参数资料
型号: LTC3880EUJ#PBF
厂商: Linear Technology
文件页数: 95/112页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 40-QFN
软件下载: LTpowerPlay™
标准包装: 61
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 1MHz
电源电压: 4.5 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 105°C
封装/外壳: 40-WFQFN 裸露焊盘
包装: 管件
LTC3880/LTC3880-1
PMBus COMMAND DETAILS
MFR_COMMON
The MFR_COMMON command contains bits that are common to all LTC digital power and telemetry products.
BIT
7
6
5
4
3
2
1
0
MEANING
CHIP NOT DRIVING ALERT LOW
CHIP NOT BUSY
CALCULATIONS NOT PENDING
OUTPUT NOT IN TRANSITION
NVM Initialized
Reserved
SHARE_CLK Timeout
WP Pin Status
This read-only command has one data byte.
TELEMETRY
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED FORMAT UNITS NVM
DEFAULT
VALUE
READ_VIN
READ_VOUT
READ_IIN
MFR_READ_IIN
READ_IOUT
0x88
0x8B
0x89
0xED
0x8C
Measured input supply voltage.
Measured output voltage.
Calculated input supply current.
Calculated input current per channel.
Measured output current.
R Word
R Word
R Word
R Word
R Word
N
Y
N
Y
Y
L11
L16
L11
L11
L11
V
V
A
A
A
NA
NA
NA
NA
NA
READ_TEMPERATURE_1
0x8D
External diode junction temperature. This is the value R Word
used for all temperature related processing, including
IOUT_CAL_GAIN.
Y
L11
C
NA
READ_TEMPERATURE_2
READ_DUTY_CYCLE
READ_POUT
MFR_VOUT_PEAK
MFR_VIN_PEAK
MFR_TEMPERATURE_1_PEAK
MFR_TEMPERATURE_2_PEAK
0x8E
0x94
0x96
0xDD
0xDE
0xDF
0xF4
Internal junction temperature. Does not affect any
other registers.
Duty cycle of the top gate control signal.
Calculated output power.
Maximum measured value of READ_VOUT since last
MFR_CLEAR_PEAKS.
Maximum measured value of READ_VIN since last
MFR_CLEAR_PEAKS.
Maximum measured value of external Temperature
(READ_TEMPERATURE_1) since last MFR_CLEAR_
PEAKS.
Maximum measured value of external Temperature
(READ_TEMPERATURE_2) since last MFR_CLEAR_
PEAKS.
R Word
R Word
R Word
R Word
R Word
R Word
R Word
N
Y
Y
Y
N
Y
N
L11
L11
L11
L16
L11
L11
L11
C
%
W
V
V
C
C
NA
NA
NA
NA
NA
NA
NA
MFR_IOUT_PEAK
0xD7
Report the maximum measured value of READ_IOUT R Word
since last MFR_CLEAR_PEAKS.
Y
L11
A
NA
3880fb
For more information www.linear.com/LTC3880
95
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