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CMPWR300SA PDF预览

CMPWR300SA

更新时间: 2024-09-28 22:29:55
品牌 Logo 应用领域
CALMIRCO 稳压器开关
页数 文件大小 规格书
11页 365K
描述
500mA SMARTOR Dual Regulator with V switch

CMPWR300SA 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:5.82
最大输入电压:5.5 V最小输入电压:4.5 V
JESD-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 1:0.5 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
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT STANDARD 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宽度:3.9 mm
Base Number Matches:1

CMPWR300SA 数据手册

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CALIFORNIA MICRO DEVICES  
CMPWR300  
500mA SmartORTM DUAL REGULATOR WITH VAUX SWITCH  
Features  
• 8-pin Power SOIC package  
Pin Diagram  
• Continuous 3.3V output from three inputs  
• Complete Power Management solution  
• VCC, VSBY Regulator supplies 500mA output  
• Built-in hysteresis when selecting input supplies  
• Integrated switch has very low RDS(ON) 0.12(typ.)  
• Large Bypass Capacitors on inputs not required  
Applications  
• PCI adapter cards with Wake-On-LAN  
• Network Interface Cards (NICs)  
• Multiple Power Systems  
• Systems with Standby Capabilities  
Product Description  
Typical Application Circuit  
The CMPWR300 is a dual input regulator with VAUX switch ca-  
pableofdelivering3.3V/500mAcontinuously. Theoutputpower  
is provided from three independent input voltage sources on a  
prioritized basis. Power is always taken in priority using the fol-  
lowing order VCC, VSBY, and VAUX  
.
When VCC (5V) or VSBY is present, the device automatically en-  
ables the regulator and produces a stable 3.3V output at VOUT  
When only VAUX (3.3V) is present, the device provides a low  
impedance direct connection (0.12typ.) from VAUX to VOUT  
.
.
All the necessary control circuitry needed to provide a smooth  
and automatic transition between all three supplies has been  
incorporated. This allows both VCC and VSBY to be dynamically  
switched without loss of output voltage.  
Simplified Electrical Schematic  
S TA N D A R D P A R T O R D E R IN G IN F O R M A TIO N  
Package  
Ordering Part Num ber  
Part Marking  
Pins  
Style  
8
SOIC Power  
CMPWR300SA  
When placing an order please specify desired shipping: Tubes or Tape & Reel.  
© 2000 Calirornia Micro Devices Corp. All rights reserved.  
CMPWR300™ is a trademark of California Micro Devices Corp.  
C0621199  
12/5/2000  
215 Topaz Street, Milpitas, California 95035  
Tel: (408) 263-3214  
Fax: (408) 263-7846  
www.calmicro.com  
1

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