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LP38513-ADJ PDF预览

LP38513-ADJ

更新时间： 2024-09-16 11:12:31
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
18页 1103K
描述
具有低噪声和使能功能的 3A、可调节超低压降稳压器

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LP38513-ADJ 数据手册

 浏览型号LP38513-ADJ的Datasheet PDF文件第2页浏览型号LP38513-ADJ的Datasheet PDF文件第3页浏览型号LP38513-ADJ的Datasheet PDF文件第4页浏览型号LP38513-ADJ的Datasheet PDF文件第5页浏览型号LP38513-ADJ的Datasheet PDF文件第6页浏览型号LP38513-ADJ的Datasheet PDF文件第7页 
LP38513-ADJ  
www.ti.com  
SNVS514C –JANUARY 2009–REVISED APRIL 2013  
LP38513-ADJ 3A Fast-Transient Response Adjustable Low-Dropout Linear Voltage  
Regulator  
Check for Samples: LP38513-ADJ  
1
FEATURES  
APPLICATIONS  
2
•
2.25V to 5.5V Input Voltage Range  
•
•
•
•
•
•
Digital Core ASICs, FPGAs, and DSPs  
Servers  
•
Adjustable Output Voltage Range of 0.5V to  
4.5V  
Routers and Switches  
Base Stations  
•
•
3.0A Output Load Current  
±2.0% Accuracy over Line, Load, and Full-  
Temperature Range from -40°C to +125°C  
Storage Area Networks  
DDR2 Memory  
•
•
•
Stable with tiny 10 µF ceramic capacitors  
Enable pin  
DESCRIPTION  
The LP38513-ADJ Fast-Transient Response Low-  
Dropout Voltage Regulator offers the highest-  
performance in meeting AC and DC accuracy  
requirements for powering Digital Cores. The  
LP38513-ADJ uses a proprietary control loop that  
enables extremely fast response to change in line  
conditions and load demands. Output Voltage DC  
accuracy at 2.5% over line, load and full temperature  
range from -40°C to +125°C. The LP38513-ADJ is  
designed for inputs from the 2.5V, 3.3V, and 5.0V rail,  
is stable with 10 μF ceramic capacitors, and has an  
adjustable output voltage. The LP38513-ADJ  
provides excellent transient performance to meet the  
demand of high performance digital core ASICs,  
DSPs, and FPGAs found in highly-intensive  
applications such as servers, routers/switches, and  
base stations.  
Typically less than 1 µA of Ground pin current  
when Enable pin is low  
•
•
25dB of PSRR at 100 kHz  
Over-Temperature and Over-Current  
Protection  
•
TO-263 THIN 5-Pin Surface Mount Package  
Typical Application Circuit  
IN  
V
OUT  
V
OUT  
IN  
C
10 mF  
Ceramic  
IN  
R1  
R2  
LP38513-ADJ  
ON  
OFF  
C
FF  
C
OUT  
10 mF  
Ceramic  
V
EN  
EN  
ADJ  
GND  
GND  
GND  
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 © 2009–2013, Texas Instruments Incorporated  
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