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TPS62701YZFT PDF预览

TPS62701YZFT

更新时间： 2024-11-15 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 转换器放大器射频功率放大器
页数 文件大小 规格书
25页 887K
描述
2MHz 650mA Step-Down Converter for RF Power Amplifiers with Built in Clock Dittering Circuit and Tin 8-DSBGA -40 to 85

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TPS62701YZFT 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：ObsoleteReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.73
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODEJESD-30 代码：S-PBGA-B8
JESD-609代码：e1湿度敏感等级：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.65 A
封装主体材料：PLASTIC/EPOXY封装代码：FBGA
封装等效代码：BGA8,3X3,20封装形状：SQUARE
封装形式：GRID ARRAY, FINE PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：YES最大切换频率：2300 kHz
温度等级：INDUSTRIAL端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

TPS62701YZFT 数据手册

 浏览型号TPS62701YZFT的Datasheet PDF文件第2页浏览型号TPS62701YZFT的Datasheet PDF文件第3页浏览型号TPS62701YZFT的Datasheet PDF文件第4页浏览型号TPS62701YZFT的Datasheet PDF文件第5页浏览型号TPS62701YZFT的Datasheet PDF文件第6页浏览型号TPS62701YZFT的Datasheet PDF文件第7页 
TPS62700, TPS62701  
www.ti.com ................................................................................................................................................... SLVS784B–DECEMBER 2007–REVISED JUNE 2008  
2 MHz 650 mA Step Down Converter for RF Power Amplifiers in  
Tiny 8-pin WCSP Package  
1
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
High-Efficiency Step-Down Converter  
Output Current up to 650 mA  
VIN Range From 2.5 to 6.0 V  
The TPS6270x device is  
a
high-efficiency  
synchronous step-down DC-DC converter optimized  
for RF power-amplifier (PA) applications. It provides  
up to 650 mA of output current from a single Li-Ion  
cell.  
2.0-MHz Fixed-Frequency Operation  
Clock Dithering (TPS62701)  
Dynamic Voltage Control With External  
Reference (1.3 V to 3.09 V)  
The device converts input voltages from 2.5 to 6.0 V  
down to an output voltage set by an external analog  
reference voltage applied to the pin VCON. The  
output voltage follows the external reference by an  
internal gain of 2.5 within the limits of 1.3 V to 3.09 V.  
This scheme adjusts the output voltage of the DC/DC  
converter and therefore the output power of an  
RF-PA.  
•
Fast Output-Voltage Settling (1.3 V to 3.09 V in  
20 µs)  
•
•
•
•
•
Soft Start  
Overload Protection  
Undervoltage Lockout  
Thermal Protection  
8-Pin WCSP Package  
The TPS6270x operates in fixed-frequency PWM  
mode at a 2.0-MHz switching frequency to minimize  
RF interference. This converter operates with only  
three small external components; an input capacitor,  
inductor and output capacitor. The TPS62701 has in  
addition a built-in clock-dithering circuit to reduce RF  
noise.  
APPLICATIONS  
•
•
Cell Phones, Smart Phones  
Battery-Powered RF Amplifier  
The TPS6270x is available in a tiny 8 pin lead free  
WCSP package for smallest solution size.  
TYPICAL APPLICATION  
V
2.5 V to 6.0 V  
IN  
3.3 mH  
V
= 2.5 x VCON  
1.3 V to 3.09 V  
OUT  
10 mF  
AVIN  
PVIN  
SW  
FB  
4.7 mF  
EN  
VCON  
AGND  
PGND  
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 © 2007–2008, Texas Instruments Incorporated  
1234567...25

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