STMicroelectronics

A5974D  

DC Switching Voltage Regulators

A5974D Description

The A5974D is a highly efficient DC switching voltage regulator designed by STMicroelectronics. This device offers an adjustable output voltage ranging from 1.235V to 35V, making it suitable for a wide range of applications. It features a maximum input voltage of 36V and a minimum input voltage of 4V, ensuring compatibility with various power sources. The A5974D is capable of delivering a continuous output current of up to 2.5A, making it ideal for high-current applications. The regulator operates with a switching frequency of 250kHz, which allows for the use of smaller external components while maintaining high efficiency.

The A5974D is housed in an 8HSOP package and is available in tube packaging. It is designed for surface-mount applications, which simplifies the manufacturing process and enhances reliability. This regulator is classified as an automotive-grade component, ensuring robustness and reliability in demanding environments. Despite its obsolescence status, the A5974D remains a viable option for existing designs and legacy systems.

A5974D Features

• Adjustable Output Voltage: The A5974D provides an adjustable output voltage range from 1.235V to 35V, offering flexibility for various power requirements.
• Wide Input Voltage Range: With an input voltage range of 4 toV 36V, the regulator can operate with a variety of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 2.5A of continuous output current, the A5974D is suitable for applications requiring high current.
• Efficient Switching Frequency: Operating at a switching frequency of 250kHz, the regulator allows for the use of smaller inductors and capacitors, reducing the overall footprint and cost.
• Automotive-Grade Reliability: Classified as an automotive-grade component, the A5974D is designed to withstand harsh operating conditions, ensuring long-term reliability.
• Surface-Mount Technology: The surface-mount package simplifies the manufacturing process and enhances the mechanical stability of the component.
• Compliance and Safety: The A5974D is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the regulator is suitable for manufacturing processes that require a certain level of moisture protection.

A5974D Applications

The A5974D is well-suited for a variety of applications, particularly those requiring high efficiency and reliability. Some specific use cases include:

• Automotive Electronics: Ideal for automotive applications where high reliability and robustness are critical. The A5974D can power various electronic systems within vehicles, such as infotainment systems, electronic control units (ECUs), and advanced driver-assistance systems (ADAS).
• Industrial Control Systems: The regulator's wide input voltage range and high output current make it suitable for industrial control systems that require stable and efficient power supply.
• Telecommunications: In telecom applications, the A5974D can provide power to base stations, routers, and other networking equipment, ensuring reliable operation.
• Consumer Electronics: The regulator can be used in consumer electronics such as gaming consoles, high-end audio systems, and other devices that require efficient power management.

Conclusion of A5974D

The A5974D is a versatile and reliable DC switching voltage regulator that offers a wide range of features and benefits. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for various applications, particularly in the automotive and industrial sectors. Despite its obsolescence status, the A5974D remains a valuable component for existing designs and legacy systems. Its automotive-grade reliability, surface-mount technology, and compliance with environmental and safety standards further enhance its appeal. For applications requiring high efficiency, robustness, and flexibility, the A5974D is an excellent choice.

A5974D Documents

Download datasheets and manufacturer documentation for A5974D

Datasheets :

A5974D       Family of Step-Dwn Regulators Flyer       A798x, A597x Switching Regulators for Car Power Mgmt Flyer      

HTML Datasheet :

A5974D       Family of Step-Dwn Regulators Flyer       A798x, A597x Switching Regulators for Car Power Mgmt Flyer