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LM317MDT-1 PDF预览

LM317MDT-1

更新时间： 2024-11-18 20:57:35
品牌 Logo 应用领域
安森美 - ONSEMI 输出元件调节器
页数 文件大小 规格书
12页 192K
描述
1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSIP3, PLASTIC, DPAK-3

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LM317MDT-1 技术参数

生命周期：Obsolete零件包装代码：TO-252
包装说明：SIP,针数：3
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.62
JESD-30 代码：R-PSIP-T3长度：6.54 mm
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 1：0.5 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
封装代码：SIP封装形状：RECTANGULAR
封装形式：IN-LINE认证状态：Not Qualified
调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR座面最大高度：8.63 mm
表面贴装：NO技术：BIPOLAR
端子形式：THROUGH-HOLE端子节距：2.3 mm
端子位置：SINGLE宽度：2.285 mm
Base Number Matches：1

LM317MDT-1 数据手册

 浏览型号LM317MDT-1的Datasheet PDF文件第2页浏览型号LM317MDT-1的Datasheet PDF文件第3页浏览型号LM317MDT-1的Datasheet PDF文件第4页浏览型号LM317MDT-1的Datasheet PDF文件第5页浏览型号LM317MDT-1的Datasheet PDF文件第6页浏览型号LM317MDT-1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 221AB  
2
Available in Surface Mount D PAK−3, and Standard 3−Lead  
Transistor Package  
1
NCV Prefix for Automotive and Other Applications Requiring  
Unique Site and Control Change Requirements; AEC−Q100  
Qualified and PPAP Capable  
Pin 1. Adjust  
2
2. V  
3
out  
3. V  
in  
Eliminates Stocking many Fixed Voltages  
Heatsink surface connected to Pin 2.  
These are Pb−Free Devices  
V
in  
V
out  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 10 of this data sheet.  
LM317  
R
1
240  
I
Adj  
Adjust  
+
C *  
in  
C **  
O
DEVICE MARKING INFORMATION  
0.1 mF  
1.0 mF  
See general marking information in the device marking  
section on page 10 of this data sheet.  
R
2
**ꢀ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
ꢀ +ꢀ 1.25ꢀVꢀǒ1 ) Ǔꢀ )ꢀ I  
V
ꢀR  
out  
2
Adj  
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, 2013  
1
Publication Order Number:  
April, 2013 − Rev. 13  
LM317/D  
1234567...12

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