Texas Instruments

TL7757ILPRE3

TL7757ILPRE3 Description

The TL7757ILPRE3 is a single-channel voltage supervisor IC designed by Texas Instruments. This device is specifically engineered to monitor a single voltage supply and ensure system reliability by providing a reset signal when the monitored voltage falls below a predefined threshold. The TL7757ILPRE3 operates with a voltage threshold of 4.55V and offers a reset timeout with a maximum propagation delay of 5µs. It features an open drain or open collector output, making it highly versatile for various applications. The device is housed in a TO-92-3 package, which is suitable for through-hole mounting, ensuring robust mechanical stability and ease of integration into printed circuit boards.

TL7757ILPRE3 Features

• Voltage Monitoring: The TL7757ILPRE3 is designed to monitor a single voltage supply, providing reliable system supervision. It features a voltage threshold of 4.55V, ensuring precise monitoring of power supply levels.
• Fast Reset Timeout: With a maximum propagation delay of 5µs, the TL7757ILPRE3 offers rapid reset functionality, which is crucial for time-sensitive applications where quick response to voltage drops is necessary.
• Output Configuration: The device supports open drain or open collector output, providing flexibility in circuit design and compatibility with a wide range of systems.
• Reset Signal: The reset signal is active low, which is a common configuration in many digital systems, ensuring compatibility with standard digital logic circuits.
• Compliance and Packaging: The TL7757ILPRE3 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations. It is available in a tape & reel (TR) package, facilitating efficient handling and assembly processes.
• Moisture Sensitivity: The device has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture, which enhances its reliability in various environmental conditions.

TL7757ILPRE3 Applications

The TL7757ILPRE3 is ideal for applications requiring reliable voltage monitoring and system reset functionality. Its fast reset timeout and precise voltage threshold make it suitable for:

• Power Management: Ensuring stable operation of power supplies in embedded systems and consumer electronics.
• Microcontroller Supervision: Providing reset signals to microcontrollers and microprocessors to prevent system failures due to voltage fluctuations.
• Telecommunications: Monitoring power supplies in communication equipment to maintain system integrity and reliability.
• Industrial Control Systems: Ensuring robust operation of industrial control systems by monitoring critical power supplies and triggering resets when necessary.

Conclusion of TL7757ILPRE3

The TL7757ILPRE3 from Texas Instruments is a robust single-channel voltage supervisor IC that offers precise voltage monitoring and rapid reset functionality. Its open drain or open collector output configuration and active low reset signal provide flexibility and compatibility with various digital systems. The device's compliance with environmental regulations and its moisture sensitivity level of 1 make it a reliable choice for a wide range of applications. While the TL7757ILPRE3 is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for power management and system supervision tasks.