STMicroelectronics

B5973D

B5973D Description

The B5973D is a high-performance, adjustable output DC switching voltage regulator designed and manufactured by STMicroelectronics. This automotive-grade IC is built with a Buck topology and features a surface-mount package, making it ideal for space-constrained applications. With an input voltage range of 4V to 36V and an output voltage range of 1.235V to 35V, the B5973D can deliver up to 2A of continuous current, making it suitable for a wide range of power management applications.

B5973D Features

• Adjustable output voltage for flexible power management
• 2A continuous output current for high-power applications
• Wide input voltage range (4V to 36V) for compatibility with various power sources
• Buck topology for efficient power conversion
• Surface-mount package for space-saving design
• Automotive-grade performance for reliable operation in harsh environments
• 250kHz switching frequency for fast response times
• No synchronous rectifier for simplified design
• REACH unaffected and RoHS3 compliant for environmental compliance
• Moisture Sensitivity Level (MSL) 3 for robustness against moisture
• EAR99 ECCN for export control classification

B5973D Applications

The B5973D is ideal for various automotive and industrial applications where adjustable output voltage and high current are required. Some specific use cases include:

1. Automotive infotainment systems and electronic control units (ECUs)
2. Industrial motor drives and power supplies
3. Portable electronic devices with adjustable power requirements
4. Telecommunications equipment with varying power input sources
5. Medical devices with stringent performance and reliability requirements

Conclusion of B5973D

The B5973D is a versatile and high-performance DC switching voltage regulator that offers adjustable output voltage, high current capability, and automotive-grade reliability. Its wide input voltage range, efficient Buck topology, and surface-mount package make it an ideal choice for a variety of applications in the automotive, industrial, and medical sectors. While it may be considered obsolete, its unique features and advantages still make it a valuable option for specific use cases where its performance characteristics are required.