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CALIFORNIA MICRO DEVICES
CMPWR300
500mA SmartORTM DUAL REGULATOR WITH VAUX SWITCH
Features 8-pin Power SOIC package 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) 0.12Ω (typ.) Large Bypass Capacitors on inputs not required
Pin Diagram
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 VAUX switch capable of delivering 3.3V/500mA continuously. The output power is provided from three independent input voltage sources on a prioritized basis.