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LM317BD2TR4G

更新时间： 2024-02-07 21:41:37
品牌 Logo 应用领域
安森美 - ONSEMI 线性稳压器IC调节器电源电路输出元件PC
页数 文件大小 规格书
12页 134K
描述
1.5 A Adjustable Output, Positive Voltage Regulator

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LM317BD2TR4G 技术参数

生命周期：Active包装说明：TO-220
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.62
最大差分输入-输出电压：40 V最小差分输入-输出电压：3 V
JESD-30 代码：R-PSFM-T3功能数量：1
端子数量：3工作温度TJ-Max：125 °C
工作温度TJ-Min：最大输出电流 1：1.5 A
最大输出电压 1：37 V最小输出电压 1：1.2 V
封装主体材料：PLASTIC/EPOXY封装形状：RECTANGULAR
封装形式：FLANGE MOUNT调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
表面贴装：NO技术：BIPOLAR
端子形式：THROUGH-HOLE端子位置：SINGLE
Base Number Matches：1

LM317BD2TR4G 数据手册

 浏览型号LM317BD2TR4G的Datasheet PDF文件第2页浏览型号LM317BD2TR4G的Datasheet PDF文件第3页浏览型号LM317BD2TR4G的Datasheet PDF文件第4页浏览型号LM317BD2TR4G的Datasheet PDF文件第5页浏览型号LM317BD2TR4G的Datasheet PDF文件第6页浏览型号LM317BD2TR4G的Datasheet PDF文件第7页 
LM317, NCV317  
1.5 A Adjustable Output,  
Positive Voltage Regulator  
The LM317 is an adjustable 3−terminal positive voltage regulator  
capable of supplying in excess of 1.5 A over an output voltage range of  
1.2 V to 37 V. This voltage regulator is exceptionally easy to use and  
requires only two external resistors to set the output voltage. Further, it  
employs internal current limiting, thermal shutdown and safe area  
compensation, making it essentially blow−out proof.  
http://onsemi.com  
The LM317 serves a wide variety of applications including local, on  
card regulation. This device can also be used to make a programmable  
output regulator, or by connecting a fixed resistor between the  
adjustment and output, the LM317 can be used as a precision current  
regulator.  
2
D PAK−3  
D2T SUFFIX  
CASE 936  
2
1
3
Features  
Heatsink surface (shown as terminal 4 in  
case outline drawing) is connected to Pin 2.  
• Output Current in Excess of 1.5 A  
• Output Adjustable between 1.2 V and 37 V  
• Internal Thermal Overload Protection  
• Internal Short Circuit Current Limiting Constant with Temperature  
• Output Transistor Safe−Area Compensation  
• Floating Operation for High Voltage Applications  
TO−220  
T SUFFIX  
CASE 221A  
2
• Available in Surface Mount D PAK−3, and Standard 3−Lead  
Transistor Package  
1
• Eliminates Stocking many Fixed Voltages  
• Pb−Free Packages are Available  
Pin 1. Adjust  
2
2. V  
3
out  
3. V  
in  
Heatsink surface connected to Pin 2.  
V
in  
V
out  
LM317  
R
1
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 10 of this data sheet.  
240  
I
Adj  
Adjust  
+
C *  
in  
C **  
O
0.1 mF  
1.0 mF  
R
2
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 10 of this data sheet.  
**ꢀC is required if regulator is located an appreciable distance from power supply filter.  
in  
**ꢀC is not needed for stability, however, it does improve transient response.  
O
R
2
V
ꢀ +ꢀ 1.25ꢀVꢀ  
ǒ
1 )  
Ǔ
ꢀ )ꢀ I ꢀR  
out  
Adj  
2
R
1
Since I is controlled to less than 100 mA, the error associated with this term is  
Adj  
negligible in most applications.  
Figure 1. Standard Application  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
August, 2005 − Rev. 8  
LM317/D  
1234567...12

中文翻译

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LM317BD2TR4G 替代型号

型号 品牌 替代类型 描述 数据表
LM317D2TR4G ONSEMI

完全替代

 1.5 A Adjustable Output, Positive Voltage Regulator
LM317D2TR4 ONSEMI

完全替代

 1.5 A Adjustable Output, Positive Voltage Regulator
LM317BD2TG ONSEMI

完全替代

 1.5 A Adjustable Output, Positive Voltage Regulator

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