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LM1085

更新时间： 2024-01-17 00:34:04
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
22页 2093K
描述
The LM1085 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current.

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LM1085 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：unknown风险等级：5.82
Base Number Matches：1

LM1085 数据手册

 浏览型号LM1085的Datasheet PDF文件第2页浏览型号LM1085的Datasheet PDF文件第3页浏览型号LM1085的Datasheet PDF文件第4页浏览型号LM1085的Datasheet PDF文件第5页浏览型号LM1085的Datasheet PDF文件第6页浏览型号LM1085的Datasheet PDF文件第7页 
LM1085  
www.ti.com  
SNVS038G –JULY 1999–REVISED MARCH 2013  
LM1085 3A Low Dropout Positive Regulators  
Check for Samples: LM1085  
1
FEATURES  
DESCRIPTION  
The LM1085 is a series of low dropout positive  
voltage regulators with a maximum dropout of 1.5V at  
3A of load current. It has the same pin-out as TI's  
industry standard LM317.  
2
•
Available in 3.3V, 5.0V, 12V and Adjustable  
Versions  
•
•
•
•
Current Limiting and Thermal Protection  
Output Current 3A  
The LM1085 is available in an adjustable version,  
which can set the output voltage with only two  
external resistors. It is also available in three fixed  
voltages: 3.3V, 5.0V and 12.0V. The fixed versions  
integrate the adjust resistors.  
Line Regulation 0.015% (typical)  
Load Regulation 0.1% (typical)  
APPLICATIONS  
The LM1085 circuit includes  
bandgap reference, current limiting and thermal  
shutdown.  
a zener trimmed  
•
•
•
•
•
High Efficiency Linear Regulators  
Battery Charger  
Post Regulation for Switching Supplies  
Constant Current Regulator  
Microprocessor Supply  
The LM1085 series is available in TO-220 and  
DDPAK/TO-263 packages. Refer to the LM1084 for  
the 5A version, and the LM1086 for the 1.5A version.  
Connection Diagram  
Figure 1. TO-220 Top View  
Figure 2. DDPAK/TO-263 Top View  
Figure 3. Basic Functional Diagram, Adjustable  
Version  
Figure 4. Application Circuit  
1.2V to 15V Adjustable Regulator  
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.  
All trademarks are the property of their respective owners.  
2
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 © 1999–2013, Texas Instruments Incorporated  
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LM1085 替代型号

型号 品牌 替代类型 描述 数据表
LM1086 TI

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