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LM2941T/LB03 PDF预览

LM2941T/LB03

更新时间： 2024-11-22 12:02:11
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德州仪器 - TI 稳压器
页数 文件大小 规格书
26页 3237K
描述
LM2941/LM2941C 1A Low Dropout Adjustable Regulator

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LM2941T/LB03 数据手册

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LM2941, LM2941C  
www.ti.com  
SNVS770G –JUNE 1999–REVISED APRIL 2013  
LM2941/LM2941C 1A Low Dropout Adjustable Regulator  
Check for Samples: LM2941, LM2941C  
1
FEATURES  
DESCRIPTION  
The LM2941 positive voltage regulator features the  
ability to source 1A of output current with a typical  
dropout voltage of 0.5V and a maximum of 1V over  
2
•
•
•
•
•
•
•
•
•
•
WSON Space Saving Package  
Output Voltage Adjustable From 5V to 20V  
Dropout Voltage Typically 0.5V @ IO = 1A  
Output Current in Excess of 1A  
Trimmed Reference Voltage  
the entire temperature range. Furthermore,  
a
quiescent current reduction circuit has been included  
which reduces the ground pin current when the  
differential between the input voltage and the output  
voltage exceeds approximately 3V. The quiescent  
current with 1A of output current and an input-output  
differential of 5V is therefore only 30mA. Higher  
quiescent currents only exist when the regulator is in  
the dropout mode (VIN − VOUT ≤ 3V).  
Reverse Battery Protection  
Internal Short Circuit Current Limit  
Mirror Image Insertion Protection  
P+ Product Enhancement Tested  
TTL, CMOS Compatible ON/OFF Switch  
Designed also for vehicular applications, the LM2941  
and all regulated circuitry are protected from reverse  
battery installations or two-battery jumps. During line  
transients, such as load dump when the input voltage  
can momentarily exceed the specified maximum  
operating voltage, the regulator will automatically shut  
down to protect both the internal circuits and the load.  
Familiar regulator features such as short circuit and  
thermal overload protection are also provided.  
Connection Diagrams  
TO-220 Plastic Package  
8-Lead WSON Surface Mount Package  
ADJ  
ON/OFF  
1
2
3
4
8
7
6
5
GND  
GND  
INPUT  
N/C  
GND*  
N/C  
Figure 1. Top View  
See Package Number KC  
OUTPUT  
TO-263 Surface-Mount Package  
* TIE TO GND OR LEAVE FLOATING  
Figure 3. Top View  
See Package Number NGN  
Figure 2. See Package Number KTT  
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 © 1999–2013, Texas Instruments Incorporated  
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LM2941T/LB03 替代型号

型号 品牌 替代类型 描述 数据表
LM2941T/NOPB TI

完全替代

 LM2941/LM2941C 1A Low Dropout Adjustable Regulator
LM2941CT/NOPB TI

完全替代

 LM2941/LM2941C 1A Low Dropout Adjustable Regulator
LM2941T TI

完全替代

 LM2941/LM2941C 1A Low Dropout Adjustable Regulator

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