參數(shù)資料
型號(hào)： LTC3880IUJ#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
封裝： 6 X 6 MM, LEAD FREE, PLASTIC, WJJD-2, QFN-40
文件頁(yè)數(shù)： 96/112頁(yè)
文件大小： 2182K
代理商： LTC3880IUJ#PBF
LTC3880/LTC3880-1
84
3880fa
Fault Responses IC Temperature
COMMAND NAME
CMD CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
MFR_OT_FAULT_RESPONSE
0xD6
Action to be taken by the device when an
internal overtemperature fault is detected
R Byte
N
Reg
0xC0
MFR_OT_FAULT_RESPONSE
The MFR_OT_FAULT_RESPONSE command byte instructs the device on what action to take in response to an internal
overtemperature fault. The data byte is in the format given in Table 8.
The LTC3880 also:
Sets the MFR bit in the STATUS_WORD, and
Sets the Overtemperature Fault bit in the STATUS_MFR_SPECIFIC command
Notifies the host by asserting ALERT pin
This command has one data byte.
Table 8. Data Byte Contents MFR_OT_FAULT_RESPONSE
BITS
DESCRIPTION
VALUE MEANING
7:6
Response
For all values of bits [7:6], the LTC3880:
Sets the corresponding fault bit in the status commands and
Notifies the host by asserting ALERT pin
The fault bit, once set, is cleared only when one or more of the
following events occurs:
The device receives a CLEAR_FAULTS command
The output is commanded through the RUNn pin, the
OPERATION command, or the combined action of the RUNn pin
and OPERATION command, to turn off and then to turn back on,
or
Bias power is removed and reapplied to the LTC3880
00
Not supported. Writing this value will generate a CML fault.
01
Not supported. Writing this value will generate a CML fault
10
The device shuts down immediately (disables the output) and
responds according to the retry setting in bits [5:3].
11
The device’s output is disabled while the fault is present.
Operation resumes and the output is enabled when the fault
condition no longer exists.
5:3
Retry Setting
000
The unit does not attempt to restart. The output remains
disabled until the fault is cleared.
001-111 Not supported. Writing this value will generate CML fault.
2:0
Delay Time
XXX
Not supported. Value ignored
PMBus COMMAND DETAILS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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