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TPS737

更新时间： 2024-11-22 11:07:55
品牌 Logo 应用领域
德州仪器 - TI 电源电路线性稳压器IC
页数 文件大小 规格书
22页 974K
描述
具有反向电流保护和使能功能的 1A 超低压降稳压器

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中文翻译

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TPS737 数据手册

 浏览型号TPS737的Datasheet PDF文件第2页浏览型号TPS737的Datasheet PDF文件第3页浏览型号TPS737的Datasheet PDF文件第4页浏览型号TPS737的Datasheet PDF文件第5页浏览型号TPS737的Datasheet PDF文件第6页浏览型号TPS737的Datasheet PDF文件第7页 
TPS737xx  
www.ti.com.................................................................................................................................................... SBVS067I–JANUARY 2006–REVISED MARCH 2009  
1A Low-Dropout Regulator  
with Reverse Current Protection  
1
FEATURES  
DESCRIPTION  
2
•
Stable with 1.0µF or Larger Ceramic Output  
Capacitor  
The TPS737xx family of linear low-dropout (LDO)  
voltage regulators uses an NMOS pass element in a  
voltage-follower configuration. This topology is  
relatively insensitive to output capacitor value and  
ESR, allowing a wide variety of load configurations.  
Load transient response is excellent, even with a  
small 1.0µF ceramic output capacitor. The NMOS  
topology also allows very low dropout.  
•
•
•
Input Voltage Range: 2.2V to 5.5V  
Ultra-Low Dropout Voltage: 130mV typ at 1A  
Excellent Load Transient Response—Even  
With Only 1.0µF Output Capacitor  
•
NMOS Topology Delivers Low Reverse  
Leakage Current  
The TPS737xx family uses an advanced BiCMOS  
process to yield high precision while delivering very  
low dropout voltages and low ground pin current.  
Current consumption, when not enabled, is under  
20nA and ideal for portable applications. These  
devices are protected by thermal shutdown and  
foldback current limit.  
•
•
1.0% Initial Accuracy  
3% Overall Accuracy Over Line, Load, and  
Temperature  
•
•
Less Than 20nA typical IQ in Shutdown Mode  
Thermal Shutdown and Current Limit for Fault  
Protection  
DRB PACKAGE  
3mm x 3mm SON  
(TOP VIEW)  
•
Available in Multiple Output Voltage Versions  
–
–
Adjustable Output: 1.20V to 5.5V  
OUT  
N/C  
1
2
3
4
8
7
6
5
IN  
Custom Outputs Available Using Factory  
Package-Level Programming  
N/C  
N/C  
EN  
NR/FB  
GND  
APPLICATIONS  
•
Point of Load Regulation for DSPs, FPGAs,  
ASICs, and Microprocessors  
DCQ PACKAGE  
SOT223  
•
•
Post-Regulation for Switching Supplies  
Portable/Battery-Powered Equipment  
(TOP VIEW)  
6
3
TAB IS GND  
Optional  
VIN  
VOUT  
1.0mF  
IN  
OUT  
FB  
1
2
4
5
TPS737xx  
EN  
GND  
IN  
GND  
EN  
ON  
OFF  
OUT NR/FB  
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 © 2006–2009, Texas Instruments Incorporated  
1234567...22

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TPS737 替代型号

型号 品牌 替代类型 描述 数据表
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