TPS3803-01MDCKREP - Texas Instruments Voltage Supervisor

The TPS3803-01MDCKREP from Texas Instruments is a highly reliable voltage supervisor designed to monitor the system voltage in digital systems and provide a reset signal when necessary. It is part of Texas Instruments' military-grade product offerings, ensuring robust performance and high reliability in demanding environments.

This device features a fixed-sense threshold voltage, which allows it to keep a vigilant watch over the power supply levels. When the monitored voltage drops below the threshold, the TPS3803-01MDCKREP asserts a reset signal, which remains active until the voltage recovers above the threshold, plus a hysteresis margin. This reset signal ensures that the system microcontroller or processor restarts in a known state, thus preventing software execution errors due to low voltage conditions.

The TPS3803-01MDCKREP comes in a small, 5-pin SC-70 package, making it an ideal choice for space-constrained applications. Its low power consumption and wide supply voltage range make it suitable for battery-operated and portable devices. The device is also characterized for operation over the full military temperature range, which is typically from -55°C to +125°C, providing reliable performance in extreme conditions.

Key features of the TPS3803-01MDCKREP include:

• Fixed voltage threshold for precise monitoring
• Manual reset input for additional system control
• Open-drain reset output for flexibility in reset signal design
• Supply voltage range from 1.1V to 5.5V accommodating a variety of power sources
• Low supply current, conserving power in battery-powered applications

The TPS3803-01MDCKREP is an essential component for systems requiring consistent and reliable operation, such as satellite communication, military hardware, and avionics. Its precision voltage monitoring and reset capabilities ensure that critical systems remain operational and safe, even under adverse conditions.