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TPS74310RGWR PDF预览

TPS74310RGWR

更新时间： 2024-11-21 20:06:35
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
28页 1001K
描述
Single Output LDO, 1.5A, Fixed (1.0V), Fast Transient Response, Programmable Powerup SequencingPower 20-VQFN -40 to 125

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TPS74310RGWR 技术参数

是否无铅： 含铅生命周期：Obsolete
Reach Compliance Code：unknown风险等级：5.84
Base Number Matches：1

TPS74310RGWR 数据手册

 浏览型号TPS74310RGWR的Datasheet PDF文件第2页浏览型号TPS74310RGWR的Datasheet PDF文件第3页浏览型号TPS74310RGWR的Datasheet PDF文件第4页浏览型号TPS74310RGWR的Datasheet PDF文件第5页浏览型号TPS74310RGWR的Datasheet PDF文件第6页浏览型号TPS74310RGWR的Datasheet PDF文件第7页 
TPS743xx  
www.ti.com  
SBVS065K –DECEMBER 2005–REVISED AUGUST 2010  
1.5A Ultra-LDO with Programmable Sequencing  
Check for Samples: TPS743xx  
1
FEATURES  
DESCRIPTION  
2
•
•
•
Track Pin Allows for Flexible Power-Up  
Sequencing  
The TPS743xx low-dropout (LDO) linear regulators  
provide an easy-to-use robust power management  
solution for a wide variety of applications. The  
TRACK pin allows the output to track an external  
supply. This feature is useful in minimizing the stress  
on ESD structures that are present between the  
CORE and I/O power pins of many processors. The  
enable input and power-good output allow easy  
sequencing with external regulators. This complete  
flexibility allows the user to configure a solution that  
meets the sequencing requirements of FPGAs,  
DSPs, and other applications with special start-up  
requirements.  
1% Accuracy Over Line, Load, and  
Temperature  
Supports Input Voltages as Low as 0.9V with  
External Bias Supply  
•
•
•
•
•
•
Adjustable Output (0.8V to 3.6V)  
Fixed Output (0.9V to 3.6V)  
Ultra-Low Dropout: 55mV at 1.5A (typ)  
Stable with Any or No Output Capacitor  
Excellent Transient Response  
Available in 5mm × 5mm × 1mm QFN and  
DDPAK-7 Packages  
A precision reference and error amplifier deliver 1%  
accuracy over load, line, temperature, and process.  
Each LDO is stable with low-cost ceramic output  
capacitors and the family is fully specified from –40°C  
to +125°C. The TPS743xx is offered in a small (5mm  
× 5mm) QFN package, yielding a highly compact total  
solution size. For applications that require additional  
power dissipation, the DDPAK (KTW) package is also  
available.  
•
•
Open-Drain Power-Good (5 × 5 QFN)  
Active High Enable  
APPLICATIONS  
•
•
•
•
FPGA Applications  
DSP Core and I/O Voltages  
Post-Regulation Applications  
Applications with Special Start-Up Time or  
Sequencing Requirements  
ADJUSTABLE VOLTAGE VERSION  
VIN  
CIN  
VPG  
IN  
PG  
OUT  
FB  
TPS74301  
R5  
R1  
R2  
EN  
VBIAS  
VOUT  
CBIAS  
BIAS  
COUT  
VTRACK  
TRACK  
IOUT = 500mA  
R3  
R4  
GND  
Optional  
VTRACK  
VPG  
FIXED VOLTAGE VERSION  
VIN  
CIN  
VPG  
IN  
PG  
OUT  
SNS  
TPS743xx  
R5  
EN  
VBIAS  
VOUT  
VOUT  
CBIAS  
BIAS  
COUT  
VTRACK  
TRACK  
R3  
R4  
GND  
Time (20ms/div)  
Optional  
Figure 1. Tracking Response  
Figure 2. Typical Application Circuit  
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
All trademarks are the property of their respective owners.  
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 © 2005–2010, Texas Instruments Incorporated  
1234567...28

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