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TPS2557DRBT PDF预览

TPS2557DRBT

更新时间: 2024-11-20 11:58:27
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
23页 1000K
描述
PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2557DRBT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SON
包装说明:HVSON,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:0.78可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PDSO-N8
JESD-609代码:e4长度:3 mm
湿度敏感等级:2信道数量:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.88 mm最大供电电流 (Isup):0.12 mA
最大供电电压 (Vsup):6.5 V最小供电电压 (Vsup):2.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:NO LEAD端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

TPS2557DRBT 数据手册

 浏览型号TPS2557DRBT的Datasheet PDF文件第2页浏览型号TPS2557DRBT的Datasheet PDF文件第3页浏览型号TPS2557DRBT的Datasheet PDF文件第4页浏览型号TPS2557DRBT的Datasheet PDF文件第5页浏览型号TPS2557DRBT的Datasheet PDF文件第6页浏览型号TPS2557DRBT的Datasheet PDF文件第7页 
TPS2556  
TPS2557  
www.ti.com  
SLVS931A NOVEMBER 2009REVISED FEBRUARY 2012  
PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES  
Check for Samples: TPS2556, TPS2557  
1
FEATURES  
APPLICATIONS  
2
Meets USB Current-Limiting Requirements  
Adjustable Current Limit, 500 mA5 A (typ)  
+/- 6.5% Current-Limit Accuracy at 4.5 A  
Fast Overcurrent Response - 3.5-μS (typ)  
22-mHigh-Side MOSFET  
USB Ports/Hubs  
Digital TV  
Set-Top Boxes  
VOIP Phones  
DESCRIPTION  
Operating Range: 2.5 V to 6.5 V  
2-μA Maximum Standby Supply Current  
Built-in Soft-Start  
The TPS2556/57 power-distribution switches are  
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 500  
mA and 5.0 A (typ) via an external resistor. The  
power-switch rise and fall times are controlled to  
minimize current surges during turn on/off.  
15 kV / 8 kV System-Level ESD Capable  
UL Listed* File No. E169910  
CB & Nemko Certification*  
*RILIM 24.9 k(5A maximum)  
TPS2556/57 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 FAULT logic output asserts low during  
overcurrent and over temperature conditions.  
TPS2556/57  
DRB PACKAGE  
(TOP VIEW)  
TPS2556/57  
0.1 uF  
2.5V 6.5V  
VOUT  
IN  
IN  
OUT  
OUT  
RFAULT  
100 kΩ  
1
2
3
4
GND  
IN  
IN  
8
7
6
5
FAULT  
OUT  
OUT  
PAD  
RILIM  
CLOAD  
ILIM  
Fault Signal  
Control Signal  
FAULT  
EN  
EN  
ILIM  
GND  
EN = Active Low for the TPS2556  
EN = Active High for the TPS2557  
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 © 20092012, Texas Instruments Incorporated  

TPS2557DRBT 替代型号

型号 品牌 替代类型 描述 数据表
TPS2557DRB TI

完全替代

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, PLASTIC, SON-8
TPS2557DRBR TI

类似代替

PRECISION ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

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DUAL CHANNEL PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES