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LM5116HJD PDF预览

LM5116HJD

更新时间： 2024-11-16 12:06:03
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
34页 636K
描述
WIDE RANGE SYNCHRONOUS BUCK CONTROLLER

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中文翻译

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LM5116HJD 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：DIP包装说明：GREEN, HERMETIC SEALED, SIDE BRAZED, CERAMIC, DIP-20
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：6 weeks风险等级：2.28
其他特性：LG-MAX; ALSO OPERATES IN ADJUSTABLE MODE FROM 1.215V TO 80V; CASE NO: 2038227模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：80 V最小输入电压：6 V
标称输入电压：48 VJESD-30 代码：R-CDIP-T20
长度：25.65 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：175 °C最低工作温度：-55 °C
最大输出电流：20 A最大输出电压：80 V
最小输出电压：1.215 V封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：260
座面最大高度：4.45 mm表面贴装：NO
切换器配置：PUSH-PULL最大切换频率：1000 kHz
温度等级：MILITARY端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

LM5116HJD 数据手册

 浏览型号LM5116HJD的Datasheet PDF文件第2页浏览型号LM5116HJD的Datasheet PDF文件第3页浏览型号LM5116HJD的Datasheet PDF文件第4页浏览型号LM5116HJD的Datasheet PDF文件第5页浏览型号LM5116HJD的Datasheet PDF文件第6页浏览型号LM5116HJD的Datasheet PDF文件第7页 
LM5116-HT  
www.ti.com  
SLVSBS8A –OCTOBER 2013–REVISED OCTOBER 2013  
WIDE RANGE SYNCHRONOUS BUCK CONTROLLER  
Check for Samples: LM5116-HT  
1
FEATURES  
2
•
•
•
•
•
•
•
•
•
•
•
•
•
Emulated Peak Current Mode  
SUPPORTS EXTREME TEMPERATURE  
APPLICATIONS  
Wide Operating Range Up to 80 V  
Low IQ Shutdown (< 10 µA)  
•
•
•
•
Controlled Baseline  
One Assembly and Test Site  
One Fabrication Site  
Drives Standard or Logic Level MOSFETs  
Robust 3.5-A Peak Gate Drive  
Available in Extreme (–55°C to 175°C)  
Temperature Range  
Free-Run or Synchronous Operation to 1 MHz  
Optional Diode Emulation Mode  
Programmable Output from 1.215 V to 80 V  
Precision 1.5% Voltage Reference  
Programmable Current Limit  
•
•
•
•
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
Texas Instruments' high temperature products  
utilize highly optimized silicon (die) solutions  
with design and process enhancements to  
maximize performance over extended  
temperatures.  
Programmable Soft-Start  
Programmable Line Under-Voltage Lockout  
Automatic Switch to External Bias Supply  
APPLICATIONS  
•
•
Down-Hole Drilling  
High Temperature Environments  
DESCRIPTION  
The LM5116 is a synchronous buck controller intended for step-down regulator applications from a high voltage  
or widely varying input supply. The control method is based upon current mode control utilizing an emulated  
current ramp. Current mode control provides inherent line feed-forward, cycle by cycle current limiting and ease  
of loop compensation. The use of an emulated control ramp reduces noise sensitivity of the pulse-width  
modulation circuit, allowing reliable control of very small duty cycles necessary in high input voltage applications.  
The operating frequency is programmable from 50 kHz to 1 MHz. The LM5116 drives external high-side and low-  
side NMOS power switches with adaptive dead-time control. A user-selectable diode emulation mode enables  
discontinuous mode operation for improved efficiency at light load conditions. A low quiescent current shutdown  
disables the controller and consumes less than 10 µA of total input current. Additional features include a high  
voltage bias regulator, automatic switch-over to external bias for improved efficiency, thermal shutdown,  
frequency synchronization, cycle by cycle current limit and adjustable line under-voltage lockout.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2013, Texas Instruments Incorporated  
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