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UCC38531 PDF预览

UCC38531

更新时间: 2024-11-08 12:47:15
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
4页 104K
描述
Universal Serial Bus Power Controller

UCC38531 数据手册

 浏览型号UCC38531的Datasheet PDF文件第2页浏览型号UCC38531的Datasheet PDF文件第3页浏览型号UCC38531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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