CMPWR330

CALIFORNIA MICRO DEVICES CMPWR330 400mA SmartORTM Dual Regulator with VAUX Switch Features Applications Continuous 3.3V output from three inputs Complete power management solution VCC, VSBY regulator supplies 400mA output Built-in hysteresis when selecting input supplies Integrated switch has very low RDS(ON) 0.25Ω (TYP) Foldback current limiting protection Thermal overload shutdown protection 8-pin power SOIC package PCI adapter cards with Wake-On-LAN Network Interface Cards (NICs) Multiple power systems Systems with standby capabilities Product Description The CMPWR330 is a dual input regulator with a fully integrated VAUX switch capable of delivering up to 400mA continuously at 3.3V. The output power is provided from three independent input voltage sources on a prioritized basis. Power is always taken in priority using the following order V , V , and V . CC SBY AUX When VCC (5V) or VSBY is present, the device automatic...