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LTC4281CUFD#TRPBF PDF预览

LTC4281CUFD#TRPBF

更新时间： 2024-09-17 20:55:43
品牌 Logo 应用领域
凌特 - Linear 监控
页数 文件大小 规格书
44页 849K
描述
LTC4281 - Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring; Package: QFN; Pins: 28; Temperature Range: 0&deg;C to 70&deg;C

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中文翻译

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LTC4281CUFD#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：QFN-28
针数：28Reach Compliance Code：compliant
风险等级：5.69Base Number Matches：1

LTC4281CUFD#TRPBF 数据手册

 浏览型号LTC4281CUFD#TRPBF的Datasheet PDF文件第2页浏览型号LTC4281CUFD#TRPBF的Datasheet PDF文件第3页浏览型号LTC4281CUFD#TRPBF的Datasheet PDF文件第4页浏览型号LTC4281CUFD#TRPBF的Datasheet PDF文件第5页浏览型号LTC4281CUFD#TRPBF的Datasheet PDF文件第6页浏览型号LTC4281CUFD#TRPBF的Datasheet PDF文件第7页 
LTC4281  
Hot Swap Controller with I2C  
Compatible Monitoring  
FeaTures  
DescripTion  
The LTC®4281 Hot Swap controller allows a board to be  
safely inserted and removed from a live backplane. Using  
anexternalN-channelpasstransistor,boardsupplyvoltage  
and inrush current are ramped up at an adjustable rate.  
n
Allows Safe Board Insertion Into Live Backplane  
n
12-/16-Bit ADC with ±±0.7 ꢀotal Unadjusted Error  
n
Monitors Current, Voltage, Power and Energy  
n
Internal EEPROM for Nonvolatile Configuration  
2
n
Wide Operating Voltage Range: 209V to 33V  
An I C interface and onboard ADC allows for monitoring  
2
n
I C/SMBus Digital Interface (Coexists with PMBus  
of board current, voltage, power, energy and fault status.  
Devices)  
The device features analog foldback current limiting to  
limit the MOSFET power to a constant value. A wide input  
voltage operating range comfortably allows applications  
from 2.9V to 33V.  
n
12V Gate Drive for Lower MOSFET R  
DS(ON)  
n
n
n
n
n
n
n
n
n
n
Programmable Current Limit with 2% Accuracy  
MOSFET Power Limiting with Current Foldback  
Continuously Monitors MOSFET Health  
The LTC4281 is well suited to high power applications  
because the precise monitoring capability and accurate  
current limiting reduce the extremes in which both loads  
and power supplies must safely operate. Non-volatile  
configuration allows for flexibility in the autonomous  
generation of alerts and response to faults.  
Stores Minimum and Maximum Measurements  
Alerts When Alarm Thresholds Exceeded  
2
Reboots on I C Command  
Input Overvoltage/Undervoltage Protection  
Three General Purpose Input/Outputs  
Internal ±±% or External Timebases  
28-Pin 4mm × ±mm QFN Package  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
applicaTions  
n
Enterprise Servers and Data Storage Systems  
n
Network Routers and Switches  
n
Base Stations  
Platform Management  
n
Typical applicaTion  
12V, 65A Plug-In Board Resident Application  
Start-Up Waveforms  
V
12V  
65A  
0.5mΩ  
OUT  
12V  
+
CONTACT BOUNCE  
V
DD  
10V/DIV  
10Ω  
SENSE ADC GATE SOURCE  
SMCJ15CA  
+
+
–
–
V
ADC SENSE  
DD  
∆V  
GATE  
10V/DIV  
NC  
NC  
NC  
UV  
OV  
FB  
50ms DE-BOUNCE  
SDAI  
SDAO  
SCL  
POWER  
GOOD  
GPIO1  
SDA  
SCL  
V
SOURCE  
LTC4281  
10V/DIV  
ALERT  
ALERT  
ADR0  
ADR1  
ADR2  
ON  
GPIO2  
GPIO3  
GP  
GP  
GPIO1(PG)  
10V/DIV  
NC  
4281 TA01b  
20ms/DIV  
12V  
INTV  
TIMER  
WP CLKIN CLKOUT GND  
CC  
4.7µF  
4281 TA01a  
100k  
NC  
10nF  
GND  
BACKPLANE PLUG-IN  
BOARD  
4281f  
1
For more information www.linear.com/LTC4281  
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中文翻译

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LTC4281CUFD#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4281CUFD#PBF Linear

完全替代

 LTC4281 - Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring; Packa

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