* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3870-1.asc
* Generated by LTspice 26.0.1 for Windows.
* Please read the following notes carefully, since the model presents different user interface\nthan the real part.\n \n(1) All PMBus communication and memory address related functions and pins are not modeled. \n \n(2) Changes to parameter values during simulation run will not have any effect, unless the\nsimulation is stopped and restarted. This is different from the operation of the part, which will\n respond to the commanded changes while running. \n \n(3) Share_clk is not modeled. The default time reference of LTspice is used as the common time \nbase for all time related parameters.\n \n(4) The following parameters can be defined, by right-clicking the symbol of LTC3887. Different \nnomenclature from the datasheet is adopted here. If any value of these parameters are set beyond \nthe scope discribed in the datasheet, the resulting simulation outcomes are not meaningful.\n \n VIN_ON & VIN_OFF -- in volts, set the unit start/stop input voltages;\n Freq -- in Hz, sets switching frequency as one of values of 250K, 350K, \n 425K, 500K, 575K, 650K, 750K, 1000K. FREQ_CFG pin needs to float \n (or short to VDD25), to make the value be in effect;\n PHs_0 & PHs_1 -- in degree, set phase angle related to SYNC signal. \n Certain combinations are restricted as in datasheet. FREQ_CFG \n pin needs to float (or short to VDD25), to make the value be in effect;\n Ton0_delay & Ton0_rise; Ton1_delay & Ton1_rise -- in sec, set delay and soft-start timers for \n channel0 and channel1. Initialization time is not modeled;\n Toff0_delay & Toff0_fall; Toff1_delay & Toff1_fall -- in sec, set delay and soft-off timers for \n channel0 and channel1;\n Vout_0 & Vout_1 -- in volt, set output voltages respectively;\n Vout0_range & Vout1_range -- set maximum output range, with value 0\n 5.5V; value 1 for 2.75V\n Ilim0_range & Ilim1_range -- set maximum sensed peak current range, with value 0\n for low 50mV, and 1 for high 75mV;\n OC_limit0 & OC_limit1 -- set ratio of peak current limit to the maximum value defined\n by Ilimit_range. It must be one of values: 0.5, 0.572, 0.642, \n 0.714, 0.786, 0.858, 0.928, 1;\n Mode_II -- sets light load operation mode: 0 for discontinuous, 2 for forced continuous;\n Fault_response -- sets the response mode of the unit to occuring faults:\n 0 for ignore, 1 for latch up, 2 for Hiccup after Retry_delay time;\n Retry_delay -- in sec, sets the timer before the unit turns on after a fault;
* Library below included based on ModelFile attribute of instance XU4 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC3870-1.asy)
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC3887-1.asy)
* Library below included based on ModelFile attribute of instance XU2, XU3, XU5, XU6 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC4449.asy)
C14 N025 N029 .1
C1 N001 N006 .1
C6 N015 0 4700p Rser=4.99K Cpar=220p
XU5 MP_13 MP_14 N027 N029 N033 0 N032 N023 N023 N025 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
MQ1 IN N004 N006 N006 RJK0305DPB
C3 N013 OUT0 .22
C11 N022 0 1
R5 N029 N035 1.58K
R3 N016 N020 10K
R12 OUT0 0 .045
C10 N020 0 1
C13 N035 OUT0 .22
L2 N006 OUT1 1 Rser=2.3m
C7 N003 N007 .1
L4 N028 OUT1 1 Rser=2.3m
XU4 0 N035 OUT0 N019 N018 OUT1 N034 0 N014 N036 N023 N021 0 N031 MP_07 N023 MP_08 NC_09 N023 IN MP_10 N023 MP_11 N032 N018 N019 MP_12 N015 0 LTC3870-1 ;pnba Mode0)Isense0+)Isense0-)Run0)Run1)Isense1-)Isense1+)Mode1)Ith1)Freq)Ilim)SYNC)PhasMD)PWM1))Vcc1))ExtVcc)IntVcc)Vin))Vcc0))PWM0)_Fault1)_Fault0))Ith0)GND
V1 IN 0 12
C2 N023 0 1
L3 N029 OUT0 .56 Rser=1.61m
R13 N022 N019 10K
D4 N023 N024 CMDSH2-3
C4 N014 0 2200p Rser=6.04K Cpar=220p
C9 OUT0 0 530 X2 Rser=5m
C12 0 N002 1
R6 N021 N022 4.99K
XU3 MP_05 MP_06 N004 N006 N008 0 N009 N002 N002 N001 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
C5 OUT1 0 530 X2 Rser=5m
XU1 OUT0 0 N012 OUT1 N015 N013 OUT0 N021 NC_01 0 N010 N002 IN N019 N018 N002 N017 NC_02 N016 N002 N009 N020 OUT1 N022 N014 LTC3887-1 VIN_ON=5.5 VIN_OFF=5 Vout_0=1.8 Vout_1=2.5 Ilim0_range=1 Ilim1_range=1 OC_limit0=1 OC_limit1=1 Mode_ll=2 Fault_response=0 Retry_delay=.1m Freq=500K PHs_0=0 PHs_1=180 Ton0_delay=.3m Ton0_rise=.5m Ton1_delay=.3m Ton1_rise=.5m Toff0_delay=.2m Toff0_fall=.3m Toff1_delay=.2m Toff1_fall=.3m Vout0_range=0 Vout1_range=0 ;pnba Vsense0+)Vsense0-)Isense1+)Isense1-)Ith0)Isense0+)Isense0-)SYNC)PHAS_CFG)SGND)PWM0)Vcc0)Vin)Run0)Run1)IntVcc)Freq_cfg)Vout0_cfg)Vout1_cfg)Vcc1)PWM1)VDD25)Vsense1)VDD33)Ith1
C16 N024 N028 .1
MQ4 N007 N011 0 0 RJK0301DPB
R7 N018 N022 10K
D1 N002 N001 CMDSH2-3
R4 0 N016 15.8k
R8 N036 0 100K
R9 N017 N020 30.1K
MQ2 N006 N008 0 0 RJK0301DPB
L1 N007 OUT0 .56 Rser=1.61m
D2 N002 N003 CMDSH2-3
C15 N034 OUT1 .22
XU2 MP_03 MP_04 N005 N007 N011 0 N010 N002 N002 N003 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
R14 N028 N034 2K
C8 N012 OUT1 .22
R10 0 N017 3.57K
XU6 MP_15 MP_16 N026 N028 N030 0 N031 N023 N023 N024 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
MQ3 IN N005 N007 N007 RJK0305DPB
R2 OUT1 0 .0825
R11 N006 N012 2K
MQ8 N028 N030 0 0 RJK0301DPB
D3 N023 N025 CMDSH2-3
R1 N007 N013 1.58K
MQ6 N029 N033 0 0 RJK0301DPB
MQ5 IN N027 N029 N029 RJK0305DPB
MQ7 IN N026 N028 N028 RJK0305DPB
.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 1.1m startup
.lib LTC3870-1.sub
.lib LTC3887-1.sub
.lib LTC4449.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
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SYMBOL nmos 1040 1072 R0
SYMATTR InstName Q5
SYMATTR Value RJK0305DPB
SYMBOL res -560 96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 2K
SYMBOL res 704 496 R0
SYMATTR InstName R10
SYMATTR Value 3.57K
SYMBOL PowerProducts\\LTC3887-1 208 272 R0
SYMATTR InstName U1
SYMATTR SpiceLine VIN_ON=5.5 VIN_OFF=5 Vout_0=1.8 Vout_1=2.5 Ilim0_range=1 Ilim1_range=1 OC_limit0=1 OC_limit1=1 Mode_ll=2 Fault_response=0 Retry_delay=.1m
SYMBOL cap 928 1040 R0
SYMATTR InstName C14
SYMATTR Value .1
SYMBOL res -176 736 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL cap 464 448 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 54 90 VTop 2
SYMATTR InstName C6
SYMATTR Value 4700p
SYMATTR SpiceLine Rser=4.99K Cpar=220p
SYMBOL cap -416 96 R0
SYMATTR InstName C8
SYMATTR Value .22
SYMBOL ind -784 1232 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 1
SYMATTR SpiceLine Rser=2.3m
SYMBOL nmos -656 1232 M0
WINDOW 0 2 6 Right 2
WINDOW 3 25 107 Right 2
SYMATTR InstName Q8
SYMATTR Value RJK0301DPB
SYMBOL ind -672 -96 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1
SYMATTR SpiceLine Rser=2.3m
SYMBOL res 992 96 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1.58K
SYMBOL cap -432 -288 R0
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL cap -256 912 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL cap 816 -288 R0
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL cap -320 752 R0
SYMATTR InstName C10
SYMATTR Value 1
SYMBOL res -320 496 R0
SYMATTR InstName R4
SYMATTR Value 15.8k
SYMBOL PowerProducts\\LTC4449 752 1232 R0
SYMATTR InstName U5
SYMBOL schottky -80 -320 M270
WINDOW 3 -4 37 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -544 1040 R0
SYMATTR InstName C16
SYMATTR Value .1
SYMBOL PowerProducts\\LTC4449 -224 -96 M0
SYMATTR InstName U3
SYMBOL ind 1072 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value .56
SYMATTR SpiceLine Rser=1.61m
SYMBOL cap -48 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 54 90 VTop 2
SYMATTR InstName C4
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=6.04K Cpar=220p
SYMBOL cap 816 96 R0
SYMATTR InstName C3
SYMATTR Value .22
SYMBOL cap 1232 -96 R0
WINDOW 123 23 81 Left 2
SYMATTR Value2 X2
SYMATTR InstName C9
SYMATTR Value 530
SYMATTR SpiceLine Rser=5m
SYMBOL nmos 928 -256 R0
SYMATTR InstName Q3
SYMATTR Value RJK0305DPB
SYMBOL ind 1184 1232 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value .56
SYMATTR SpiceLine Rser=1.61m
SYMBOL res 48 1760 R0
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL PowerProducts\\LTC3870-1 208 1360 R0
SYMATTR InstName U4
SYMBOL res 1344 -112 R0
SYMATTR InstName R12
SYMATTR Value .045
SYMBOL nmos 1040 1232 R0
WINDOW 0 88 8 Right 2
WINDOW 3 199 91 Right 2
SYMATTR InstName Q6
SYMATTR Value RJK0301DPB
SYMBOL PowerProducts\\LTC4449 640 -96 R0
SYMATTR InstName U2
SYMBOL nmos -544 -96 M0
WINDOW 0 2 6 Right 2
WINDOW 3 25 107 Right 2
SYMATTR InstName Q2
SYMATTR Value RJK0301DPB
SYMBOL res 528 864 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R13
SYMATTR Value 10K
SYMBOL schottky -192 1008 M270
WINDOW 3 -4 37 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D4
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LTC4449 -336 1232 M0
SYMATTR InstName U6
SYMBOL cap -544 1424 R0
SYMATTR InstName C15
SYMATTR Value .22
SYMBOL schottky 608 1008 R270
WINDOW 3 -4 37 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -1008 -112 R0
SYMATTR InstName R2
SYMATTR Value .0825
SYMBOL voltage -896 -384 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 1104 1424 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 1.58K
SYMBOL nmos -544 -256 M0
WINDOW 0 -24 6 Left 2
WINDOW 3 -119 101 Left 2
SYMATTR InstName Q1
SYMATTR Value RJK0305DPB
SYMBOL cap 928 1424 R0
SYMATTR InstName C13
SYMATTR Value .22
SYMBOL nmos -656 1072 M0
WINDOW 0 -24 6 Left 2
WINDOW 3 -119 101 Left 2
SYMATTR InstName Q7
SYMATTR Value RJK0305DPB
SYMBOL cap -896 -96 R0
WINDOW 123 24 81 Left 2
SYMATTR Value2 X2
SYMATTR InstName C5
SYMATTR Value 530
SYMATTR SpiceLine Rser=5m
SYMBOL res 240 752 R0
SYMATTR InstName R6
SYMATTR Value 4.99K
SYMBOL res -320 608 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 704 608 R0
SYMATTR InstName R9
SYMATTR Value 30.1K
SYMBOL res -688 1424 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 2K
SYMBOL nmos 928 -96 R0
WINDOW 0 88 8 Right 2
WINDOW 3 199 91 Right 2
SYMATTR InstName Q4
SYMATTR Value RJK0301DPB
SYMBOL cap 144 768 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 1
SYMBOL cap 192 -304 R0
SYMATTR InstName C12
SYMATTR Value 1
SYMBOL schottky 496 -320 R270
WINDOW 3 -4 37 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
FLAG 352 -192 0
FLAG -592 16 0
FLAG -128 464 0
FLAG -880 0 0
FLAG -992 0 0
FLAG -992 -112 OUT1
FLAG -896 -384 IN
FLAG -896 -272 0
FLAG -304 496 0
FLAG 720 496 0
FLAG 544 464 0
FLAG 976 16 0
FLAG 1248 0 0
FLAG 1360 0 0
FLAG 1360 -112 OUT0
FLAG 448 368 0
FLAG -304 832 0
FLAG 64 784 0
FLAG 208 -320 0
FLAG -224 64 0
FLAG 640 64 0
FLAG 400 944 0
FLAG 480 1120 0
FLAG -64 1120 0
FLAG 208 1776 0
FLAG -336 928 0
FLAG 1088 1344 0
FLAG 752 1392 0
FLAG 64 1872 0
FLAG -704 1344 0
FLAG -336 1392 0
TEXT 664 1784 Left 2 !.tran 1.1m startup
TEXT 1472 -344 Left 2 ;Please read the following notes carefully, since the model presents different user interface\nthan the real part.\n \n(1) All PMBus communication and memory address related functions and pins are not modeled. \n \n(2) Changes to parameter values during simulation run will not have any effect, unless the\nsimulation is stopped and restarted. This is different from the operation of the part, which will\n respond to the commanded changes while running. \n \n(3) Share_clk is not modeled. The default time reference of LTspice is used as the common time \nbase for all time related parameters.\n \n(4) The following parameters can be defined, by right-clicking the symbol of LTC3887. Different \nnomenclature from the datasheet is adopted here. If any value of these parameters are set beyond \nthe scope discribed in the datasheet, the resulting simulation outcomes are not meaningful.\n \n     VIN_ON & VIN_OFF -- in volts, set the unit start/stop input voltages;\n     Freq -- in Hz, sets switching frequency as one of values of 250K, 350K, \n                425K, 500K, 575K, 650K, 750K, 1000K. FREQ_CFG pin needs to float \n                (or short to VDD25), to make the value be in effect;\n     PHs_0 & PHs_1 -- in degree,  set phase angle related to SYNC signal. \n                Certain combinations are restricted as in datasheet. FREQ_CFG \n                pin needs to float (or short to VDD25), to make the value be in effect;\n     Ton0_delay & Ton0_rise; Ton1_delay & Ton1_rise -- in sec, set delay and soft-start timers for \n                channel0 and channel1. Initialization time is not modeled;\n     Toff0_delay & Toff0_fall; Toff1_delay & Toff1_fall -- in sec, set delay and soft-off timers for \n                channel0 and channel1;\n     Vout_0 & Vout_1 -- in volt, set output voltages respectively;\n     Vout0_range & Vout1_range -- set maximum output range, with value 0\n                                                      5.5V; value 1 for 2.75V\n     Ilim0_range & Ilim1_range -- set maximum sensed peak current range, with value 0\n                           for low 50mV, and 1 for high 75mV;\n     OC_limit0 & OC_limit1 -- set ratio of peak current limit to the maximum value defined\n                      by Ilimit_range. It must be one of values: 0.5, 0.572, 0.642, \n                      0.714, 0.786, 0.858, 0.928, 1;\n     Mode_II -- sets light load operation mode: 0 for discontinuous, 2 for forced continuous;\n     Fault_response -- sets the response mode of the unit to occuring faults:\n                                 0 for ignore, 1 for latch up, 2 for Hiccup after Retry_delay time;\n     Retry_delay -- in sec, sets the timer before the unit turns on after a fault;