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TPS73250-EP

更新时间： 2024-09-14 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
21页 567K
描述
具有反向电流保护功能的无电容 NMOS 250mA 低压降稳压器（增强型产品）

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TPS73250-EP 数据手册

 浏览型号TPS73250-EP的Datasheet PDF文件第2页浏览型号TPS73250-EP的Datasheet PDF文件第3页浏览型号TPS73250-EP的Datasheet PDF文件第4页浏览型号TPS73250-EP的Datasheet PDF文件第5页浏览型号TPS73250-EP的Datasheet PDF文件第6页浏览型号TPS73250-EP的Datasheet PDF文件第7页 
TPS73201-EP, TPS73215-EP  
TPS73216-EP, TPS73218-EP, TPS73225-EP  
TPS73230-EP, TPS73233-EP, TPS73250-EP  
www.ti.com  
SGLS346–JUNE 2006  
CAP-FREE NMOS 250-mA LOW DROPOUT REGULATOR  
WITH REVERSE CURRENT PROTECTION  
FEATURES  
APPLICATIONS  
•
•
•
•
Portable/Battery-Powered Equipment  
Post-Regulation for Switching Supplies  
Noise-Sensitive Circuitry such as VCOs  
Point of Load Regulation for DSPs, FPGAs,  
ASICs, and Microprocessors  
•
Controlled Baseline  
– One Assembly/Test Site, One Fabrication  
Site  
•
•
Extended Temperature Performance of  
–55°C to 125°C  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
Optional  
Optional  
•
•
•
Enhanced Product-Change Notification  
VIN  
VOUT  
IN  
OUT  
TPS732xx  
GND NR  
(1)  
Qualification Pedigree  
Stable with No Output Capacitor or Any Value  
or Type of Capacitor  
EN  
•
•
Input Voltage Range: 1.7 V to 5.5 V  
Optional  
Typical Application Circuit for Fixed-Voltage Versions  
Ultralow Dropout Voltage:  
40 mV Typ at 250 mA  
•
•
Excellent Load Transient Response—with or  
without Optional Output Capacitor  
DESCRIPTION  
New NMOS Topology Provides Low Reverse  
Leakage Current  
The TPS732xx family of low-dropout (LDO) voltage  
regulators uses a new topology: an NMOS pass  
element in a voltage-follower configuration. This  
topology is stable using output capacitors with low  
ESR and even allows operation without a capacitor.  
It also provides high reverse blockage (low reverse  
current) and ground pin current that is nearly  
constant over all values of output current.  
•
•
•
Low Noise: 30 µVRMS Typ (10 kHz to 100 kHz)  
0.5% Initial Accuracy  
1% Overall Accuracy (Line, Load, and  
Temperature)  
•
•
Less Than 1 µA Max IQ in Shutdown Mode  
Thermal Shutdown and Specified Min/Max  
Current Limit Protection  
The TPS732xx uses an advanced BiCMOS process  
to yield high precision while delivering low dropout  
voltages and low ground pin current. Current  
consumption, when not enabled, is under 1 µA and  
ideal for portable applications. The low output noise  
(30 µVRMS with 0.1 µF CNR) is ideal for powering  
VCOs. These devices are protected by thermal  
shutdown and foldback current limit.  
•
Available in Multiple Output Voltage Versions  
– Fixed Outputs of 1.2 V to 5 V  
– Adjustable Outputs from 1.2 V to 5.5 V  
– Custom Outputs Available  
DCQ PACKAGE  
SOT223  
(TOP VIEW)  
DBV PACKAGE  
DRB PACKAGE  
3mm x 3mm SON  
(TOP VIEW)  
SOT23  
(TOP VIEW)  
TAB IS GND  
OUT  
N/C  
1
2
3
4
8
7
6
5
IN  
(1) Component qualification in accordance with JEDEC and  
industry standards to ensure reliable operation over an  
extended temperature range. This includes, but is not limited  
to, Highly Accelerated Stress Test (HAST) or biased 85/85,  
temperature cycle, autoclave or unbiased HAST,  
5
4
IN  
GND  
EN  
1
2
3
OUT  
N/C  
N/C  
EN  
1
2
3
4
5
NR/FB  
GND  
NR/FB  
IN  
GND  
EN  
OUT  
NR/FB  
electromigration, bond intermetallic life, and mold compound  
life. Such qualification testing should not be viewed as  
justifying use of this component beyond specified  
performance and environmental limits.  
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.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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