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LM2931MX-5.0/NOPB

更新时间： 2024-11-09 12:02:11
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德州仪器 - TI 稳压器
页数 文件大小 规格书
29页 4176K
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LM2931-N Series Low Dropout Regulators

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LM2931MX-5.0/NOPB 数据手册

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LM2931-N  
www.ti.com  
SNOSBE5G –MARCH 2000–REVISED APRIL 2013  
LM2931-N Series Low Dropout Regulators  
Check for Samples: LM2931-N  
1
FEATURES  
DESCRIPTION  
The LM2931-N positive voltage regulator features a  
very low quiescent current of 1mA or less when  
supplying 10mA loads. This unique characteristic and  
the extremely low input-output differential required for  
proper regulation (0.2V for output currents of 10mA)  
make the LM2931-N the ideal regulator for standby  
power systems. Applications include memory standby  
circuits, CMOS and other low power processor power  
supplies as well as systems demanding as much as  
100mA of output current.  
2
•
•
•
•
•
•
•
•
•
•
Very Low Quiescent Current  
Output Current in Excess of 100 mA  
Input-output Differential Less than 0.6V  
Reverse Battery Protection  
60V Load Dump Protection  
−50V Reverse Transient Protection  
Short Circuit Protection  
Internal Thermal Overload Protection  
Mirror-image Insertion Protection  
Designed originally for automotive applications, the  
LM2931-N and all regulated circuitry are protected  
from reverse battery installations or 2 battery jumps.  
During line transients, such as a load dump (60V)  
when the input voltage to the regulator can  
momentarily exceed the specified maximum  
operating voltage, the regulator will automatically shut  
down to protect both internal circuits and the load.  
The LM2931-N cannot be harmed by temporary  
mirror-image insertion. Familiar regulator features  
such as short circuit and thermal overload protection  
are also provided.  
Available in TO-220, TO-92, TO-263, or SOIC-8  
Packages  
•
Available as Adjustable with TTL Compatible  
Switch  
The LM2931-N family includes a fixed 5V output  
(±3.8% tolerance for A grade) or an adjustable output  
with ON/OFF pin. Both versions are available in a  
TO-220 power package, DDPAK/TO-263 surface  
mount package, and an 8-lead SOIC package. The  
fixed output version is also available in the TO-92  
plastic package.  
Connection Diagrams  
FIXED VOLTAGE OUTPUT  
Figure 1. TO-220 3-Lead Power Package  
Front View  
Figure 2. DDPAK/TO-263 Surface-Mount Package  
Top View  
Figure 3. Side View  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2013, Texas Instruments Incorporated  
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LM2931MX-5.0/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM2931AMX-5.0/NOPB TI

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 LM2931-N Series Low Dropout Regulators
LM2931M-5.0/NOPB TI

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 LM2931-N Series Low Dropout Regulators
LM2931AM-5.0/NOPB TI

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 LM2931-N Series Low Dropout Regulators

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