参数资料
型号: LTC3880EUJ#PBF
厂商: Linear Technology
文件页数: 85/112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
Fault Responses External Temperature
COMMAND NAME
CMD CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS
NVM
DEFAULT
VALUE
OT_FAULT_ RESPONSE
UT_FAULT_ RESPONSE
0x50
0x54
Action to be taken by the device when an external
overtemperature fault is detected,
Action to be taken by the device when an external
undertemperature fault is detected.
R/W Byte
R/W Byte
Y
Y
Reg
Reg
Y
Y
0xB8
0xB8
OT_FAULT_RESPONSE
The OT_FAULT_RESPONSE command instructs the device on what action to take in response to an external overtem-
perature fault on the external temp sensors. The data byte is in the format given in Table 9.
The device also:
? Sets the TEMPERATURE bit in the STATUS_BYTE
? Sets the Overtemperature Fault 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 one data byte.
UT_FAULT_RESPONSE
The UT_FAULT_RESPONSE command instructs the device on what action to take in response to an external undertem-
perature fault on the external temp sensors. The data byte is in the format given in Table 9.
The device also:
? Sets the TEMPERATURE bit in the STATUS_BYTE
? Sets the Undertemperature Fault 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 one data byte.
3880fb
For more information www.linear.com/LTC3880
85
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