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參數(shù)資料
| 型號： | CMPWR300SA |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | 500mA SMARTOR Dual Regulator with V switch |
| 中文描述： | 500mA的SMARTOR雙調(diào)節(jié)開關(guān)的V |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 365K |
| 代理商： | CMPWR300SA |
2000 Calirornia Micro Devices Corp. All rights reserved.
215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
12/5/2000
CALIFORNIA MICRO DEVICES
CMPWR300
1
500mA SmartOR
TM
DUAL REGULATOR WITH V
AUX
SWITCH
Features
8-pin Power SOIC package
Continuous 3.3V output from three inputs
Complete Power Management solution
V
, V
Regulator supplies 500mA output
Built-in hysteresis when selecting input supplies
Integrated switch has very low R
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
The CMPWR300 is a dual input regulator with V
AUX
switch ca-
pable of delivering 3.3V/500mA continuously. The output power
is provided from three independent input voltage sources on a
prioritized basis. Power is always taken in priority using the fol-
lowing order V
CC
, V
SBY
, and V
AUX
.
When V
CC
(5V) or V
SBY
is present, the device automatically en-
ables the regulator and produces a stable 3.3V output at V
.
When only V
AUX
(3.3V) is present, the device provides a low
impedance direct connection (0.12
typ.) from V
AUX
to V
OUT
.
All the necessary control circuitry needed to provide a smooth
and automatic transition between all three supplies has been
incorporated. This allows both V
and V
SBY
to be dynamically
switched without loss of output voltage.
C0621199
CMPWR300 is a trademark of California Micro Devices Corp.
Pin Diagram
Typical Application Circuit
Simplified Electrical Schematic
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S
R
A
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When placing an order please specify desired shipping: Tubes or Tape & Reel.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| CMPWR330 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR Dual Regulator with V switch |
| CMPWR330SA | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR Dual Regulator with V switch |
| CMPWR330SA/R | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Analog IC |
| CMPWR330SA/T | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Analog IC |
| CMPWR330SAR | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:400mA SMARTOR Dual Regulator with V switch |
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