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.