参数资料
型号: CMPWR330SF
厂商: ON Semiconductor
文件页数: 1/10页
文件大小: 0K
描述: IC REG LDO 3.3V .4A SOIC8
产品变化通告: Product Discontinuation 30/Sept/2011
标准包装: 2,500
系列: SmartOR™
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 5.25V
稳压器数量: 1
电流 - 输出: 400mA(最小值)
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
CMPWR330
400 mA SmartOR t Regulator
with V AUX Switch
Product Description
The CMPWR330 is a dual input regulator with a fully integrated
V AUX switch capable of delivering up to 400 mA continuously at
3.3 V. The input is taken from three independent voltage sources on
a prioritized basis. Power is always taken in priority using the order of
V CC, V SBY , and V AUX .
When V CC , (5 V) or V SBY is present, the device automatically
enables the regulator and produces a stable 3.3 V output at V OUT .
When only V AUX (3.3 V) is present, the device provides a low
impedance direct connection (0.25 W 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 the V CC input supply to be dynamically switched without
loss of output voltage.
The CMPWR330 is housed in an 8 ? pin SOIC package and is
available with RoHS compliant lead ? free finishing.
Features
? Continuous 3.3 V Output from Three Inputs
? Complete Power Management Solution
? V CC , V SBY Regulator Supplies 400 mA Output
? Built ? In Hysteresis when Selecting Input Supplies
? Integrated Switch Has Very Low R DS(ON) Resistance of 0.25 W
(TYP)
? Foldback Current Limiting Protection
? Thermal Overload Shutdown Protection
? 8 ? Pin Power SOIC Package
? These Devices are Pb ? Free and are RoHS Compliant
Applications
? PCI Adapter Cards with Wake ? On ? LAN
? Network Interface Cards (NICs)
? Multiple Power Systems
? Systems with Standby Capabilities
http://onsemi.com
SIOC 8
SF SUFFIX
CASE 751BD
MARKING DIAGRAM
CMPWR330SF
CMPWR330SF = Specific Device Code
ORDERING INFORMATION
Device Package Shipping ?
CMPWR330SF Power SOIC 750/Tape & Reel
(Pb ? Free)
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2011
April, 2011 ? Rev. 4
1
Publication Order Number:
CMPWR330/D
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