Texas Instruments

LM2574MX-5.0

LM2574MX-5.0 Description

The LM2574MX-5.0 is a fixed-output, positive voltage regulator from Texas Instruments, designed for DC switching voltage regulation applications. This surface-mount IC is part of the SIMPLE SWITCHER® series and is packaged in a 14-pin SOIC package. With a fixed output voltage of 5V and an output current capability of 500mA, the LM2574MX-5.0 is suitable for a variety of power conversion tasks.

LM2574MX-5.0 Features

• Output Type: Fixed, ensuring a stable and predictable output voltage.
• Voltage - Input (Min/Max): 4V to 40V, providing a wide input voltage range for flexibility in various power supply scenarios.
• Current - Output: 500mA, suitable for low to medium power applications.
• Output Configuration: Positive, making it ideal for applications requiring a positive voltage output.
• Product Status: Not For New Designs, indicating that while it is still available, newer designs may be preferred for new projects.
• Frequency - Switching: 52kHz, allowing for efficient power conversion with minimal noise.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• Mounting Type: Surface Mount, facilitating integration into compact and densely populated PCB designs.
• Number of Outputs: 1, simplifying design for single-output applications.
• Series: SIMPLE SWITCHER®, known for its ease of use and reliability.
• Topology: Buck, making it suitable for step-down voltage conversion.
• Synchronous Rectifier: No, which may affect efficiency but simplifies design.

LM2574MX-5.0 Applications

The LM2574MX-5.0 is ideal for applications where a stable 5V output is required, such as:

• Portable Electronics: Powering low-power circuits in devices like smartphones, tablets, and wearables.
• Industrial Controls: Providing a reliable power source for microcontrollers and sensors in industrial automation systems.
• Telecommunications: Supplying power to components in communication equipment where a stable 5V is necessary.

Conclusion of LM2574MX-5.0

The LM2574MX-5.0 offers a reliable and efficient solution for applications requiring a fixed 5V output with up to 500mA of current. Its wide input voltage range and compact surface-mount package make it suitable for a variety of power conversion tasks in both new and existing designs. While it is marked as "Not For New Designs," it remains a viable option for applications where its specific characteristics align with the project requirements.