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| 型号： | LTC4280IUFD |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| 封装： | 4 X 5 MM, PLASTIC, MO-220, QFN-24 |
| 文件页数： | 18/28页 |
| 文件大小： | 286K |
| 代理商： | LTC4280IUFD |
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LTC4280
25
4280f
APPLICATIONS INFORMATION
Table 4. STATUS Register C (02h)—Read
BIT
NAME
OPERATION
C7
FET On
1 = FET On, 0 = FET Off
C6
GPIO Input
State of the GPIO Pin; 1 = GPIO High, 0 = GPIO Low
C5
FET Short
Present
Indicates Potential FET Short if Current Sense Voltage Exceeds 1mV While FET is Off; 1 = FET is Shorted, 0 = FET is Not
Shorted
C4
EN
Indicates if the LTC4280 is enabled when EN is low; 1 = EN Pin Low, 0 = EN Pin High
C3
Power Bad
Indicates Power is Bad when FB is low; 1 = FB Low, 0 = FB High
C2
Overcurrent
Indicates Overcurrent Condition During Cool Down Cycle; 1 = Overcurrent, 0 = Not Overcurrent
C1
Undervoltage
Indicates Input Undervoltage when UV is Low; 1 = UV Low, 0 = UV High
C0
Overvoltage
Indicates VDD or OV Input Overvoltage when OV is High; 1 = OV High, 0 = OV Low
Table 5. FAULT Register D (03h)—Read/Write
BIT
NAME
OPERATION
D7:6
Reserved
D5
FET Short Fault
Occurred
Indicates Potential FET Short was Detected when Measured Current Sense Voltage Exceeded 1mV while FET was Off;
1 = FET is Shorted, 0 = FET is Good
D4
EN Changed
State
Indicates That the LTC4280 was Enabled or Disabled when EN Changed State; 1 = EN Changed State, 0 = EN Unchanged
D3
Power Bad
Fault Occurred
Indicates Power was Bad when FB when Low; 1 = FB was Low, 0 = FB was High
D2
Overcurrent
Fault Occurred
Indicates Overcurrent Fault Occurred; 1 = Overcurrent Fault Occurred, 0 = Not Overcurrent Faults
D1
Undervoltage
Fault Occurred
Indicates Input Undervoltage Fault Occurred when UV went Low; 1 = UV was Low, 0 = UV was High
D0
Overvoltage
Fault Occurred
Indicates Input Overvoltage Fault Occurred when OV went High; 1 = OV was High, 0 = OV was Low
Table 6. SENSE Register E (04h)—Read/Write
BIT
NAME
OPERATION
E7:0
SENSE Voltage Measurement
Sense Voltage Data. 8-Bit Data with 151μV LSB and 38.45mV Full Scale.
Table 7. SOURCE Register F (05h)—Read/Write
BIT
NAME
OPERATION
F7:0
SOURCE Voltage Measurement
Source Voltage Data. 8-Bit Data with 60.5mV LSB and 15.44V Full Scale.
Table 8. ADIN Register G (06h)—Read/Write
BIT
NAME
OPERATION
G7:0
ADIN Voltage Measurement
ADIN Voltage Data. 8-Bit Data with 4.82mV LSB and 1.23V Full Scale.
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| LTC4280IUFD#PBF | 功能描述:IC HOT SWAP CONTROLLER 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LTC4280IUFD#TRPBF | 功能描述:IC CTLR HOT SWAP I2C MON 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LTC4280IUFD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Hot Swap Controller with I2C Compatible Monitoring |
| LTC4280IUFD-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Hot Swap Controller with I2C Compatible Monitoring |
| LTC4280IUFD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Hot Swap Controller with I2C Compatible Monitoring |
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