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TPS73733DCQRG4

更新时间： 2024-09-16 05:52:31
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
22页 973K
描述
1A Low-Dropout Regulator with Reverse Current Protection

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TPS73733DCQRG4 数据手册

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TPS737xx  
www.ti.com ....................................................................................................................................................... SBVS067H–JANUARY 2006–REVISED MAY 2008  
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  
•
•
1.0% Initial Accuracy  
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.  
3% Overall Accuracy Over Line, Load, and  
Temperature  
•
•
Less Than 20nA typical IQ in Shutdown Mode  
Thermal Shutdown and Current Limit for Fault  
Protection  
•
Available in Multiple Output Voltage Versions  
DRB PACKAGE  
3mm x 3mm SON  
(TOP VIEW)  
–
–
Adjustable Output: 1.20V to 5.5V  
Custom Outputs Available Using Factory  
Package-Level Programming  
OUT  
N/C  
1
2
3
4
8
7
6
5
IN  
N/C  
N/C  
EN  
NR/FB  
GND  
APPLICATIONS  
•
Point of Load Regulation for DSPs, FPGAs,  
ASICs, and Microprocessors  
•
•
Post-Regulation for Switching Supplies  
Portable/Battery-Powered Equipment  
DCQ PACKAGE  
SOT223  
(TOP VIEW)  
Optional  
VIN  
6
3
TAB IS GND  
VOUT  
1.0mF  
IN  
OUT  
FB  
TPS737xx  
1
2
4
5
EN  
GND  
ON  
OFF  
IN  
GND  
EN  
Typical Application Circuit  
OUT NR/FB  
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 © 2006–2008, Texas Instruments Incorporated  
1234567...22

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TPS73733DCQRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS73733DCQR TI

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