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TPS62242-Q1

更新时间： 2024-02-01 17:56:04
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
21页 700K
描述
2.25-MHz 300-mA Step-Down Converter in DDC/TSOT23 Package

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TPS62242-Q1 数据手册

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TPS62242-Q1  
www.ti.com  
SLVSB38A –MARCH 2011–REVISED MARCH 2012  
2.25-MHz 300-mA Step-Down Converter in DDC/TSOT23 Package  
Check for Samples: TPS62242-Q1  
1
FEATURES  
DESCRIPTION  
The TPS62242-Q1 device is  
synchronous step-down dc-dc converter optimized for  
battery-powered portable applications. It provides up  
to 300 mA of output current from a single Li-Ion cell  
and is ideal to power portable applications like mobile  
phones and other portable equipment.  
23  
•
Qualified for Automotive Applications  
a
high-efficiency  
•
AEC-Q100 Qualified With the Following  
Results:  
–
–
–
Device Temperature Grade 2  
Device HBM ESD Classification Level H2  
Device CDM ESD Classification Level C3B  
With an input voltage range of 2 V to 6 V, the device  
supports applications powered by Li-Ion batteries with  
extended voltage range, two- and three-cell alkaline,  
3.3-V and 5-V input voltage rails.  
•
•
•
•
•
•
•
•
•
•
•
High Efficiency – Greater than 94%  
Output Current up to 300 mA  
VIN Range From 2 V to 6 V  
2.25-MHz Fixed-Frequency Operation  
Power-Save Mode at Light Load Currents  
Output Voltage Accuracy in PWM Mode ±1.5%  
Adjustable Output Voltage from 0.6 V to VIN  
Typical 15 μA Quiescent Current  
100% Duty Cycle for Lowest Dropout  
Available in a TSOT23 Package  
The TPS62242-Q1 operates at 2.25-MHz fixed  
switching frequency and enters the power-save mode  
of operation at light load currents to maintain high  
efficiency over the entire load current range.  
The power-save mode is optimized for low output-  
voltage ripple. In the shutdown mode, the current  
consumption is reduced to less than  
1
μA.  
TPS62242-Q1 allows the use of small inductors and  
capacitors to achieve a small solution size.  
Allows < 1-mm Solution Height  
The TPS62242-Q1 is available in a 5-pin TSOT23  
package.  
APPLICATIONS  
•
•
•
•
•
•
Automotive Applications  
Bluetooth™ Headset  
Cell Phones, Smart-Phones  
WLAN  
Low-Power DSP Supply  
Portable Media Players  
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
3
PowerPAD is a trademark of Texas Instruments.  
Bluetooth is a trademark of Bluetooth SIG, Inc..  
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 © 2011–2012, Texas Instruments Incorporated  
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TPS62242-Q1 替代型号

型号 品牌 替代类型 描述 数据表
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