Product Overview: LM2574MX-3.3 - Texas Instruments

The LM2574MX-3.3, crafted by the renowned semiconductor manufacturer Texas Instruments, is an efficient, fixed voltage, step-down switching regulator that offers a simple and robust solution for a wide variety of applications. This regulator is designed to minimize the number of external components while maintaining flexibility and reliability, making it a go-to choice for designers and engineers.

Key Features

• Output Voltage: Fixed 3.3V output with a precision of ±4% over line and load conditions.
• Output Current: Capable of delivering up to 0.5A of output current.
• Efficiency: High efficiency up to 85%, which reduces power loss and heat dissipation.
• Operating Frequency: 52 kHz fixed frequency internal oscillator.
• Thermal Shutdown: In-built thermal shutdown feature ensures protection against overheating.
• Voltage Range: Wide input voltage range from 4V to 40V, suitable for various supply sources.
• Package: Available in a compact SOP-8 (Small Outline Package) for space-constrained applications.

Applications

The LM2574MX-3.3 is ideal for a broad spectrum of applications, including but not limited to:

• Simple high-efficiency step-down (buck) regulators.
• On-card switching regulators.
• Positive to negative converter (Buck-Boost).

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the LM2574MX-3.3 is no exception. It is designed to meet the rigorous standards of the industry, ensuring high performance and reliability for critical applications. The device also complies with the RoHS directive, making it an environmentally responsible choice.

Support and Resources

To facilitate design and implementation, Texas Instruments provides extensive technical documentation, including datasheets, application notes, and design tools. Customers can also access TI's support community for additional assistance and insights from both TI experts and peer engineers.