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LP38512_15

更新时间： 2024-09-13 01:14:27
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德州仪器 - TI /
页数 文件大小 规格书
21页 1156K
描述
1.5A Fast-Transient Response Low-Dropout Linear Voltage Regulator with Error Flag

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LP38512_15 数据手册

 浏览型号LP38512_15的Datasheet PDF文件第2页浏览型号LP38512_15的Datasheet PDF文件第3页浏览型号LP38512_15的Datasheet PDF文件第4页浏览型号LP38512_15的Datasheet PDF文件第5页浏览型号LP38512_15的Datasheet PDF文件第6页浏览型号LP38512_15的Datasheet PDF文件第7页 
LP38512  
www.ti.com  
SNOSAU7F –NOVEMBER 2007–REVISED APRIL 2013  
LP38512-1.8 1.5A Fast-Transient Response Low-Dropout Linear Voltage Regulator with  
Error Flag  
Check for Samples: LP38512  
1
FEATURES  
DESCRIPTION  
The LP38512-1.8 Fast-Transient Response Low-  
Dropout Voltage Regulator offers the highest-  
performance in meeting AC and DC accuracy  
requirements for powering Digital Cores. The  
LP38512-1.8 uses a proprietary control loop that  
enables extremely fast response to change in line  
conditions and load demands. Output Voltage DC  
accuracy is specified at 2.5% over line, load and full  
temperature range from -40°C to +125°C. The  
LP38512-1.8 is designed for inputs from the 2.5V,  
3.3V, and 5.0V rail, is stable with 10 μF ceramic  
capacitors, and has a fixed 1.8V output. An Error Flag  
feature monitors the output voltage and notifies the  
system processor when the output voltage falls more  
than 15% below the nominal value. The LP38512-1.8  
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.  
2
•
2.25V to 5.5V Input Voltage Range  
1.8V Fixed Output Voltage  
1.5A Output Load Current  
•
•
•
±2.5% Accuracy Over Line, Load, and Full-  
Temperature Range from -40°C to +125°C  
•
•
Stable with Tiny 10 µF Ceramic Capacitors  
0.20% Output Voltage Load Regulation from 10  
mA to 1.5A  
•
•
•
•
•
Enable Pin  
Error Flag Indicates Status of Output Voltage  
1uA of Quiescent Current in Shutdown  
40dB of PSRR at 100 kHz  
Over-Temperature and Over-Current  
Protection  
•
DDPAK/TO-263 and PFM Surface Mount  
Packages  
APPLICATIONS  
•
•
•
•
•
•
Digital Core ASICs, FPGAs, and DSPs  
Servers  
Routers and Switches  
Base Stations  
Storage Area Networks  
DDR2 Memory  
Typical Application Circuit  
V
IN  
OUT  
V
OUT  
IN  
C
10 mF  
Ceramic  
C
10 mF  
Ceramic  
IN  
OUT  
LP38512  
10 kW  
ON  
OFF  
EN  
V
EN  
ERROR  
GND  
GND  
GND  
V
ERROR  
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 © 2007–2013, Texas Instruments Incorporated  
 
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