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LTC4449 Datasheet(PDF) 91 Page - Linear Technology

Part # LTC4449
Description  Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management
PDF  108 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4449 Datasheet(HTML) 91 Page - Linear Technology

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LTC3882-1
91
Rev A
For more information www.analog.com
TELEMETRY
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
READ_VIN
0x88 Measured VIN.
R Word
N
L11
V
MFR_VIN_PEAK
0xDE Maximum VIN measurement since last
MFR_CLEAR_PEAKS.
R Word
N
L11
V
READ_VOUT
0x8B Measured VOUT.
R Word
Y
L16
V
MFR_VOUT_PEAK
0xDD Maximum VOUT measurement since last
MFR_CLEAR_PEAKS.
R Word
Y
L16
V
READ_IOUT
0x8C Measured IOUT.
R Word
Y
L11
A
MFR_IOUT_PEAK
0xD7 Maximum IOUT measurement since last
MFR_CLEAR_PEAKS.
R Word
Y
L11
A
READ_POUT
0x96 Calculated output power.
R Word
Y
L11
W
READ_TEMPERATURE_1
0x8D Measured external temperature.
R Word
Y
L11
°C
MFR_TEMPERATURE_1_PEAK
0xDF Maximum external temperature measurement
since last MFR_CLEAR_PEAKS.
R Word
Y
L11
°C
READ_TEMPERATURE_2
0x8E Measured internal temperature.
R Word
N
L11
°C
MFR_TEMPERATURE_2_PEAK
0xF4 Maximum internal temperature measurement
since last MFR_CLEAR_PEAKS.
R Word
N
L11
°C
READ_DUTY_CYCLE
0x94 Measured commanded PWM duty cycle.
R Word
Y
L11
%
READ_FREQUENCY
0x95 Measured PWM input clock frequency.
R Word
Y
L11
kHz
MFR_CLEAR_PEAKS
0xE3 Clear all peak values.
Send Byte
N
Related commands: IOUT_CAL_GAIN, MFR_IOUT_CAL_GAIN_TC, MFR_PWM_MODE_LTC3882-1
READ_VIN
The READ_VIN command returns the input voltage measured between VINSNS and GND in volts.
This read-only command has two data bytes in Linear_5s_11s format.
MFR_VIN_PEAK
The MFR_VIN_PEAK command reports the highest voltage, in volts, measured for READ_VIN. This peak value can be
reset by a MFR_CLEAR_PEAKS command.
This read-only command has two data bytes in Linear_5s_11s format.
READ_VOUT
The READ_VOUT command returns the output voltage measured at the VSENSE± pins in volts.
This read-only command has two data bytes in Linear_16u format.
MFR_VOUT_PEAK
The MFR_VOUT_PEAK command reports the highest voltage, in volts, measured for READ_VOUT. This peak value can
be reset by a MFR_CLEAR_PEAKS command.
This read-only command has two data bytes in Linear_16u format.
PMBus COMMAND DETAILS (Status Reporting)



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