California Micro Devices Corp CMPWR280
CMPWR280 is a fully protected Dual-Input low dropout CMOS regulator that also provides the necessary control signal for driving an external auxiliary Pchannel MOSFET switch. The SmartORTM device automatically selectsFEATURES
Automatic selection of VCC or VSBY Drive control signal for external VAUX switch Continuous 3.3V output supply Glitch-free output during supply transitions Built-in hysteresis for supply selection VCC regulates up to 1.5A output current VSBY regulates up to 375mA output current Foldback current limiting Thermal shutdown with hysteresis On-chip controller operates from VCC, VSBY or VOUT Pin DiagramAPPLICATIONS
Peripheral Component Interface (PCI) Adapter Cards Network Interface Cards (NICs) Multiple Powered Systems Systems with Standby Capabilities Typical Application Circuit ProductDESCRIPTION
The California Micro Devices SmartORTM The SmartORTM device automatically selects