LTC2955

FEATURES n Automatic Turn-On Via Voltage Monitor Input n Wide Input Supply Range: 1.5V to 36V n Low Supply Current: 1.2μA n ±25kV ESD HBM on PB Input n ±36V Wide Input Voltage for PB Input n Low Leakage EN Output Allows DC/DC Converter Control (LTC2955-1) n High Voltage EN Output Drives External P-Channel MOSFET (LTC2955-2) n Simple Interface Allows Graceful μP Shutdown n Adjustable Turn-Off Timer n 10-Lead 3mm × 2mm DFN and 8-Lead ThinSOT™ Packages APPLICATIONS n Desktop and Notebook Computers n GPS Devices n Portable Instruments n Automotive Electronics LTC2955 Pushbutton On/Off Controller with Automatic Turn-On DESCRIPTION The LTC®2955 is a micropower, pushbutton on/off controller that manages system power by generating a clean enable output from the supply monitor input and the debounced pushbutton input. It features an interrupt output that notifies the system of a pushbutton or low supply event. When the system is ready, it may use the power kill input to shut off power....