STMicroelectronics L5973ADTR-LF Voltage Regulator

The L5973ADTR-LF is a high-performance step-down switching regulator produced by STMicroelectronics, a leader in the semiconductor industry. This voltage regulator is designed to deliver a maximum output current of 2.5A with an output voltage adjustable from 1.235 V to 35 V, which makes it a versatile solution for a wide range of applications. The device operates at a switching frequency of up to 500 kHz, allowing the use of smaller-sized external components, thereby reducing the overall solution footprint and cost.

The L5973ADTR-LF integrates several features to ensure high efficiency and reliable operation. It includes internal cycle-by-cycle current limiting and thermal shutdown for enhanced protection. The regulator also provides excellent line and load regulation, which maintains stable output voltage despite variations in input voltage or load conditions.

Designed with simplicity in mind, the L5973ADTR-LF requires only a minimal number of external components, simplifying the design process. It is compatible with ceramic capacitors, which are known for their small size and reliability, further contributing to the compactness of the overall power supply design. The device comes in a compact package, making it suitable for space-constrained applications.

Typical applications for the L5973ADTR-LF include consumer electronics, such as set-top boxes and LCD monitors, as well as industrial systems, telecommunications equipment, and automotive applications. Its robustness and flexibility make it an ideal choice for designers looking to create efficient, reliable power supply circuits.

Overall, the L5973ADTR-LF from STMicroelectronics is a powerful, efficient, and versatile voltage regulator that offers a blend of performance and ease of use for engineers and designers working on a variety of electronic projects and products.

Key Features:

• 2.5A Output Current
• Adjustable Output Voltage: 1.235 V to 35 V
• High Switching Frequency: up to 500 kHz
• Thermal Shutdown and Current Limit Protection
• High Efficiency and Reliability
• Minimal External Components Required
• Compatible with Ceramic Capacitors
• Compact Packaging for Space-Constrained Applications