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LM78L15ACMX PDF预览

LM78L15ACMX

更新时间: 2024-11-22 21:54:03
品牌 Logo 应用领域
美国国家半导体 - NSC 三端稳压器
页数 文件大小 规格书
14页 683K
描述
3-Terminal Positive Regulators

LM78L15ACMX 数据手册

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February 2005  
LM78LXX Series  
3-Terminal Positive Regulators  
General Description  
nal power dissipation. If internal power dissipation becomes  
too high for the heat sinking provided, the thermal shutdown  
circuit takes over preventing the IC from overheating.  
The LM78LXX series of three terminal positive regulators is  
available with several fixed output voltages making them  
useful in a wide range of applications. When used as a zener  
diode/resistor combination replacement, the LM78LXX usu-  
ally results in an effective output impedance improvement of  
two orders of magnitude, and lower quiescent current. These  
regulators can provide local on card regulation, eliminating  
Features  
n LM78L05 in micro SMD package  
n Output voltage tolerances of 5% over the temperature  
range  
the distribution problems associated with single point regu-  
lation. The voltages available allow the LM78LXX to be used  
in logic systems, instrumentation, HiFi, and other solid state  
electronic equipment.  
n Output current of 100mA  
n Internal thermal overload protection  
n Output transistor safe area protection  
n Internal short circuit current limit  
n Available in plastic TO-92 and plastic SO-8 low profile  
packages  
n No external components  
n Output voltages of 5.0V, 6.2V, 8.2V, 9.0V, 12V, 15V  
n See AN-1112 for micro SMD considerations  
The LM78LXX is available in the plastic TO-92 (Z) package,  
the plastic SO-8 (M) package and a chip sized package  
(8-Bump micro SMD) using National’s micro SMD package  
technology. With adequate heat sinking the regulator can  
deliver 100mA output current. Current limiting is included to  
limit the peak output current to a safe value. Safe area  
protection for the output transistors is provided to limit inter-  
Connection Diagrams  
(TO-92)  
Plastic Package (Z)  
SO-8 Plastic (M)  
(Narrow Body)  
00774403  
00774402  
Bottom View  
Top View  
micro SMD Marking Orientation  
8-Bump micro SMD  
00774424  
Top View  
(Bump Side Down)  
00774433  
Top View  
© 2005 National Semiconductor Corporation  
DS007744  
www.national.com  

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