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LTC2977 Datasheet(PDF) 58 Page - Analog Devices

Part # LTC2977
Description  30V to 58V Input, Dual 30A, Single 60A 關Module Regulator with Digital Power System Management
PDF  138 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC2977 Datasheet(HTML) 58 Page - Analog Devices

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LTM4664A
58
Rev. 0
For more information www.analog.com
PMBus COMMAND SUMMARY
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
PAGE
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
101
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
101
VOUT_TRANSITION_ RATE
0X27 Rate the output changes when VOUT
commanded to a new value.
R/W Word
Y
L11
V/ms
Y
0.25
0x8042
107
FREQUENCY_SWITCH
0x33 Switching frequency of the controller.
R/W Word
N
L11
kHz
Y
350k
0xFABC
98
VIN_ON
0x35 Input voltage at which the unit should start
power conversion.
R/W Word
N
L11
V
Y
4.75
0xCA60
99
VIN_OFF
0x36 Input voltage at which the unit should stop
power conversion.
R/W Word
N
L11
V
Y
4.5
0xCA40
99
VOUT_OV_FAULT_LIMIT
0x40 Output overvoltage fault limit.
R/W Word
Y
L16
V
Y
1.1
0x119A
100
VOUT_OV_FAULT_
RESPONSE
0x41 Action to be taken by the device when an
output overvoltage fault is detected.
R/W Byte
Y
Reg
Y
0xB8
109
VOUT_OV_WARN_LIMIT
0x42 Output overvoltage warning limit.
R/W Word
Y
L16
V
Y
1.075
0x1133
100
VOUT_UV_WARN_LIMIT
0x43 Output undervoltage warning limit.
R/W Word
Y
L16
V
Y
0.925
0x0ECD
101
VOUT_UV_FAULT_LIMIT
0x44 Output undervoltage fault limit.
R/W Word
Y
L16
V
Y
0.9
0x0E66
101
VOUT_UV_FAULT_
RESPONSE
0x45 Action to be taken by the device when an
output undervoltage fault is detected.
R/W Byte
Y
Reg
Y
0xB8
110
IOUT_OC_FAULT_LIMIT
0x46 Output overcurrent fault limit.
R/W Word
Y
L11
A
Y
40
0xE280
103
IOUT_OC_FAULT_ RESPONSE 0x47 Action to be taken by the device when an
output overcurrent fault is detected.
R/W Byte
Y
Reg
Y
0x00
112
IOUT_OC_WARN_LIMIT
0x4A Output overcurrent warning limit.
R/W Word
Y
L11
A
Y
30.0
0xDBC0
104
OT_FAULT_LIMIT
0x4F External overtemperature fault limit.
R/W Word
Y
L11
C
Y
128
0xF200
105
OT_FAULT_RESPONSE
0x50 Action to be taken by the device when an
external overtemperature fault is detected,
R/W Byte
Y
Reg
Y
0xB8
114
OT_WARN_LIMIT
0x51 External overtemperature warning limit.
R/W Word
Y
L11
C
Y
125
0xEBE8
105
UT_FAULT_LIMIT
0x53 External undertemperature fault limit.
R/W Word
Y
L11
C
Y
–45
0xE530
106
UT_FAULT_RESPONSE
0x54 Action to be taken by the device when
an external undertemperature fault is
detected.
R/W Byte
Y
Reg
Y
0xB8
114
VIN_OV_FAULT_LIMIT
0x55 Input supply overvoltage fault limit.
R/W Word
N
L11
V
Y
15.5
0xD3E0
100
VIN_OV_FAULT_ RESPONSE 0x56 Action to be taken by the device when an
input overvoltage fault is detected.
R/W Byte
Y
Reg
Y
0x80
109
VIN_UV_WARN_LIMIT
0x58 Input supply undervoltage warning limit.
R/W Word
N
L11
V
Y
4.68
0xCA53
99
IIN_OC_WARN_LIMIT
0x5D Input supply overcurrent warning limit.
R/W Word
N
L11
A
Y
10.0
0xD280
104



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