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APX809S-40SR-7

APX809S-40SR-7 Description

The APX809S-40SR-7 is a high-performance, single-channel voltage supervisor IC designed by Diodes Incorporated. This device is specifically engineered to monitor a single voltage source and provide reliable reset functionality when the monitored voltage falls below a predefined threshold. The APX809S-40SR-7 is housed in a compact SOT23 package, making it ideal for space-constrained applications. It features a voltage threshold of 4V, ensuring precise monitoring and control. The reset timeout is a minimum of 140ms, providing sufficient time for system initialization and stable operation. This supervisor IC is RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99, making it suitable for a wide range of industrial and commercial applications. With a moisture sensitivity level (MSL) of 1 (unlimited), the APX809S-40SR-7 is highly reliable and suitable for various environmental conditions.

APX809S-40SR-7 Features

• Single Voltage Monitoring: The APX809S-40SR-7 is designed to monitor a single voltage source, providing focused and efficient supervision. This feature is particularly useful in applications where a single critical voltage needs to be monitored to ensure system stability.
• 4V Threshold Voltage: The device has a fixed threshold voltage of 4V, which is ideal for systems operating at this voltage level. This precise threshold ensures accurate monitoring and reliable reset functionality.
• 140ms Minimum Reset Timeout: The reset timeout of at least 140ms allows for adequate time for system initialization and ensures that the system has sufficient time to stabilize before the reset signal is released.
• Active Low Reset: The reset output is active low, which is a common configuration in many digital systems. This feature ensures compatibility with a wide range of microcontrollers and other digital circuits.
• Surface Mount Technology: The APX809S-40SR-7 is available in a surface mount package, making it suitable for automated assembly processes and high-density PCB designs.
• RoHS3 Compliance and REACH Unaffected: The device meets stringent environmental standards, making it suitable for use in environmentally conscious applications and regions with strict regulatory requirements.
• Moisture Sensitivity Level 1: With an MSL of 1, the APX809S-40SR-7 is highly resistant to moisture, ensuring reliable performance in various environmental conditions without the need for special handling or storage.

APX809S-40SR-7 Applications

The APX809S-40SR-7 is well-suited for a variety of applications where reliable voltage monitoring and reset functionality are critical. Some specific use cases include:

• Microcontroller-Based Systems: In systems where a microcontroller operates at a 4V supply voltage, the APX809S-40SR-7 can provide reliable reset functionality to ensure the microcontroller starts in a known state after power-up or brownout conditions.
• Embedded Systems: The compact size and surface mount package make it ideal for embedded systems where space is limited, such as IoT devices, wearable technology, and other compact electronic devices.
• Power Management: In power management applications, the APX809S-40SR-7 can be used to monitor the main power supply voltage and provide a reset signal to downstream circuits if the voltage drops below the threshold.
• Industrial Control Systems: The device’s robustness and environmental compliance make it suitable for industrial control systems where reliability and compliance with environmental standards are paramount.

Conclusion of APX809S-40SR-7

The APX809S-40SR-7 from Diodes Incorporated is a versatile and reliable single-channel voltage supervisor IC. Its precise 4V threshold, 140ms minimum reset timeout, and active low reset output make it an excellent choice for a wide range of applications. The compact SOT23 package, RoHS3 compliance, and moisture sensitivity level 1 further enhance its suitability for modern electronic designs. Whether used in microcontroller-based systems, embedded devices, power management circuits, or industrial control systems, the APX809S-40SR-7 provides reliable voltage monitoring and reset functionality, ensuring system stability and reliability.