192 448 192
WIRE 1328 224 1328 192
WIRE 496 288 448 288
WIRE 592 288 496 288
WIRE 720 288 672 288
WIRE 800 288 720 288
WIRE 32 384 0 384
WIRE 528 384 448 384
WIRE 592 384 528 384
WIRE 720 384 720 288
WIRE 720 384 672 384
WIRE 160 480 160 464
WIRE 320 480 320 464
SYMBOL res 880 -208 R0
SYMATTR InstName RC15[1:2]
SYMATTR Value 2m
SYMBOL cap 1088 -16 R0
SYMATTR InstName C17[1:4]
SYMATTR Value {100u*0.5}
SYMBOL cap 496 -272 R0
WINDOW 3 23 47 Left 2
SYMATTR Value .1
SYMATTR InstName C6
SYMBOL cap -112 -16 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10
SYMBOL res 688 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4700
SYMBOL cap 832 -48 M0
SYMATTR InstName CP
SYMATTR Value 250p
SYMBOL res 1088 -208 R0
SYMATTR InstName RC17[1:4]
SYMATTR Value 2.5m
SYMBOL fra 640 96 M270
WINDOW 0 16 -24 VTop 2
SYMATTR InstName @1
SYMATTR SpiceLine delay=300u fstart=32k fend=512k oct=2 fcoarse=64k nmax=1 2 128k 2 129k 1 pp0=40m pp1=5m f0=45k f1=360k tavgmin=100u tsettle=20u
SYMBOL res 1312 80 R0
SYMATTR InstName RLOAD
SYMATTR Value 0.125
SYMBOL cap -112 -112 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL ind 544 16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 400n
SYMATTR SpiceLine Ipk=15.5 Rser=0.0032 Rpar=657.88 Cpar=0 mfg="Coilcraft" pn="XGL4030-401"
SYMBOL ind 544 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L0
SYMATTR Value 400n
SYMATTR SpiceLine Ipk=15.5 Rser=0.0032 Rpar=657.88 Cpar=0 mfg="Coilcraft" pn="XGL4030-401"
SYMBOL cap 496 -80 R0
WINDOW 3 22 50 Left 2
SYMATTR Value .1
SYMATTR InstName C4
SYMBOL LT7170-1 240 0 R0
SYMATTR InstName U1
SYMATTR SpiceLine FREQUENCY_SWITCH=1Meg VOUT_RANGE=0 VOUT_COMMAND=1 TON_DELAY=.01m TON_RISE=0.1m TOFF_DELAY=.2m TOFF_FALL=.3m ILIM_RANGE=1 PulseSkipMode=0 GMEA_CONTROL=7 RITH=20k CITH=280p
SYMATTR SpiceLine2 MFR_PWM_PHASE=0 OUTPUT_DISCHARGE=0 VOUT_UV_FAULT_LIMIT=0.95 VOUT_OV_FAULT_LIMIT=1.05 VOUT_UV_WARN_LIMIT=0.9750 VOUT_OV_WARN_LIMIT=1.025 TOFF_FALL_FCM=1 VIN_ON=1.4 VIN_OFF=1.35
SYMBOL ind 1088 -128 R0
SYMATTR InstName LC17[1:4]
SYMATTR Value 240p
SYMBOL res 688 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 4700
SYMBOL voltage -112 -288 R90
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -112 176 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 10
SYMBOL cap 880 -16 R0
SYMATTR InstName C15[1:2]
SYMATTR Value {10u*0.7}
SYMBOL voltage -256 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL ind 880 -128 R0
SYMATTR InstName LC15[1:2]
SYMATTR Value 500p
FLAG 320 480 0
FLAG 160 480 0
FLAG -128 -96 0
FLAG -224 -288 0
FLAG -128 0 0
FLAG -128 192 0
FLAG -256 208 0
FLAG 512 -288 BOOST0
FLAG 480 -192 SW0
FLAG 480 0 SW1
FLAG 512 -96 BOOST1
FLAG 0 384 0
FLAG 800 288 EXTVCC
FLAG 528 384 /ALERT
FLAG -16 -96 VDD18
FLAG -16 192 INTVCC
FLAG -16 0 DRVCC
FLAG 0 -288 PVIN
FLAG 496 288 PGOOD
FLAG -256 96 EXTVCC
FLAG 528 96 VSENSEP
FLAG 1328 224 0
FLAG 736 -192 OUT
FLAG -16 -192 EXTVCC
FLAG 1104 64 0
FLAG 896 64 0
FLAG 816 64 0
TEXT -352 -1256 Left 2 ;The following parameters can be defined by right-clicking on the LT7170-1 symbol.\n \nFREQUENCY_SWITCH -- in Hz, sets switching frequency\n \nVout_range -- sets maximum output range, 0 for 1.375V, 1 for 2.75V, 2 for 5.5V\n \nVOUT_COMMAND -- in volt, sets output voltage\n \nTon_delay & Ton_rise -- in sec, set ON delay and soft-start time\nToff_delay & Toff_fall -- in sec, set OFF delay and soft-off time \nMFR_PWM_THRSHOLD, Output voltage threshold to determine that the output has decayed sufficiently to reenable the channel\n \nIlim_range -- sets current limit options:\n   0 positive valley current limit of 6A per phase, negative valley current limit of -3.5A\n   1 positive valley current limit of 8A per phase, negative valley current limit of -5A\n   2 positive valley current limit of 10.5A per phase, negative valley current limit of -6A\n   3 positive valley current limit of 13A per phase, negative valley current limit of -7.5A         \n     \nGMEA_control--Sets Error Amp parameters, N=0 to 31\n     GmEA = 0.15mS*(N+1)\n \nRITH--in ohm, programmable internal compensation\n \nCITH--in Farad, programmable internal compensation\n \nMFR_PWM_PHASE-- in degree, sets the master phase delay in 15-degree increments with respect to the SYNC frequency if present.\n \nOutput_discharge--0 for disabled, 1 for enabled \n \nVout_UV_Fault_Limit and Vout_OV_Fault_Limit --- in volt, set the undervoltage and  overvoltage fault limit for the Pgood output\nVout_UV_Warn_Limit and Vout_OV_Warn_Limit-- in volt, set the undervoltage and  overvoltage warning limit for the Alert output
TEXT 952 320 Left 2 !.fra