參數(shù)資料
型號(hào)： LTC3880IUJ-1#TRPBF
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 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)： 87/112頁(yè)
文件大?。?/td> 2182K
代理商： LTC3880IUJ-1#TRPBF
LTC3880/LTC3880-1
76
3880fa
PMBus COMMAND DETAILS
External Temperature Limits
COMMAND NAME
CMD CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS
NVM
DEFAULT
VALUE
OT_FAULT_LIMIT
0x4F
External overtemperature fault limit.
R/W Word
Y
L11
C
Y
100.0
0xEB20
OT_WARN_LIMIT
0x51
External overtemperature warning limit.
R/W Word
Y
L11
C
Y
85.0
0xEAA8
UT_FAULT_LIMIT
0x53
External undertemperature fault limit.
R/W Word
Y
L11
C
Y
–40.0
0xE580
OT_FAULT_LIMIT
The OT_FAULT_LIMIT command sets the value of the external sense temperature, in degrees Celsius, which causes an
overtemperature fault. The READ_TEMPERATURE_1 value will be used to determine if this limit has been exceeded.
This condition is detected by the ADC so the response time may be up to 120ms.
This command has two data bytes and is formatted in Linear_5s_11s format.
OT_WARN_LIMIT
The OT_WARN_LIMIT command sets the value of the external sense temperature, in degrees Celsius, which causes
an overtemperature warning. The READ_TEMPERATURE_1 value will be used to determine if this limit has been ex-
ceeded.
In response to the OT_WARN_LIMIT being exceeded, the device:
Sets the TEMPERATURE bit in the STATUS_BYTE
Sets the Overtemperature Warning bit in the STATUS_TEMPERATURE command, and
Notifies the host by asserting ALERT pin.
This condition is detected by the ADC so the response time may be up to 120ms.
This command has two data bytes and is formatted in Linear_5s_11s format.
UT_FAULT_LIMIT
The UT_FAULT_LIMIT command sets the value of the external sense temperature, in degrees Celsius, which causes
an undertemperature fault. The READ_TEMPERATURE_1 value will be used to determine if this limit has been
exceeded.
Note: If the temp sensors are not installed, the UT_FAULT_LIMIT can be set to –275°C and UT_FAULT_LIMIT response
set to ignore to avoid ALERT being asserted.
This condition is detected by the ADC so the response time may be up to 120ms.
This command has two data bytes and is formatted in Linear_5s_11s format.
相關(guān)PDF資料
PDF描述
LTC3880IUJ#PBF 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
LTC3880EUJ-1#TRPBF 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
LTC3880EUJ-1#PBF 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
LTC3880IUJ-1#PBF 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
LTC3890EGN-1#PBF SWITCHING CONTROLLER, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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