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LM309K STEEL PDF预览

LM309K STEEL

更新时间： 2023-09-03 20:27:27
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
10页 291K
描述
采用气密封装的 1A 5V 输出线性稳压器/LDO | NDS | 2 | 0 to 125

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LM309K STEEL 数据手册

 浏览型号LM309K STEEL的Datasheet PDF文件第1页浏览型号LM309K STEEL的Datasheet PDF文件第3页浏览型号LM309K STEEL的Datasheet PDF文件第4页浏览型号LM309K STEEL的Datasheet PDF文件第5页浏览型号LM309K STEEL的Datasheet PDF文件第6页浏览型号LM309K STEEL的Datasheet PDF文件第7页 
April 1998  
LM109/LM309  
5-Volt Regulator  
General Description  
does improve transient response somewhat. Input bypass-  
ing is needed, however, if the regulator is located very far  
from the filter capacitor of the power supply. Stability is also  
achieved by methods that provide very good rejection of load  
or line transients as are usually seen with TTL logic.  
The LM109 series are complete 5V regulators fabricated on  
a single silicon chip. They are designed for local regulation  
on digital logic cards, eliminating the distribution problems  
association with single-point regulation. The devices are  
available in two standard transistor packages. In the  
solid-kovar TO-5 header, it can deliver output currents in  
excess of 200 mA, if adequate heat sinking is provided. With  
the TO-3 power package, the available output current is  
greater than 1A.  
Although designed primarily as a fixed-voltage regulator, the  
output of the LM109 series can be set to voltages above 5V,  
as shown. It is also possible to use the circuits as the control  
element in precision regulators, taking advantage of the  
good current-handling capability and the thermal overload  
protection.  
The regulators are essentially blowout proof. Current limiting  
is included to limit the peak output current to a safe value. In  
addition, thermal shutdown is provided to keep the IC from  
overheating. If internal dissipation becomes too great, the  
regulator will shut down to prevent excessive heating.  
Features  
n Specified to be compatible, worst case, with TTL and  
DTL  
n Output current in excess of 1A  
n Internal thermal overload protection  
n No external components required  
Considerable effort was expended to make these devices  
easy to use and to minimize the number of external compo-  
nents. It is not necessary to bypass the output, although this  
Schematic Diagram  
DS007138-1  
© 2001 National Semiconductor Corporation  
DS007138  
www.national.com  
1234567...10

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LM309K STEEL 替代型号

型号 品牌 替代类型 描述 数据表
LM309H TI

类似代替

 采用气密封装的 1A 5V 输出线性稳压器/LDO | NDT | 3 | 0 to 12
LM109H TI

类似代替

 扩展温度 1A 5V 输出线性稳压器/LDO | NDT | 3 | -55 to 150
LM109H/883 TI

类似代替

 LM109QML 5-Volt Regulator

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