The LM2586S-5.0 from Texas Instruments is a highly efficient, step-down voltage regulator that offers all the features necessary for a robust power design. This SIMPLE SWITCHER® regulator provides a fixed output voltage of 5V with a maximum output current of 3A, making it suitable for a broad range of applications.

Key Features

• Output Voltage: Fixed 5V output with high accuracy.
• Output Current: Capable of delivering up to 3A of continuous output current.
• Input Voltage Range: Versatile 4V to 40V input range to accommodate various supply levels.
• Efficiency: Integrated switch provides a typical efficiency of 77% which helps in reducing power losses.
• Frequency: 52kHz fixed frequency internal oscillator ensures predictable operation.
• Thermal Shutdown and Current Limit: In-built protections for reliable operation under abnormal conditions.
• Package: Offered in a TO-263 package for easy mounting and heat dissipation.

Applications

The LM2586S-5.0 is an ideal choice for a variety of applications that require a stable and efficient power supply. Common applications include:

• Simple high-efficiency step-down (buck) regulators.
• Efficient pre-regulators for linear regulators.
• On-card switching regulators for elimination of noise and distribution problems associated with single-point regulation.

Design Support

Texas Instruments provides comprehensive design support for the LM2586S-5.0, including datasheets, design tools, and technical resources to facilitate the design process and speed up product development. Engineers can access simulation models, application notes, and a wealth of other resources to ensure successful integration of the LM2586S-5.0 into their projects.

Quality and Reliability

As with all Texas Instruments products, the LM2586S-5.0 is manufactured to the highest quality standards, ensuring reliable performance in even the most demanding applications. Its robust design and built-in protection features contribute to a long operational lifespan and consistent performance.