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TPS61260DRVR PDF预览

TPS61260DRVR

更新时间： 2024-02-22 00:54:01
品牌 Logo 应用领域
德州仪器 - TI 转换器输入元件升压转换器
页数 文件大小 规格书
21页 1003K
描述
TINY LOW INPUT VOLTAGE BOOST CONVERTER

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TPS61260DRVR 数据手册

 浏览型号TPS61260DRVR的Datasheet PDF文件第2页浏览型号TPS61260DRVR的Datasheet PDF文件第3页浏览型号TPS61260DRVR的Datasheet PDF文件第4页浏览型号TPS61260DRVR的Datasheet PDF文件第5页浏览型号TPS61260DRVR的Datasheet PDF文件第6页浏览型号TPS61260DRVR的Datasheet PDF文件第7页 
TPS61260, TPS61261  
www.ti.com  
SLVSA99 –MAY 2011  
TINY LOW INPUT VOLTAGE BOOST CONVERTER  
1
FEATURES  
•
•
•
Load Disconnect During Shutdown  
Undervoltage Lockout  
Available in a 2 × 2 mm, 6-pin SON Package  
2
•
Up to 95% Efficiency  
•
More than 50 mA Output Current at 3.3 V (VIN  
> 0.9 V)  
APPLICATIONS  
•
•
Input Voltage Range from 0.8 V to 4.0 V  
•
All single or dual cell Alkaline, NiCd or NiMH  
Battery Powered Products  
Fixed and Adjustable Output Voltage Options  
from 1.8 V to 4.0 V  
•
High Output Impedance Battery (Coin Cells)  
Powered Products  
•
Programmable Average Output Current from  
10 mA to 100 mA  
•
•
•
•
•
Personal Medical Products  
High Power LED's  
•
•
Up to 700 mA Switch Current Rating  
Power Save Mode for Improved Efficiency at  
Low Output Power  
Wireless Pointing Devices  
Wireless Headsets  
•
•
•
•
•
Low Quiescent Current  
Dynamic Switch Current Limit  
Advanced Softstart  
Industrial Metering Equipment  
Quasi Fixed Frequency Operation at 2.5 MHz  
Output Overvoltage Protection  
DESCRIPTION  
The TPS6126x devices provide a power supply solution for products powered by either single or dual cell  
alkaline, NiCd or NiMH battery. Its unique advanced softstart makes it also suitable for products powered by high  
output impedance battery types, like coin cells. Output currents can go as high as 100 mA while using a single  
cell alkaline battery, and discharge it down to 0.8 V or lower. The boost converter is based on a quasi fixed  
frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum  
efficiency. At low load currents, the converter enters Power Save Mode to ensure high efficiency over a wide  
load current range. The maximum average current in the switches is limited to a programmable value which can  
go as high as 700 mA. The output voltage is programmable using an external resistor divider, or is fixed  
internally on the chip. In addition to that the average output current can be programmed as well. The converter  
will then regulate the programmed output voltage or the programmed output current which ever demands lower  
output power. The converter can be disabled to minimize battery drain. During shutdown, the load is  
disconnected from the battery. The device is packaged in a 6-pin SON PowerPAD™ package measuring 2 × 2  
mm (DRV).  
L1  
VOUT  
FB  
L
V
OUT  
µ
H
4.7  
C2  
10µF  
R1  
R2  
V
IN  
0.8 V to 4.0 V  
VIN  
EN  
C1  
10µF  
GND  
RI  
R3  
TPS61260  
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.  
PowerPAD is a trademark of Texas Instruments.  
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 © 2011, Texas Instruments Incorporated  
1234567...21

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TPS61260DRVR 替代型号

型号 品牌 替代类型 描述 数据表
TPS61260DRVT TI

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