LTC2952

FEATURES n Pushbutton On/Off Control n Automatic Low Loss Switchover Between DC Sources n Wide Operating Voltage Range: 2.7V to 28V n Low 25μA Shutdown Current n Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature n Adjustable Pushbutton On/Off Timers n Simple Interface Allows Graceful μP Shutdown n Extendable Housekeeping Wait Time Prior to Shutdown n 200ms Reset Delay and 1.6s Watchdog Timeout n ±8kV HBM ESD on PB Input n 20-pin TSSOP and QFN (4mm × 4mm) Packages APPLICATIONS n Desktop and Notebook Computers n Portable Instrumentations n Cell Phones, PDA and Handheld Computers n Servers and Computer Peripherals n Battery Backup Systems LTC2952 Pushbutton PowerPath Controller with Supervisor DESCRIPTION The LTC®2952 is a power management device that features three main functions: pushbutton on/off control of system power, ideal diode PowerPath™ controllers and system monitoring. The LTC2952’s pushbutton input, which provides on/off control of system p...