Product Description
The CMPWR330 is a dual input regulator with a fully integrated VAUX 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 VCC, VSBY, and VAUX.

FEATUREs
• Continuous 3.3 V Output from Three Inputs
• Complete Power Management Solution
• VCC, VSBY Regulator Supplies 400 mA Output
• Built−In Hysteresis when Selecting Input Supplies
• Integrated Switch Has Very Low RDS(ON) Resistance of 0.25 Ω (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