STMicroelectronics

A5973D

A5973D Description

The A5973D, manufactured by STMicroelectronics, is a high-performance, automotive-grade DC switching voltage regulator designed for applications requiring efficient power conversion. This Buck regulator features an adjustable output voltage, capable of handling input voltages ranging from 4V to 36V and delivering a maximum output current of 2A. With a switching frequency of 250kHz, the A5973D ensures high efficiency and low noise operation.

A5973D Features

• Adjustable Output Voltage: The A5973D provides an adjustable output voltage range from 1.235V to 35V, making it suitable for a wide range of applications.
• High Input Voltage Range: Capable of handling input voltages from 4V to 36V, the A5973D is ideal for applications with varying power sources.
• 2A Output Current: Delivers a continuous output current of 2A, suitable for powering various electronic devices.
• 250kHz Switching Frequency: Ensures high efficiency and low noise operation, ideal for sensitive applications.
• Automotive Grade: Designed to meet the stringent requirements of the automotive industry, the A5973D offers reliable performance in harsh environments.
• Surface Mount Package: The 8-Pin HSOP package allows for easy integration into compact designs.
• REACH Unaffected and RoHS3 Compliant: The A5973D meets environmental regulations, making it suitable for use in eco-friendly products.

A5973D Applications

The A5973D is ideal for various applications where efficient power conversion is required, including:

1. Automotive Systems: Powering electronic control units, infotainment systems, and other in-vehicle electronics.
2. Industrial Equipment: Providing stable power to sensors, controllers, and other components in industrial settings.
3. Portable Electronics: Powering devices such as smartphones, tablets, and wearables with adjustable power requirements.
4. Medical Devices: Ensuring reliable power delivery to critical medical equipment with varying power needs.

Conclusion of A5973D

The A5973D is a versatile and reliable DC switching voltage regulator, offering adjustable output voltage, high input voltage range, and automotive-grade performance. Its unique features, such as the 250kHz switching frequency and surface mount package, make it an excellent choice for a wide range of applications, including automotive, industrial, and portable electronics. Despite being classified as obsolete, the A5973D remains a valuable option for legacy systems or applications where its specific performance characteristics are required.