DC826B-B - 

Evaluation Board, Push Button On/Off Controller, LTC2951-2

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Product Overview

DC826B-B is a demonstration board for the LTC2951-2 push button on/off controller. The LTC2951 is a micropower, wide input voltage range pushbutton ON/OFF controller. The part contains a pushbutton input which controls the toggling of an open drain enable output. The pushbutton turn OFF debounce time is externally programmable, while the turn ON debounce time is fixed at 128ms. A simple microprocessor interface allows for proper system housekeeping prior to powerdown. Under system fault conditions, an adjustable KILL timeout delay ensures proper power down. DC826B-B accepts an input voltage range of 2.7V to 26.4V or a 9V battery for portable demonstration and evaluation.
  • Adjustable pushbutton debounce and delay timers
  • Low supply current
  • EN output allows circuit breaker control
  • Simple interface allows graceful uP shutdown
  • High input voltage PB pin with internal pull up resistor
  • ±10KV ESD HBM on PB input
  • Accurate 0.6V threshold on KILL comparator input


Power Management, Portable Devices

Product Information

Linear Technology
Power Management
Pushbutton On/Off Controller
Evaluation Board LTC2951-2
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