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LP2951-2.85 PDF预览

LP2951-2.85

更新时间： 2024-11-23 12:27:51
品牌 Logo 应用领域
戈采 - FCI 稳压器便携式
页数 文件大小 规格书
3页 122K
描述
100mA Low Drop Out Voltage Regulators Portable consumer equipment

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LP2951-2.85 技术参数

生命周期：Contact Manufacturer包装说明：,
Reach Compliance Code：unknown风险等级：5.59

LP2951-2.85 数据手册

 浏览型号LP2951-2.85的Datasheet PDF文件第2页浏览型号LP2951-2.85的Datasheet PDF文件第3页 
LP2950/LP2951 100mA Low Drop Out Voltage Regulators  
FEATURES  
APPLICATIONS  
·
·
·
·
·
·
·
·
·
·
High accuracy output voltage  
Guaranteed 100mA output  
Very low quiescent current  
Low dropout voltage  
Extremely tight load and line regulation  
Very low temperature coefficient  
Needs only 1mF for stability  
Error Flag warns of output dropout  
Logic-Controlled electronic shutdown  
Output programmable from 1.24 to 29V  
·
·
·
·
·
·
·
·
·
·
Battery powered systems  
Cordless telephones  
Radio control systems  
Portable/Palm top/Notebook computers  
Portable consumer equipment  
Portable Instrumentation  
Avionics  
Automotive Electronics  
SMPS Post-Regulator  
Voltage Reference  
PRODUCT DESCRIPTION  
The LP2950-XX/LP2951-XX is a low power voltage regulator. This device excellent choice for use in battery powered application such as c  
ordless telephone, radio control systems, and portable computers.  
The LP2950-XX/LP2951-XX features very low quiescent current (75mA Typ.) and very low drop output voltage (Typ.  
40mV at light load and 380mV at 100mA). This includes a tight initial tolerance of 0.5% typ., extremely good load  
and line regulation of 0.05% typ., and very low output temperature coefficient, making the LP2950-XX/LP2951-XX  
useful as a low-power voltage reference.  
The error flag output feature is used as power-on reset for warn of a low output voltage, due to following batteries on input. Other feature i  
s the logic-compatible shutdown input which enable the regulator to be switched on and off.  
The LP2951-XX is available in 8-pin plastic packages. The regulator output voltage may be pin-strapped for a -XX volt or programmed from  
1.24 volt to 29 volts with external pair of resistors.  
The LP2950-XX is offered in 3-pin TO-92 package compatible with other fixed regulator.  
Absolute Maximum Ratings  
Power Dissipation  
Internally Limited  
Pin Connection  
LP2951-XX  
Lead Temperature  
(Soldering, 5 seconds)  
260°C  
Storage Temperature Range  
Operating Junction Temperature Range  
Input Supply Voltage  
-65°C to+150°C  
-55°C to +150°C  
-0.3 to +30V  
Feedback Input Voltage  
-1.5 to +30V  
Shutdown Input Voltage  
-0.3 to +30V  
Top View  
TO-92 Plastic Package  
(LP2950-XX only)  
Error Comparator Output  
-0.3 to +30V  
Device Selection Guide  
Vout, V  
olts  
Device  
2.85*  
3.0  
3.3  
LP2950-2.85, LP2951-2.85  
LP2950-3.0, LP2951-3.0  
LP2950-3.3, LP2951-3.3  
LP2950-5.0, LP2951-5.0  
Bottom View  
5.0  
* - other versions are also available  
Vout = 2.0V to 5.0V. Please consult factory for  
more information  
Figure 1. Adjustable Regulator  
123

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