ADI LTC2950IDDB-1#TRMPBF

按钮，开/关控制器2.7V ~ 26.4V6 µA

Overview

The LTC2950IDDB-1 is a micropower, wide input voltage range, pushbutton ON/OFF controller. The part contains a pushbutton input with independently programmable ON and OFF debounce times that control the toggling of an open drain enable output. The part also contains a simple microprocessor interface to allow for proper system housekeeping prior to power down. Under system fault conditions, an internal KILL timer ensures proper power down.

Portable Instrumentation Meters

Features

Adjustable Pushbutton On/Off Timers

Low Supply Current: 6µA

Wide Operating Voltage Range: 2.7V to 26.4V

EN Output (LTC2950-1) Allows DC/DC Converter Control

EN Output (LTC2950-2) Allows Circuit Breaker Control

Simple Interface Allows Graceful µP Shut Down

High Input Voltage PB Pin with Internal Pull Up Resistor

±10kV ESD HBM on PB Input

Accurate 0.6V Threshold on KILL Comparator Input

8-Pin 3mm × 2mm DFN and ThinSOT™ Packages

Applications

Portable Instrumentation Meters

Blade Servers

Portable Customer Service PDA

Desktop and Notebook Computers