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CMPWR160 PDF预览

CMPWR160

更新时间： 2024-02-12 02:28:17
品牌 Logo 应用领域
CALMIRCO /
页数 文件大小 规格书
10页 125K
描述
USB peripheral Power Management

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中文翻译

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CMPWR160 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
其他特性：POWER-ON-RESET可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G8
长度：4.9 mm信道数量：1
功能数量：1端子数量：8
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：1.75 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.2 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mmBase Number Matches：1

CMPWR160 数据手册

 浏览型号CMPWR160的Datasheet PDF文件第2页浏览型号CMPWR160的Datasheet PDF文件第3页浏览型号CMPWR160的Datasheet PDF文件第4页浏览型号CMPWR160的Datasheet PDF文件第5页浏览型号CMPWR160的Datasheet PDF文件第6页浏览型号CMPWR160的Datasheet PDF文件第7页 
CALIFORNIA MICRO DEVICES  
CMPWR160  
USB Peripheral Power Management  
Features  
Applications  
• 3.3V regulated output up to 500mA  
• Quiescent current 35µA (typical)  
• Shutdown mode current 7µA (typical)  
• 30ms active LOW Power-On Reset (POR) pulse  
• Thermal overload protection  
• Bus-powered USB peripherals  
• Self-powered USB peripherals  
• Portable/battery-powered devices  
• Critical power monitoring, hot-insertion devices  
• Foldback current limiting protection  
• Reverse-current protection  
• 8 pin SOIC power package  
The SmartORTM CMPWR160 combines a Low Dropout  
Regulator (LDO) with a Power-On Reset (POR) pulse  
generator, and is intended for Universal Serial Bus  
(USB) peripherals. To meet the specification require-  
ments of both USB 1.0 and USB 2.0, the CMPWR160  
draws a very low quiescent current (35µA), and delivers  
up to 500mA of load current at a fixed 3.3V output.  
When VCC is powered down, the device will automatically  
enter reverse-current protection mode and maintain  
isolation between VOUT and VCC. This is useful for applica-  
tions that can use power from the USB port in addition to  
internal batteries or an AC adapter supply (Wired-ORed  
power systems). In the event of VCC collapsing below  
VOUT, the device will automatically enter shutdown mode  
and fully isolate the VCC power source from the output.  
The POR pulse (active LOW) has a typical duration of  
30ms after the output has exceeded and stabilized  
above 2.9V. Thus a new POR pulse is developed each  
time the regulator power is interrupted and restored,  
which occurs often on USB buses when cables are  
connected (or disconnected) by the user. It is not  
necessary to have a VCC supply for POR to operate,  
allowing the CMPWR160 to work in Wired-ORed power  
systems.  
A ShutDown input (SD) forces the regulator to be  
powered down on demand. While in shutdown mode the  
POR circuitry will remain active, making the device  
suitable for systems which contain backup or alternative  
power sources.  
The CMPWR160 is available in an 8-pin SOIC thermally  
enhanced package, ideal for applications where space  
is tight.  
Block Diagram  
VCC  
Top View  
SD  
V
1
2
3
4
8
7
6
5
GND  
GND  
GND  
GND  
CC  
SD  
+
SD  
VREF  
3.3V  
–
POR  
VOUT  
3.3V/500mA  
V
OUT  
+
GND  
CMPWR160  
8 LEAD SOIC  
POR  
30ms  
–
Pin Diagram  
2.9V  
Simplified Electrical Schematic  
Package  
Ordering Part Number  
Pin  
Style  
Power SOIC  
Tubes  
Tape & Reel  
Part Marking  
8
CMPWR160SA/T  
CMPWR160SA/R  
CMPWR160SA  
©2000 California Micro Devices Corp. All rights reserved. SmartOR™ is a trademark of California Micro Devices Corporation.  
C1571000  
215 Topaz Street, Milpitas, California 95035  
Tel: (408) 263-3214  
Fax: (408) 263-7846  
www.calmicro.com  
12/5/2000  
1
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