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TPS61241YFF

更新时间： 2024-11-15 07:04:47
品牌 Logo 应用领域
德州仪器 - TI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器升压转换器
页数 文件大小 规格书
25页 917K
描述
3.5-MHz High Efficiency Step-Up Converter

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TPS61241YFF 技术参数

生命周期：Obsolete零件包装代码：BGA
包装说明：0.40 MM PITCH, DSBGA-6针数：6
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.23
Is Samacsys：N其他特性：ALSO HAS PFM CONTROL TECHNIQUE
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：2.3 V标称输入电压：3.6 V
JESD-30 代码：R-XBGA-B6长度：1.505 mm
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：0.45 A标称输出电压：5 V
封装主体材料：UNSPECIFIED封装代码：VFBGA
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
认证状态：Not Qualified座面最大高度：0.625 mm
表面贴装：YES切换器配置：BOOST
最大切换频率：3500 kHz温度等级：INDUSTRIAL
端子形式：BALL端子节距：0.4 mm
端子位置：BOTTOM宽度：1.105 mm
Base Number Matches：1

TPS61241YFF 数据手册

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TPS61240, TPS61241  
www.ti.com .............................................................................................................................................................. SLVS806A–APRIL 2009–REVISED MAY 2009  
3.5-MHz High Efficiency Step-Up Converter  
1
FEATURES  
DESCRIPTION  
•
Efficiency > 90% at Nominal Operating  
Conditions  
The TPS6124x device is a high efficient synchronous  
step up DC-DC converter optimized for products  
powered by either a three-cell alkaline, NiCd or  
NiMH, or one-cell Li-Ion or Li-Polymer battery. The  
TPS6124x supports output currents up to 450mA.  
The TPS61240 has an input valley current limit of  
500mA, and the TPS61241 has an input valley  
current of 600mA.  
•
•
•
•
•
•
•
Total DC Output Voltage Accuracy 5.0V±2%  
Typical 30 µA Quiescent Current  
Best in Class Line and Load Transient  
Wide VIN Range From 2.3V to 5.5V  
Output current up to 450mA  
Automatic PFM/PWM Mode transition  
With an input voltage range of 2.3V to 5.5V the  
device supports batteries with extended voltage  
range and are ideal to power portable applications  
like mobile phones and other portable equipment.  
The TPS6124x boost converter is based on a  
quasi-constant on-time valley current mode control  
scheme.  
Low Ripple Power Save Mode for Improved  
Efficiency at Light Loads  
•
•
•
•
Internal Softstart, 250µs typical Start-Up time  
3.5MHz Typical Operating Frequency  
Load Disconnect During Shutdown  
Current Overload and Thermal Shutdown  
Protection  
The TPS6124x presents a high impedance at the  
VOUT pin when shut down. This allows for use in  
applications that require the regulated output bus to  
be driven by another supply while the TPS6124x is  
shut down.  
•
Three Surface-Mount External Components  
Required (One MLCC Inductor, Two Ceramic  
Capacitors)  
Total Solution Size <13 mm2  
•
•
During light loads the device will automatically pulse  
skip allowing maximum efficiency at lowest quiescent  
currents. In the shutdown mode, the current  
consumption is reduced to less than 1µA.  
Available in a 6-pin WCSP and 2×2-SON  
Package  
APPLICATIONS  
TPS6124x allows the use of small inductors and  
capacitors to achieve a small solution size. During  
shutdown, the load is completely disconnected from  
the battery. The TPS6124x is available in a 6-pin  
WCSP and 2×2 SON package.  
•
•
•
•
•
•
USB-OTG Applications  
Portable HDMI Applications  
Cell Phones, Smart-Phones  
PDAs, Pocket PCs  
Portable Media Players  
Digital Cameras  
TPS61240  
V
1 mH  
V
5 V  
L
V
OUT  
OUT  
C
4.7 mF  
OUT  
V
IN  
IN  
FB  
C
EN  
2.2 mF  
IN  
GND  
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.  
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 © 2009, Texas Instruments Incorporated  
1234567...25

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