The California Micro Devices SmartORTM 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 selects
Overview
CALIFORNIA MICRO DEVICES CMPWR280 1.5A SmartORTM Dual Regulator with VAUX.
Key Features
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 Diagram.