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TPS2561

更新时间： 2024-11-20 07:04:47
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德州仪器 - TI 开关电源开关
页数 文件大小 规格书
22页 873K
描述
DUAL CHANNEL PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES

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TPS2561 数据手册

 浏览型号TPS2561的Datasheet PDF文件第2页浏览型号TPS2561的Datasheet PDF文件第3页浏览型号TPS2561的Datasheet PDF文件第4页浏览型号TPS2561的Datasheet PDF文件第5页浏览型号TPS2561的Datasheet PDF文件第6页浏览型号TPS2561的Datasheet PDF文件第7页 
TPS2560  
TPS2561  
www.ti.com  
SLVS930 –DECEMBER 2009  
DUAL CHANNEL PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES  
Check for Samples: TPS2560 TPS2561  
1
FEATURES  
DESCRIPTION  
2
•
Two separate current limiting channels  
Meets USB Current-Limiting Requirements  
Adjustable Current Limit, 250 mA–2.8 A (typ)  
+/- 7.5% Current-Limit Accuracy at 2.8A  
Fast Overcurrent Response - 3.5-μS (typ)  
Two 44-mΩ High-Side MOSFETs  
Operating Range: 2.5 V to 6.5 V  
•
•
•
•
•
•
•
•
•
•
•
The TPS2560 and TPS2561 are dual-channel  
power-distribution switches intended for applications  
where precision current limiting is required or heavy  
capacitive loads and short circuits are encountered.  
These devices offer a programmable current-limit  
threshold between 250 mA and 2.8 A (typ) per  
channel via an external resistor. The power-switch  
rise and fall times are controlled to minimize current  
surges during turn on/off.  
2-μA Maximum Standby Supply Current  
Built-in Soft-Start  
Each channel of the TPS2560/61 devices limit the  
output current to a safe level by switching into a  
constant-current mode when the output load exceeds  
the current-limit threshold. The FAULTx logic output  
for each channel independently asserts low during  
overcurrent and over temperature conditions.  
15 kV / 8 kV System-Level ESD Capable  
UL Listed – File No. E169910  
CB & Nemko Certified  
APPLICATIONS  
•
•
•
•
USB Ports/Hubs  
Digital TV  
Set-Top Boxes  
VOIP Phones  
TPS2560/61  
DRC PACKAGE  
(TOP VIEW)  
TPS2560/61  
2.5V – 6.5V  
0.1 μF  
VOUT1  
IN  
IN  
OUT1  
OUT2  
10  
9
8
7
6
1
2
3
4
5
GND  
IN  
IN  
EN1  
EN2  
FAULT1  
OUT1  
OUT2  
ILIM  
2x RFAULT  
100 kΩ  
VOUT2  
PAD  
RILIM  
2x CLOAD  
ILIM  
Fault Signal  
FAULT1  
FAULT2  
EN1  
FAULT2  
Fault Signal  
Control Signal  
Control Signal  
GND  
ENx = Active Low for the TPS2560  
ENx = Active High for the TPS2561  
EN2  
Power Pad  
Figure 1. Typical Application as USB Power Switch  
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
PowerPAD is a trademark 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 © 2009, Texas Instruments Incorporated  
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TPS2561 替代型号

型号 品牌 替代类型 描述 数据表
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