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UCC38531_08 PDF预览

UCC38531_08

更新时间: 2024-11-09 02:58:23
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
4页 104K
描述
Universal Serial Bus Power Controller

UCC38531_08 数据手册

 浏览型号UCC38531_08的Datasheet PDF文件第2页浏览型号UCC38531_08的Datasheet PDF文件第3页浏览型号UCC38531_08的Datasheet PDF文件第4页 
UCC38531  
PRELIMINARY  
Universal Serial Bus Power Controller  
DESCRIPTION  
FEATURES  
Fully USB Compliant  
The UCC38531 Power Controller is designed to provide a self powered  
USB hub with a local 3.3V regulated voltage and four 5V regulated volt-  
ages for USB ports. Each of the 5V output ports is individually enabled  
for optimal port control. Each port also provides an overcurrent fault sig-  
nal indicating that the port has exceeded a 500mA current limit. The  
3.3V linear regulator is used to power the local USB microcontroller.  
This regulator is protected with a 100mA current limit.  
Support Four 5V Peripherals and  
One USB 3.3V Controller  
Separate Power Enables  
500mA Current Limiting per  
Channel  
The UCC38531 is configured by connecting the VREG to a regulated  
5.5V 2A source.  
Separate Open Drain Fault  
Indicator for Each Channel  
The 20-pin DIP package is protected by internal over-temperature shut-  
down mechanism, which disables the outputs should the internal junc-  
tion temperature exceed 150°C.  
3.3V Output for USB Controller  
Available in 20 Pin DIP  
APPLICATION AND BLOCK DIAGRAM  
UDG-97165-1  
11/97  

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