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TPS65580EVM-571 PDF预览

TPS65580EVM-571

更新时间： 2024-10-01 12:05:19
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
28页 1488K
描述
4.5V to 18V Input 1.5A, 2.5A, 1.5A Triple Synchronous Step-Down Converter

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TPS65580EVM-571 数据手册

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TPS65580  
www.ti.com  
SLVSC29 –SEPTEMBER 2013  
4.5V to 18V Input 1.5A, 2.5A, 1.5A Triple Synchronous Step-Down Converter  
Check for Samples: TPS65580  
1
FEATURES  
APPLICATIONS  
2
•
Advanced D-CAP2™ Control Mode  
•
Point-of-Load Regulation in Low Power  
Systems for Wide Range of Applications  
–
–
Fast Transient Response  
–
–
–
–
–
Digital TV Power Supply  
Networking Home Terminal  
Digital Set Top Box (STB)  
DVD Player/Recorder  
No External Parts Required For Loop  
Compensation  
–
Compatible with Ceramic Output  
Capacitors  
•
•
•
Wide Input Voltage Range : 4.5 V to 18 V  
Output Voltage Range : 0.76 V to 7.0 V  
Gaming Consoles and Other  
DESCRIPTION  
Highly Efficient Integrated FETs Optimized for  
Low Duty Cycle Applications  
The TPS65580 is a triple, advanced D-CAP2™ mode  
synchronous buck converter. The TPS65580 enables  
system designers to complete the suite of various  
end equipment’s power bus regulators with a cost  
effective, low component count, and low standby  
current solution. The main control loops of the  
TPS65580 uses the advanced D-CAP2™ mode  
control which provides a fast transient response with  
no external compensation components. The  
TPS65580 is able to adapt to both low equivalent  
series resistance (ESR) output capacitors such as  
POSCAP or SP-CAP, and ultra-low ESR, ceramic  
capacitors. The device provides convenient and  
efficient operation with input voltages from 4.5V to  
18V.  
–
160 mΩ (High Side) and 130 mΩ (Low Side)  
for 2.5A  
–
250mΩ (High Side) and 230mΩ (Low Side)  
for 1.5A  
•
•
•
•
•
•
•
•
•
•
High Initial Reference Accuracy  
Low-Side RDS(on) Loss-Less Current Sensing  
Fixed 1.2 ms Soft Start  
Non-Sinking Pre-Biased Soft Start  
700 kHz Switching Frequency  
Cycle-by-Cycle Over-Current Limiting Control  
OCL, OVP, UVP, UVLO, TSD Protections  
Hiccup Timer for Over Load Protection  
PowerGood  
The TPS65580 is available in 4.4mm × 6.5mm 20 pin  
TSSOP (PWP) package, and is specified from –40°C  
to 85°C ambient temperature range.  
Adaptive Gate Drivers with Integrated Boost  
PMOS Switch  
•
•
OCP Constant Due To Thermally Compensated  
rds(on) with 4000ppm/℃  
20-Pin HTSSOP  
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
D-CAP2, 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 © 2013, Texas Instruments Incorporated  
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