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TPS54310-EP

更新时间： 2024-09-19 06:01:11
品牌 Logo 应用领域
德州仪器 - TI 输出元件输入元件
页数 文件大小 规格书
21页 750K
描述
3-V TO 6-V INPUT, 3-A OUTPUT,SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs(SWIFT™)

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TPS54310-EP 数据手册

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Typ ical Si ze  
(6 ,3 mm x 6, 4 mm)  
TPS54310-EP  
www.ti.com ..................................................................................................................................................................................................... SLVS818–APRIL 2008  
3-V TO 6-V INPUT, 3-A OUTPUT, SYNCHRONOUS BUCK PWM  
SWITCHER WITH INTEGRATED FETs (SWIFT™)  
1
FEATURES  
2
•
Controlled Baseline  
•
Adjustable Output Voltage Down to 0.9 V With  
1% Accuracy  
–
–
–
One Assembly Site  
One Test Site  
•
•
•
Externally Compensated for Design Flexibility  
Fast Transient Response  
One Fabrication Site  
Wide PWM Frequency: Fixed 350 kHz, 550  
kHz, or Adjustable 280 kHz to 700 kHz  
•
•
Extended Temperature Performance of  
–55°C to 125°C  
•
•
Load Protected by Peak Current Limit and  
Thermal Shutdown  
Enhanced Diminishing Manufacturing Sources  
(DMS) Support  
Integrated Solution Reduces Board Area and  
Total Cost  
•
•
•
Enhanced Product-Change Notification  
(1)  
Qualification Pedigree  
60-mΩ MOSFET Switches for High Efficiency  
at 3-A Continuous Output Source or Sink  
Current  
APPLICATIONS  
•
Low-Voltage High-Density Systems With  
Power Distributed at 5 V or 3.3 V  
(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,  
•
Point of Load Regulation for  
High-Performance DSPs, FPGAs, ASICs, and  
Microprocessors  
Broadband, Networking, and Optical  
Communications Infrastructure  
•
•
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.  
Portable Computing/Notebook PCs  
DESCRIPTION/ORDERING INFORMATION  
As members of the SWIFT™ family of dc/dc regulators, the TPS54310 low input voltage high output current  
synchronous buck PWM converter integrates all required active components. Included on the substrate with the  
listed features are a true, high performance, voltage error amplifier that provides high performance under  
transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an  
internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for  
processor/logic reset, fault signaling, and supply sequencing.  
The TPS54310 device is available in a thermally enhanced 20-pin TSSOP (PWP) PowerPAD™ package, which  
eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT designer software tool to aid in  
quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.  
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
SWIFT, PowerPAD are trademarks of Texas Instruments.  
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 © 2008, Texas Instruments Incorporated  
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