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TL5209_10

更新时间： 2024-11-29 11:47:11
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德州仪器 - TI 稳压器
页数 文件大小 规格书
21页 501K
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500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR WITH SHUTDOWN

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TL5209  
500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR  
WITH SHUTDOWN  
www.ti.com  
SLVS581A–SEPTEMBER 2006–REVISED MAY 2007  
FEATURES  
•
•
•
•
Adjustable Output Voltage  
•
•
•
•
Current Limiting and Thermal Protection  
Stable With Minimum Load of 1 mA  
Reverse-Battery Protection  
Applications  
1%/2% Accuracy (25°C/Full Range)  
500-mV (Max) Dropout at Full Load of 500 mA  
Extremely Tight Regulation Over Temperature  
Range  
–
Portable Applications (PDAs, Laptops,  
Cell Phones)  
–
–
0.1%/V (Max) Line Regulation  
0.7% (Max) Load Regulation  
–
–
Consumer Electronics  
•
•
•
Ultra-Low Noise Capability (300 nV/√Hz Typ)  
Shutdown Current of 3 µA (Max)  
Low Temperature Coefficient  
Post-Regulation for SMPS  
•
Available in Convenient SOIC-8  
Surface-Mount Package  
D PACKAGE  
(TOP VIEW)  
1
2
3
4
8
7
6
5
EN  
GND  
GND  
GND  
GND  
IN  
OUT  
ADJ/BYP  
DESCRIPTION/ORDERING INFORMATION  
The TL5209 is an efficient PNP low-dropout (LDO) regulator that is well suited for portable applications. It has  
significantly lower quiescent current than previously was available from traditional PNP regulators and allows for  
a shutdown current of only 0.05 µA (typical). The TL5209 also has very good dropout voltage characteristics,  
requiring a maximum dropout of 60 mV at light loads and 500 mV at full load. In addition, the LDO also has 1%  
output voltage accuracy and extremely tight line and load regulation that is hard to match by its CMOS  
counterparts.  
For noise-sensitive applications, the TL5209 allows for low-noise capability via an external bypass capacitor  
connected to the BYP pin, which reduces the output noise of the regulator. Other features include current  
limiting, thermal shutdown, reverse-battery protection, and low temperature coefficient.  
The TL5209 is available with adjustable output. Offered in an SOIC-8 surface-mount package, the TL5209 is  
characterized for operation over the virtual junction temperature ranges of –40°C to 125°C.  
ORDERING INFORMATION(1)  
TJ  
PACKAGE(2)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
–40°C to 125°C  
SOIC – D  
Reel of 2000  
TL5209DR  
TL5209  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
website at www.ti.com.  
(2) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at  
www.ti.com/sc/package.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006–2007, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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