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LTM4676A Folha de dados(PDF) 94 Page - Linear Technology

Nome de Peças LTM4676A
Descrição Electrónicos  Dual 13A or Single 26A 關Module Regulator with Digital Power System Management
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Fabricante Electrônico  LINER [Linear Technology]
Página de início  http://www.linear.com
Logo LINER - Linear Technology

LTM4676A Folha de dados(HTML) 94 Page - Linear Technology

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LTM4676A
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4676afa
For more information www.linear.com/LTM4676A
appenDix c: pMbus coMManD DeTails
VIN_UV_WARN_LIMIT
The VIN_UV_WARN_LIMIT command sets the value of the SVIN input voltage that causes an SVIN input undervoltage
warning. The warning is detected with the A/D converter resulting in latency up to 90ms, typical.
This command has two data bytes and is formatted in Linear_5s_11s format.
VIN_ON
The VIN_ON command sets the SVIN input voltage, in volts, at which the unit should start power conversion.
This command has two data bytes and is formatted in Linear_5s_11s format.
VIN_OFF
The VIN_OFF command sets the SVIN input voltage, in volts, at which the unit should stop power conversion.
This command has two data bytes and is formatted in Linear_5s_11s format.
Output Voltage and Limits
COMMAND NAME
CMD CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
VOUT_MODE
0x20
Output voltage format and exponent (2–12).
R Byte
Y
Reg
2–12
0x14
VOUT_MAX
0x24
Upper limit on the commanded output voltage
including VOUT_MARGIN_HIGH.
R/W Word
Y
L16
V
Y
5.6
0x599A
VOUT_OV_FAULT_ LIMIT
0x40
Output overvoltage fault limit.
R/W Word
Y
L16
V
Y
1.1
0x119A
VOUT_OV_WARN_ LIMIT
0x42
Output overvoltage warning limit.
R/W Word
Y
L16
V
Y
1.075
0x1133
VOUT_MARGIN_HIGH
0x25
Margin high output voltage set point. Must be
greater than VOUT_COMMAND.
R/W Word
Y
L16
V
Y
1.05
0x10CD
VOUT_COMMAND
0x21
Nominal output voltage set point.
R/W Word
Y
L16
V
Y
1.0
0x1000
VOUT_MARGIN_LOW
0x26
Margin low output voltage set point. Must be
less than VOUT_COMMAND.
R/W Word
Y
L16
V
Y
0.95
0x0F33
VOUT_UV_WARN_ LIMIT
0x43
Output undervoltage warning limit.
R/W Word
Y
L16
V
Y
0.925
0x0ECD
VOUT_UV_FAULT_ LIMIT
0x44
Output undervoltage fault limit.
R/W Word
Y
L16
V
Y
0.9
0x0E66
MFR_VOUT_MAX
0xA5
Maximum allowed output voltage including
VOUT_OV_FAULT_LIMIT.
R Word
Y
L16
V
5.7
0x5B34
VOUT_MODE
The data byte for VOUT_MODE command, used for commanding and reading output voltage, consists of a 3-bit mode
(only linear format is supported) and a 5-bit parameter representing the exponent used in output voltage Read/Write
commands.
This read-only command has one data byte.


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