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TPS62731DRYR PDF预览

TPS62731DRYR

更新时间： 2024-11-15 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 转换器无线
页数 文件大小 规格书
27页 4702K
描述
SWITCHING REGULATOR, 3000kHz SWITCHING FREQ-MAX, PDSO6, 1 X 1.50 MM, 0.60 MM HEIGHT, PLASTIC, MO-287UFAD, SON-6

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TPS62731DRYR 技术参数

生命周期：Obsolete零件包装代码：SON
包装说明：1 X 1.50 MM, 0.60 MM HEIGHT, PLASTIC, MO-287UFAD, SON-6针数：6
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
Is Samacsys：N其他特性：PFM AND PWM CONTROL TECHNIQUE ALSO POSSIBLE AND ALSO OPERATES IN VOLTAGE MODE
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：HYSTERETIC CURRENT MODE最大输入电压：3.9 V
最小输入电压：1.9 V标称输入电压：3 V
JESD-30 代码：R-PDSO-N6长度：1.45 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
标称输出电压：2.05 V封装主体材料：PLASTIC/EPOXY
封装代码：VSON封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY THIN PROFILE认证状态：Not Qualified
座面最大高度：0.6 mm表面贴装：YES
切换器配置：BUCK最大切换频率：3000 kHz
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
宽度：1 mmBase Number Matches：1

TPS62731DRYR 数据手册

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TPS62730  
www.ti.com  
SLVSAC3 –MAY 2011  
Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications  
Check for Samples: TPS62730  
1
FEATURES  
DESCRIPTION  
The TPS62730 is a high frequency synchronous step  
down DC-DC converter optimized for ultra low power  
wireless applications. The device is optimized to  
supply TI's Low Power Wireless sub 1GHz and  
•
•
•
•
•
•
Input Voltage Range VIN from 1.9V to 3.9V  
Typ. 30nA Ultra Low Power Bypass Mode  
Typ. 25 μA DC/DC Quiescent Current  
Internal Feedback Divider Disconnect  
Typ. 2.1Ω Bypass Switch between VIN and VOUT  
2.4GHz  
RF  
transceivers  
and  
System-On-Chip-solutions. The TPS62730 reduces  
the current consumption drawn from the battery  
during TX and RX mode by a high efficient step down  
voltage conversion. It provides up to 100mA output  
current and allows the use of tiny and low cost chip  
inductors and capacitors. With an input voltage range  
of 1.9V to 3.9V the device supports Li-primary battery  
chemistries such as Li-SOCl2, Li-SO2, Li-MnO2 and  
also two cell alkaline batteries.  
Automatic Transition from DC/DC to Bypass  
Mode  
•
•
•
•
•
•
Up To 3MHz switch frequency  
Up to 95% DC/DC Efficiency  
Open Drain Status Output STAT  
Output Peak Current up to 100mA  
Fixed Output Voltage 2.1V  
Small External Output Filter Components  
2.2μH/ 2.2μF  
Optimized For Low Output Ripple Voltage  
Small 1 × 1.5 × 0.6mm3 SON Package  
12 mm2 Minimum Solution Size  
The TPS62730 features an Ultra Low Power bypass  
mode with typical 30nA current consumption to  
support sleep and low power modes of TI's CC2540  
Bluetooth Low Energy and CC430 System-On-Chip  
solutions. In this bypass mode, the output capacitor  
of the DC/DC converter is connected via an  
integrated typ. 2.1Ω Bypass switch to the battery.  
•
•
•
APPLICATIONS  
In DC/DC operation mode the device provides a  
regulated output voltage of 2.1V to the system. With a  
switch frequency up to 3MHz, the TPS62730 features  
low output ripple voltage and low noise even with a  
small 2.2uF output capacitor. The automatic transition  
into bypass mode during DC/DC operation prevents  
an increase of output ripple voltage and noise once  
the DC/DC converter operates close to 100% duty  
cycle. The device automatically enters bypass mode  
once the battery voltage falls below the transition  
threshold VIT BYP . The TPS62730 is available in a 1 ×  
1.5mm2 6 pin QFN package.  
•
CC2540 Bluetooth Low Energy  
System-On-Chip Solution  
Low Power Wireless Applications  
RF4CE, Metering  
•
•
29  
IBAT NO TPS62730  
27  
25  
Battery Current  
Reduction @  
CC2540  
23  
21  
19  
17  
15  
0dBm CW TX  
Power  
VOUT  
2.1V  
VIN  
2.2V - 3.9V*  
TPS62730  
L 2.2mH  
VIN  
SW  
IBAT With TPS62730  
VOUT  
GND  
COUT  
2.2µF  
Rpullup  
CIN  
2.2µF  
ON  
BYP  
Battery Current Reduction of CC2540  
2.4GHz Bluetooth Low Energy  
System-On-Chip Solution  
ON/BYP STAT  
* At VIN < 2.2V, VOUT tracks VIN  
2
2.2 2.4 2.6 2.8  
3
3.2 3.4 3.6 3.8  
Battery Voltage - VBAT  
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 © 2011, Texas Instruments Incorporated  
1234567...27

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