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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > TPS3431SDRBR
Texas Instruments

TPS3431SDRBR

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TPS3431SDRBR Overview

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Description

The TPS3431 is astandard programmable watchdog timer with an enablefeature for a wide variety of applications. The watchdog timeout features a 15% accuracy,high-precision timing (–40°C to +125°C) and 2.5% typical at 25oC. The watchdog timeout can beprogrammed either by an external capacitor, or by factory-programmed default delay settings. Thewatchdog can be disabled via the Enable pin or the SET logic pins to avoid undesired watchdogtimeouts during the development process.

The TPS3431 isavailable in a small 3.00-mm × 3.00-mm, 8-pin VSON package.

Features

  • Factory-Programmed Precision WatchdogTimers:
    • ±15% Accurate Watchdog Timeout (WDT) Over Temperature
    • ±2.5%Accurate Watchdog Timeout (WDT) Typical at 25°C
  • Watchdog Disable Feature
  • User-Programmable Watchdog Timeout
  • Input Voltage Range: VDD = 1.8 V to 6.5 V
  • Low Quiescent Current: IDD = 10 μA(typ)
  • Active-Low Open-Drain Output
  • Enable Input (EN) and EnableOutput (ENOUT)
  • Available in a Small 3-mm × 3-mm, 8-Pin VSON Package
  • Junction Operating Temperature Range:–40°C to +125°C

 

 

 

 

 

 

 

Specifications

Circuit Diagram

TPS3431SDRBR

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