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LTC2956 - Wake-Up Timer

General Description

The LTC®2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control.

It periodically wakes up and turns on a connected system to perform tasks like monitoring temperature or capturing images.

Key Features

  • n 1.5V to 36V Supply Input Range n Adjustable Wake-Up Period: 250ms to 39 Days n Adjustable Maximum Awake Time n 0.8µA Quiescent Current n 0.3µA Shutdown Current n Pushbutton Input with Debouncing n Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1) n High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2) n ±25kV ESD HBM on PB Input n 12-Lead 3mm × 3mm QFN and MSOP Packages.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Features n 1.5V to 36V Supply Input Range n Adjustable Wake-Up Period: 250ms to 39 Days n Adjustable Maximum Awake Time n 0.8µA Quiescent Current n 0.3µA Shutdown Current n Pushbutton Input with Debouncing n Low Leakage EN Output Allows DC/DC Converter Control (LTC2956-1) n High Voltage EN Output Drives External P-Channel MOSFET (LTC2956-2) n ±25kV ESD HBM on PB Input n 12-Lead 3mm × 3mm QFN and MSOP Packages Applications n Heartbeat Timers n Periodic Wake-Up Control n Portable and Battery-Powered Equipment n Intervalometers n Data Acquisition LTC2956 Wake-Up Timer with Pushbutton Control Description The LTC®2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control.