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LM3480IM3-12 PDF预览

LM3480IM3-12

更新时间: 2024-11-05 22:05:07
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
9页 280K
描述
100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator

LM3480IM3-12 数据手册

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June 1999  
LM3480  
100 mA, SOT-23, Quasi Low-Dropout Linear Voltage  
Regulator  
General Description  
Key Specifications  
n 30V maximum input for operation  
The LM3480 is an integrated linear voltage regulator. It fea-  
tures operation from an input as high as 30V and a guaran-  
teed maximum dropout of 1.2V at the full 100 mA load. Stan-  
dard packaging for the LM3480 is the 3-lead SuperSOT®  
package.  
n 1.2V guaranteed maximum dropout over full load and  
temperature ranges  
n 100 mA guaranteed minimum load current  
±
n
5% guaranteed output voltage tolerance over full load  
The 5, 12, and 15V members of the LM3480 series are in-  
tended as tiny alternatives to industry standard LM78LXX  
series and similar devices. The 1.2V quasi low dropout of  
LM3480 series devices makes them a nice fit in many appli-  
cations where the 2 to 2.5V dropout of LM78LXX series de-  
vices precludes their (LM78LXX series devices) use.  
and temperature ranges  
n −40 to +125˚C junction temperature range for operation  
Features  
n 3.3, 5, 12, and 15V versions available  
n Packaged in the tiny 3-lead SuperSOT package  
The LM3480 series features a 3.3V member. The SOT pack-  
aging and quasi low dropout features of the LM3480 series  
converge in this device to provide a very nice, very tiny 3.3V,  
100 mA bias supply that regulates directly off the system  
Applications  
n Tiny alternative to LM78LXX series and similar devices  
±
5V 5% power supply.  
±
n Tiny 5V 5% to 3.3V, 100 mA converter  
n Post regulator for switching DC/DC converter  
n Bias supply for analog circuits  
Typical Application Circuit  
DS100070-2  
Connection Diagram  
DS100070-1  
Top View  
SOT-23 Package  
3-Lead, Molded-Plastic Small-Outline Transistor (SOT) Package  
Package Code MA03B (Note 1)  
®
SuperSOT is a registered trademark of National Semiconductor.  
© 1999 National Semiconductor Corporation  
DS100070  
www.national.com  

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