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AS1909C23-T

AS1909C23-T Description

The AS1909C23-T is a single-channel voltage supervisor IC designed by ams OSRAM, offering reliable monitoring and control for a variety of electronic systems. This supervisor IC is housed in a compact SOT23-3 package, making it suitable for applications where space is a critical consideration. Despite its small form factor, the AS1909C23-T provides robust performance, ensuring that monitored voltages remain within specified thresholds.

AS1909C23-T Features

• Single Voltage Monitoring: The AS1909C23-T is designed to monitor a single voltage rail, providing precise control and monitoring for critical power supplies.
• 2.3V Threshold Voltage: With a voltage threshold set at 2.3V, this supervisor IC ensures reliable operation and accurate monitoring of power levels.
• Open Drain or Open Collector Output: The AS1909C23-T features an open drain or open collector output, offering flexibility in system design and compatibility with various load configurations.
• Active Low Reset: The reset function is active low, providing a clear and reliable reset signal when the monitored voltage falls below the threshold.
• 100ms Minimum Reset Timeout: The reset timeout is set at a minimum of 100ms, ensuring sufficient time for system recovery and stability.
• Surface Mount Packaging: The surface mount mounting type allows for easy integration into modern PCB designs, enhancing reliability and reducing the risk of mechanical stress.
• Tape & Reel Packaging: Available in tape & reel (TR) packaging, the AS1909C23-T is suitable for automated assembly processes, improving production efficiency.
• Moisture Sensitivity Level 1: With an MSL rating of 1 (unlimited), the AS1909C23-T is highly resistant to moisture, making it suitable for a wide range of environmental conditions.
• Obsolete Status: While the AS1909C23-T is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

AS1909C23-T Applications

The AS1909C23-T is ideal for applications requiring precise voltage monitoring and control. Its compact size and reliable performance make it suitable for:

• Embedded Systems: In embedded systems where space is limited, the AS1909C23-T provides essential voltage supervision without compromising on functionality.
• Power Supply Monitoring: For power supplies in various electronic devices, the AS1909C23-T ensures that the voltage remains within safe operating limits, preventing damage to sensitive components.
• Consumer Electronics: In consumer electronics, the AS1909C23-T can be used to monitor battery levels or power rails, ensuring reliable operation and extending the lifespan of the device.
• Industrial Control Systems: In industrial environments, the AS1909C23-T can monitor critical power supplies, providing early detection of voltage drops and preventing system failures.

Conclusion of AS1909C23-T

The AS1909C23-T is a versatile and reliable voltage supervisor IC, offering precise monitoring and control of single voltage rails. Its compact SOT23-3 package, combined with features such as a 2.3V threshold, open drain output, and 100ms reset timeout, make it an ideal choice for a variety of applications. Despite its obsolete status, the AS1909C23-T remains a valuable component for legacy systems and applications where its specific features are essential. Its moisture resistance and surface mount packaging further enhance its suitability for modern electronic designs.