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REG710NA-2.5 PDF预览

REG710NA-2.5

更新时间： 2024-11-18 02:52:23
品牌 Logo 应用领域
德州仪器 - TI 泵
页数 文件大小 规格书
23页 785K
描述
60mA, 5.0V, Buck/Boost Charge Pump in ThinSOT-23 and ThinQFN

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REG710NA-2.5 数据手册

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REG710  
www.ti.com ............................................................................................................................................... SBAS221F–DECEMBER 2001–REVISED MARCH 2008  
60mA, 5.0V, Buck/Boost Charge Pump  
in ThinSOT-23 and ThinQFN  
1
FEATURES  
DESCRIPTION  
2
•
Wide Input Range: 1.8V to 5.5V  
Automatic Step-Up/Step-Down Operation  
Low Input Current Ripple  
The REG710 is  
a switched capacitor voltage  
converter that produces a regulated, low-ripple output  
voltage from an unregulated input voltage. A wide  
input supply voltage of 1.8V to 5.5V makes the  
REG710 ideal for a variety of battery sources, such  
as single-cell Li-Ion, or two- and three-cell nickel- or  
alkaline-based chemistries.  
•
•
•
•
Low Output Voltage Ripple  
Minimum Number of External  
Components—No Inductors  
•
1MHz Internal Oscillator Allows Small  
Capacitors  
The input voltage may vary above and below the  
output voltage and the output remains in regulation. It  
works equally well for step-up or step-down  
applications without the need for an inductor,  
providing low EMI dc/dc conversion. The high  
switching frequency allows the use of small  
surface-mount capacitors, saving board space and  
reducing cost. The REG710 is thermally protected  
and current limited, protecting the load and the  
regulator during fault conditions. Typical ground pin  
current (quiescent current) is 65µA with no load, and  
less than 1µA in shutdown mode.  
•
•
•
Shutdown Mode  
Thermal and Current Limit Protection  
Six Output Voltages Available:  
–
5.5V, 5.0V, 3.3V, 3.0V, 2.7V, 2.5V  
•
Small Packages:  
–
–
–
SOT23-6  
TSOT23-6 (REG71055 and REG71050 Only)  
TQFN-6 (2×2×0.8mm; REG71050 Only)  
CPUMP  
•
Evaluation Modules Available:  
REG710EVM-33, REG710EVM-5  
0.22mF  
–
Enable  
APPLICATIONS  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Smart Card Readers  
SIM Card Supplies  
Cellular Phones  
Portable Communication Devices  
Personal Digital Assistants  
Notebook and Palm-Top Computers  
Modems  
Electronic Games  
Handheld Meters  
PCMCIA Cards  
Card Buses  
REG71050  
REG710-5  
3.3V to  
R
R
R
4.2V  
CIN  
COUT  
2.2mF  
2.2mF  
GND  
LED  
LED  
LED  
REG710 Used in White LED Backlight Application  
White LED Drivers  
LCD Displays  
Battery Backup Supplies  
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.  
2
All trademarks are the property of their respective owners.  
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 © 2001–2008, Texas Instruments Incorporated  
1234567...23

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