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LM1117SX-3.3/NOPB PDF预览

LM1117SX-3.3/NOPB

更新时间： 2024-11-23 12:01:55
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
30页 2507K
描述
800mA Low-Dropout Linear Regulator

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LM1117SX-3.3/NOPB 数据手册

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LM1117-N  
www.ti.com  
SNOS412L –MAY 2004–REVISED JULY 2012  
LM1117/LM1117I 800mA Low-Dropout Linear Regulator  
Check for Samples: LM1117-N  
1
FEATURES  
APPLICATIONS  
2
•
Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V, and  
Adjustable Versions  
•
•
•
•
•
2.85V Model for SCSI-2 Active Termination  
Post Regulator for Switching DC/DC Converter  
High Efficiency Linear Regulators  
Battery Charger  
•
•
•
•
•
•
Space Saving SOT-223 and LLP Packages  
Current Limiting and Thermal Protection  
Output Current 800mA  
Battery Powered Instrumentation  
Line Regulation 0.2% (Max)  
Load Regulation 0.4% (Max)  
Temperature Range  
–
–
LM1117: 0°C to 125°C  
LM1117I: −40°C to 125°C  
DESCRIPTION  
The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. It has  
the same pin-out as National Semiconductor's industry standard LM317.  
The LM1117 is available in an adjustable version, which can set the output voltage from 1.25V to 13.8V with only  
two external resistors. In addition, it is also available in five fixed voltages, 1.8V, 2.5V, 2.85V, 3.3V, and 5V.  
The LM1117 offers current limiting and thermal shutdown. Its circuit includes a zener trimmed bandgap reference  
to assure output voltage accuracy to within ±1%.  
The LM1117 series is available in LLP, TO-263, SOT-223, TO-220, and TO-252 D-PAK packages. A minimum of  
10µF tantalum capacitor is required at the output to improve the transient response and stability.  
TYPICAL APPLICATION  
Active Terminator for SCSI-2 Bus  
Figure 1. Fixed Output 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.  
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 © 2004–2012, Texas Instruments Incorporated  
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LM1117SX-3.3/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM1117SX-5.0/NOPB TI

类似代替

 800mA Low-Dropout Linear Regulator
REG1117F-3.3/500 TI

类似代替

 800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2.85, 3.3V, 5V, and Adjustable

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