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LM317LB

更新时间： 2024-11-20 12:33:47
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
页数 文件大小 规格书
12页 188K
描述
1.5 A Adjustable Output Positive Voltage Regulator

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中文翻译

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LM317LB 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：TO-92包装说明：, SIP3,.1,50
针数：3Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.07Is Samacsys：N
可调性：ADJUSTABLE标称回动电压 1：3 V
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：O-PBCY-T3JESD-609代码：e0
最大电网调整率 (%/V)：0.07最大负载调整率 (%)：1.5%
功能数量：1输出次数：1
端子数量：3工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.1 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封装等效代码：SIP3,.1,50
封装形状：ROUND封装形式：CYLINDRICAL
包装方法：RAIL峰值回流温度（摄氏度）：225
认证状态：Not Qualified调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
子类别：Other Regulators表面贴装：NO
技术：BIPOLAR端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：1.27 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

LM317LB 数据手册

 浏览型号LM317LB的Datasheet PDF文件第2页浏览型号LM317LB的Datasheet PDF文件第3页浏览型号LM317LB的Datasheet PDF文件第4页浏览型号LM317LB的Datasheet PDF文件第5页浏览型号LM317LB的Datasheet PDF文件第6页浏览型号LM317LB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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