* Z:\home\khalils\Downloads\files\data\raw_asc\LTC3887-1.asc
* Generated by LTspice 26.0.1 for Windows.
* NOTES FOR SIMULATION\n \nPlease read the following notes carefully since the model behaves differently from the user \ninterface for the LTC3887-1.\n \n(1) PMBus communication and memory address related functions and pins are not modeled. \n(2) Changes to parameter values while the simulation is running will not take effect unless the\nsimulation is stopped and restarted. This is different from the way the part operates which will\nrespond to the changes while running. \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 \nDESCRIPTION OF PARAMETERS\n \nThe following parameters can be defined by right-clicking on the LTC3887-1 symbol.\nThe nomenclature used here differs from the one in the data sheet. If any value of these parameters is\nset beyond the scope described in the data sheet, the resulting simulation will not be meaningful.\n \nVIN_ON & VIN_OFF -- in volts, set the unit start/stop input voltages.\nVout_0 & Vout_1 -- in volt, set output voltages respectively.\nIlim0_range & Ilim1_range -- set maximum sensed peak current range, with value 0 for low 50mV and 1 for high 75mV.\nOC_limit0 & OC_limit1 -- set ratio of peak current limit to the maximum value defined by Ilimit_range.\n It must be one of values: 0.5, 0.572, 0.642, 0.714, 0.786, 0.858, 0.928, 1.\nMode_II -- sets light load operation mode: 0 for discontinuous, 2 for forced continuous.\nFault_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.\nRetry_delay -- in sec, sets the timer before the LTC3887-1 turns on after a fault.\n \nFreq -- in Hz, sets switching frequency as one of values of 250k, 350k, 425k, 500k, 575k, 650k, 750k, 1000k.\n FREQ_CFG pin needs to float or short to VDD25.\nPHs_0 & PHs_1 -- in degree, set phase angle related to SYNC signal. \n Certain combinations are restricted as in data sheet.\n FREQ_CFG pin needs to float or short to VDD25.\nTon0_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.\nToff0_delay & Toff0_fall; Toff1_delay & Toff1_fall -- in sec, set delay and soft-off timers for \n channel0 and channel1. \nVout0_range & Vout1_range -- set maximum output range, with value 0 for 5.5V, value 1 for 2.75V.
* 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 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC4449.asy)
R7 N016 N017 4.99k
R3 N018 N021 10K
R13 N023 N020 10K
R8 N015 N014 6.04k
C7 N003 N007 .1
C6 N015 0 220p
MQ2 N006 N008 0 0 RJK0301DPB
R10 0 N024 3.57K
C5 OUT1 0 530 Rser=5m
R12 OUT0 0 .025
MQ1 IN N004 N006 N006 RJK0305DPB
R11 N006 N012 2K
C9 OUT0 0 530 Rser=5m
R6 N022 N023 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
C3 N013 OUT0 .22
C2 N017 0 4.7n
C4 N014 0 2.2n
L2 N006 OUT1 1 Rser=2.3m
XU1 OUT0 0 N012 OUT1 N016 N013 OUT0 N022 NC_01 0 N010 N002 IN N020 N019 N002 N024 NC_02 N018 N002 N009 N021 OUT1 N023 N015 LTC3887-1 VIN_ON=5.5 VIN_OFF=5 Vout_0=0.5 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
R9 N024 N021 30.1K
MQ3 IN N005 N007 N007 RJK0305DPB
C12 0 N002 1
MQ4 N007 N011 0 0 RJK0301DPB
R4 0 N018 15.8K
C1 N001 N006 .1
L1 N007 OUT0 .56 Rser=1.61m
XU2 MP_03 MP_04 N005 N007 N011 0 N010 N002 N002 N003 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
V1 IN 0 12
C11 N023 0 1
D2 N002 N003 CMDSH2-3
R5 N019 N023 10K
D1 N002 N001 CMDSH2-3
C13 N016 0 220p
C8 N012 OUT1 .22
R2 OUT1 0 .165
C10 N021 0 1
R1 N007 N013 1.58K
.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 LTC3887-1.sub
.lib LTC4449.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2868 1188
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SYMBOL res 544 848 R180
WINDOW 0 -8 61 Right 2
WINDOW 3 -7 30 Right 2
SYMATTR InstName R13
SYMATTR Value 10K
SYMBOL nmos 928 -96 R0
WINDOW 0 88 8 Right 2
WINDOW 3 204 92 Right 2
SYMATTR InstName Q4
SYMATTR Value RJK0301DPB
SYMBOL res -112 448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 6.04k
SYMBOL nmos 928 -256 R0
SYMATTR InstName Q3
SYMATTR Value RJK0305DPB
SYMBOL res 928 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1.58K
SYMBOL res 1344 -112 R0
SYMATTR InstName R12
SYMATTR Value .025
SYMBOL res 672 1008 R180
WINDOW 0 -60 79 Left 2
WINDOW 3 -83 37 Left 2
SYMATTR InstName R10
SYMATTR Value 3.57K
SYMBOL cap -432 -288 R0
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL res -560 96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 2K
SYMBOL cap 48 752 R0
SYMATTR InstName C10
SYMATTR Value 1
SYMBOL cap -112 96 R0
SYMATTR InstName C8
SYMATTR Value .22
SYMBOL cap 448 480 R0
SYMATTR InstName C13
SYMATTR Value 220p
SYMBOL res 672 864 R180
WINDOW 0 -52 76 Left 2
WINDOW 3 -75 30 Left 2
SYMATTR InstName R9
SYMATTR Value 30.1K
SYMBOL cap 480 96 R0
SYMATTR InstName C3
SYMATTR Value .22
SYMBOL PowerProducts\\LTC4449 -224 -96 M0
SYMATTR InstName U3
SYMBOL schottky 512 -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
SYMBOL cap 816 -288 R0
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL cap 144 896 R0
SYMATTR InstName C11
SYMATTR Value 1
SYMBOL res -144 736 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL cap -272 480 R0
SYMATTR InstName C4
SYMATTR Value 2.2n
SYMBOL ind 1072 -96 R270
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WINDOW 3 5 56 VBottom 2
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SYMATTR Value .56
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SYMATTR InstName C12
SYMATTR Value 1
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SYMATTR InstName R2
SYMATTR Value .165
SYMBOL PowerProducts\\LTC4449 640 -96 R0
SYMATTR InstName U2
SYMBOL res 240 736 R0
SYMATTR InstName R6
SYMATTR Value 4.99K
SYMBOL res 512 480 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 4.99k
SYMBOL cap 1232 -96 R0
SYMATTR InstName C9
SYMATTR Value 530
SYMATTR SpiceLine Rser=5m
SYMBOL cap -896 -96 R0
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SYMATTR Value 530
SYMATTR SpiceLine Rser=5m
SYMBOL nmos -544 -256 M0
WINDOW 0 -24 6 Left 2
WINDOW 3 -119 101 Left 2
SYMATTR InstName Q1
SYMATTR Value RJK0305DPB
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SYMATTR Value 220p
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WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1
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SYMATTR Value 10K
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SYMATTR InstName V1
SYMATTR Value 12
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 -416 624 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 15.8K
SYMBOL PowerProducts\\LTC3887-1 208 272 R0
WINDOW 39 -32 -820 Center 2
WINDOW 40 12 -779 Center 2
SYMATTR SpiceLine VIN_ON=5.5 VIN_OFF=5 Vout_0=0.5 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
SYMATTR InstName U1
SYMBOL schottky -96 -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 640 480 R0
SYMATTR InstName C2
SYMATTR Value 4.7n
FLAG 352 -192 0
FLAG -592 16 0
FLAG -880 0 0
FLAG -976 0 0
FLAG -976 -112 OUT1
FLAG -704 -384 IN
FLAG -704 -272 0
FLAG -432 608 0
FLAG 656 1008 0
FLAG 976 16 0
FLAG 1248 0 0
FLAG 1360 0 0
FLAG 1360 -112 OUT0
FLAG 448 368 0
FLAG 64 832 0
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FLAG 208 -320 0
FLAG -224 64 0
FLAG 640 64 0
FLAG 656 560 0
FLAG 464 560 0
FLAG -256 560 0
FLAG -112 560 0
TEXT 744 712 Left 2 !.tran 1.1m startup
TEXT 1472 -344 Left 2 ;NOTES FOR SIMULATION\n \nPlease read the following notes carefully since the model behaves differently from the user \ninterface for the LTC3887-1.\n \n(1) PMBus communication and memory address related functions and pins are not modeled.  \n(2) Changes to parameter values while the simulation is running will not take effect unless the\nsimulation is stopped and restarted. This is different from the way the part operates which will\nrespond to the changes while running.  \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 \nDESCRIPTION OF PARAMETERS\n \nThe following parameters can be defined by right-clicking on the LTC3887-1 symbol.\nThe nomenclature used here differs from the one in the data sheet. If any value of these parameters is\nset beyond the scope described in the data sheet, the resulting simulation will not be meaningful.\n \nVIN_ON & VIN_OFF -- in volts, set the unit start/stop input voltages.\nVout_0 & Vout_1 -- in volt, set output voltages respectively.\nIlim0_range & Ilim1_range -- set maximum sensed peak current range, with value 0 for low 50mV and 1 for high 75mV.\nOC_limit0 & OC_limit1 -- set ratio of peak current limit to the maximum value defined by Ilimit_range.\n                 It must be one of values: 0.5, 0.572, 0.642, 0.714, 0.786, 0.858, 0.928, 1.\nMode_II -- sets light load operation mode: 0 for discontinuous, 2 for forced continuous.\nFault_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.\nRetry_delay -- in sec, sets the timer before the LTC3887-1 turns on after a fault.\n \nFreq -- in Hz, sets switching frequency as one of values of 250k, 350k, 425k, 500k, 575k, 650k, 750k, 1000k.\n           FREQ_CFG pin needs to float or short to VDD25.\nPHs_0 & PHs_1 -- in degree,  set phase angle related to SYNC signal. \n                Certain combinations are restricted as in data sheet.\n                FREQ_CFG pin needs to float or short to VDD25.\nTon0_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.\nToff0_delay & Toff0_fall; Toff1_delay & Toff1_fall -- in sec, set delay and soft-off timers for \n                channel0 and channel1. \nVout0_range & Vout1_range -- set maximum output range, with value 0 for 5.5V, value 1 for 2.75V.