STMicroelectronics

STM1811LWX7F

STM1811LWX7F Description

The STM1811LWX7F is a high-performance, single-channel voltage supervisor IC designed by STMicroelectronics. This device is specifically engineered to monitor a single voltage source and provide reliable reset functionality to ensure system stability and integrity. The STM1811LWX7F operates with a voltage threshold of 4.62V, ensuring precise monitoring of power supply levels. It features a minimum reset timeout of 100ms, which is crucial for applications requiring a stable and controlled reset mechanism.

The STM1811LWX7F is packaged in a compact SOT23-3 surface-mount package, making it ideal for space-constrained designs. The device is available in tape and reel (TR) packaging, facilitating efficient manufacturing processes. It is RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. The moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a wide range of manufacturing environments.

STM1811LWX7F Features

• Single Voltage Monitoring: The STM1811LWX7F is designed to monitor a single voltage source, providing a focused and efficient solution for voltage supervision.
• 4.62V Threshold Voltage: This precise threshold voltage ensures accurate monitoring and reliable reset functionality.
• 100ms Minimum Reset Timeout: The device guarantees a minimum reset timeout of 100ms, ensuring sufficient time for system stabilization.
• Open Drain or Open Collector Output: The STM1811LWX7F offers flexible output options, allowing designers to choose the configuration that best suits their application.
• Active Low Reset: The reset function is active low, providing compatibility with a wide range of digital systems.
• Surface Mount Technology (SOT23-3): The compact SOT23-3 package is ideal for space-constrained designs, enabling integration into small form factor applications.
• Environmental Compliance: The STM1811LWX7F is RoHS3 compliant and REACH unaffected, ensuring it meets the latest environmental and regulatory standards.
• Moisture Sensitivity Level 1: The MSL rating of 1 (unlimited) ensures the device can be used in a variety of manufacturing environments without the risk of moisture-related issues.

STM1811LWX7F Applications

The STM1811LWX7F is well-suited for a variety of applications where reliable voltage monitoring and reset functionality are critical. Key applications include:

• Consumer Electronics: Ideal for devices such as smartphones, tablets, and digital cameras, where power supply monitoring and system reset are essential for maintaining device stability and performance.
• Industrial Equipment: Suitable for industrial control systems, where reliable power monitoring ensures the proper operation of critical machinery and processes.
• Automotive Electronics: The STM1811LWX7F can be used in automotive applications to monitor power supply levels and ensure the reliable operation of electronic control units (ECUs).
• Communication Devices: Useful in networking equipment and communication devices, where stable power supply monitoring is crucial for maintaining system uptime and reliability.

Conclusion of STM1811LWX7F

The STM1811LWX7F is a robust and reliable voltage supervisor IC that offers precise voltage monitoring and reset functionality. Its compact SOT23-3 package, combined with its RoHS3 compliance and MSL 1 rating, makes it an ideal choice for a wide range of applications. The 4.62V threshold voltage and 100ms minimum reset timeout ensure accurate and reliable performance, while the open drain or open collector output provides flexibility in system design. Whether used in consumer electronics, industrial equipment, automotive applications, or communication devices, the STM1811LWX7F delivers the stability and reliability needed for modern electronic systems.