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CMPWR101SR PDF预览

CMPWR101SR

更新时间： 2024-02-27 01:56:48
品牌 Logo 应用领域
CALMIRCO 稳压器开关
页数 文件大小 规格书
6页 99K
描述
250mA SMARTOR Regulator with V switch

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中文翻译

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CMPWR101SR 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
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：5.78
Is Samacsys：N最大输入电压：5.5 V
最小输入电压：4.5 VJESD-30 代码：R-PDSO-G8
长度：4.9 mm功能数量：1
端子数量：8工作温度TJ-Max：125 °C
工作温度TJ-Min：最大输出电流 1：0.25 A
最大输出电压 1：3.465 V最小输出电压 1：3.135 V
标称输出电压 1：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：1.75 mm表面贴装：YES
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

CMPWR101SR 数据手册

 浏览型号CMPWR101SR的Datasheet PDF文件第2页浏览型号CMPWR101SR的Datasheet PDF文件第3页浏览型号CMPWR101SR的Datasheet PDF文件第4页浏览型号CMPWR101SR的Datasheet PDF文件第5页浏览型号CMPWR101SR的Datasheet PDF文件第6页 
CALIFORNIA MICRO DEVICES  
CMPWR101  
250mA SmartORTM Regulator with VAUX Switch  
Features  
Applications  
• Automatic detection of VCC input supply  
• Glitch-free output during supply transitions  
• Built-in hysteresis during supply selection  
• 250mA output maximum load current  
• Fully integrated VAUX switch  
• PCI adapter cards  
• Network Interface Cards (NIC’s)  
• Dual power systems  
• Systems with standby capabilities  
• Overload current protection  
• Short circuit current protection  
• Operates from either VCC or VAUX  
• 8-pin SOIC package  
Product Description  
The California Micro Devices’ SmartORTM CMPWR101 is  
a low dropout regulator that delivers up to 250mA of load  
current at a fixed 3.3V output. An internal threshold level  
(typically 4.1V) is used to prevent the regulator from  
being operated below dropout voltage. The device  
continuously monitors the input supply and will automati-  
cally disable the regulator when VCC falls below the  
threshold level. When the regulator is disabled, a low  
impedance, fully integrated switch is enabled which  
allows the output to be directly powered from an auxil-  
iary 3.3V supply.  
When VCC is restored to a level above the select thresh-  
old, the low impedance switch is disabled and the  
regulator is once again enabled.  
All the necessary control circuitry needed to provide a  
smooth and automatic transition between the supplies  
has been incorporated. This allows VCC to be dynamically  
switched without loss of output voltage.  
An output logic signal, DRIVE, is active LOW whenever  
the internal regulator is disabled.  
PIN DIAGRAM AND APPLICATION CIRCUIT  
Top View  
CMPWR101  
VOUT  
3.3V  
VCC  
DRIVE  
VCC  
VAUX  
VAUX  
GND  
1
8
7
6
5
DRIVE  
VOUT  
VOUT  
NC  
250mA  
+
CIN  
VAUX  
VOUT  
2
3
4
GND  
VCC  
5V  
1µF  
+
COUT  
4µF  
+
–
+
–
VAUX  
3.3V  
CMPWR101  
8-Pin SOIC  
GND  
Pin Diagram  
Typical Application Circuit  
Ordering Part Number  
Package  
Pins  
Style  
Tubes  
Tape & Reel  
Part Marking  
8
SOIC  
CMPWR101S/T  
CMPWR101S/R  
CMPWR101S  
© 2001 California Micro Devices Corp. All rights reserved. SmartOR™ is a trademark of California Micro Devices Corporation.  
C1660101  
215 Topaz Street, Milpitas, California 95035  
Tel: (408) 263-3214  
Fax: (408) 263-7846  
www.calmicro.com  
3/6/2001  
1
123456

中文翻译

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