Allegro MicroSystems

A4492EESTR-T

A4492EESTR-T Description

The A4492EESTR-T is a high-performance DC Switching Voltage Regulator designed by Allegro MicroSystems. This regulator features an adjustable output type, making it highly versatile for a variety of applications. It operates within a wide input voltage range, from a minimum of 4.5V to a maximum of 34V, ensuring compatibility with diverse power sources. The regulator is designed with a positive output configuration and can deliver an adjustable output voltage ranging from 0.8V to 30.6V, providing flexibility in power management solutions.

The A4492EESTR-T employs a buck topology with a switching frequency of 550kHz, which allows for efficient power conversion and reduced component size. It is housed in a surface-mount package, specifically the 20QFN format, making it suitable for compact designs and high-density PCB layouts. The regulator does not feature synchronous rectification, which can be advantageous in certain applications where simplicity and cost-effectiveness are prioritized.

This product is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It has a moisture sensitivity level (MSL) of 2 (1 Year), making it suitable for standard manufacturing processes. The A4492EESTR-T is available in a tape and reel (TR) package, facilitating automated assembly processes.

A4492EESTR-T Features

• Adjustable Output Voltage: The A4492EESTR-T offers an adjustable output voltage ranging from 0.8V to 30.6V, providing flexibility to meet the specific power requirements of various electronic systems.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 34V, this regulator can accommodate a broad spectrum of power sources, enhancing its versatility.
• High Efficiency Buck Topology: Utilizing a buck topology with a switching frequency of 550kHz, the A4492EESTR-T ensures efficient power conversion, minimizing energy loss and improving overall system efficiency.
• Surface-Mount Packaging: The 20QFN package format allows for easy integration into compact and high-density PCB designs, making it ideal for space-constrained applications.
• Environmental Compliance: The A4492EESTR-T is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the regulator is suitable for standard manufacturing processes, reducing the risk of moisture-related issues during assembly.

A4492EESTR-T Applications

The A4492EESTR-T is well-suited for a variety of applications where efficient power management and flexibility are critical. Some specific use cases include:

• Telecommunications Equipment: Ideal for powering various components in telecom systems, where a wide input voltage range and adjustable output voltage are essential for maintaining stable operation.
• Industrial Control Systems: Suitable for industrial applications that require reliable power regulation and can benefit from the regulator's wide input voltage range and high efficiency.
• Consumer Electronics: Applicable in consumer devices where compact design and efficient power conversion are crucial, such as in portable electronics and home appliances.
• Automotive Electronics: Given its robustness and compliance with environmental standards, the A4492EESTR-T can be used in automotive applications where power management is critical for performance and safety.

Conclusion of A4492EESTR-T

The A4492EESTR-T from Allegro MicroSystems stands out as a versatile and efficient DC Switching Voltage Regulator. Its adjustable output voltage, wide input voltage range, and high efficiency make it an excellent choice for a variety of applications. The surface-mount packaging and environmental compliance further enhance its suitability for modern electronics manufacturing. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for existing designs and legacy systems.