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TPS54329DDAR

更新时间： 2024-11-05 12:47:11
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
24页 757K
描述
4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER

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TPS54329DDAR 数据手册

 浏览型号TPS54329DDAR的Datasheet PDF文件第2页浏览型号TPS54329DDAR的Datasheet PDF文件第3页浏览型号TPS54329DDAR的Datasheet PDF文件第4页浏览型号TPS54329DDAR的Datasheet PDF文件第5页浏览型号TPS54329DDAR的Datasheet PDF文件第6页浏览型号TPS54329DDAR的Datasheet PDF文件第7页 
TPS54329  
www.ti.com  
SLVSAZ6A –SEPTEMBER 2011–REVISED MARCH 2012  
4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER  
Check for Samples: TPS54329  
1
FEATURES  
DESCRIPTION  
The TPS54329 is an adaptive on-time D-CAP2™  
mode synchronous buck converter. TheTPS54329  
enables system designers to complete the suite of  
various end equipment’s power bus regulators with a  
cost effective, low component count, low standby  
current solution. The main control loop for the  
TPS54329 uses the D-CAP2™ mode control which  
provides a fast transient response with no external  
compensation components. The TPS54329 also has  
a proprietary circuit that enables the device to adopt  
to both low equivalent series resistance (ESR) output  
capacitors, such as POSCAP or SP-CAP, and ultra-  
low ESR ceramic capacitors. The device operates  
from 4.5-V to 18-V VIN input. The output voltage can  
be programmed between 0.76 V and 7 V. The device  
also features an adjustable soft start time. The  
TPS54329 is available in the 8-pin DDA package,  
and designed to operate from –40°C to 85°C.  
23  
•
D-CAP2™ Mode Enables Fast Transient  
Response  
•
Low Output Ripple and Allows Ceramic Output  
Capacitor  
•
•
•
Wide VIN Input Voltage Range: 4.5 V to 18 V  
Output Voltage Range: 0.76 V to 7.0 V  
Highly Efficient Integrated FETs Optimized  
for Lower Duty Cycle Applications  
– 100 mΩ (High Side) and 74 mΩ (Low Side)  
•
•
•
•
•
•
High Efficiency, Less Than 10 μA at Shutdown  
High Initial Bandgap Reference Accuracy  
Adjustable Soft Start  
Pre-Biased Soft Start  
650-kHz Switching Frequency (fSW  
)
Cycle By Cycle Over Current Limit  
APPLICATIONS  
•
Wide Range of Applications for Low Voltage  
System  
–
–
–
–
Digital TV Power Supply  
High Definition Blu-ray Disc™ Players  
Networking Home Terminal  
Digital Set Top Box (STB)  
VOUT (50 mV/div)  
TPS54329DDA  
IOUT (1 A/div)  
100 μs/div  
G006  
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
3
D-CAP2 is a trademark of Texas Instruments.  
Blu-ray Disc is a trademark of Blu-ray Disc Association.  
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 © 2011–2012, Texas Instruments Incorporated  
 
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TPS54329DDAR 替代型号

型号 品牌 替代类型 描述 数据表
TPS54329EDDA TI

完全替代

 4.5V to 18V Input, 3-A Synchronous Step-Down
TPS54329DDA TI

类似代替

 4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER
TPS54329EDDAR TI

类似代替

 4.5V to 18V Input, 3-A Synchronous Step-Down

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TPS54331_1 TI

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 		3A, 28V INPUT, STEP DOWN SWIFTM DC/DC CONVERTER WITH ECO-MODTM
TPS54331D TI

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