The LM2574HVM-ADJ from Texas Instruments is a highly efficient, step-down voltage regulator that offers the convenience of a fixed 52kHz switching frequency and the flexibility of an adjustable output voltage. This regulator is capable of delivering up to 0.5A of load current, with excellent line and load regulation.

Key Features:

• Adjustable Output Voltage Range: 1.23V to 37V
• Maximum Output Current: 0.5A
• Efficiency up to 85%
• 52kHz Fixed Frequency Internal Oscillator
• Thermal Shutdown and Current Limit Protection
• Requires Only 4 External Components
• Available in TO-263 Package

Applications:

The LM2574HVM-ADJ is versatile and can be used in a variety of applications, including simple high-efficiency step-down (buck) regulators, efficient pre-regulators for linear regulators, and on-card switching regulators for elimination of noise and distribution problems associated with single-point regulation.

Performance Benefits:

With its straightforward pin configuration and the ability to cater to a wide voltage range, the LM2574HVM-ADJ is an excellent choice for designers looking for a reliable and easy-to-use step-down regulator. Its high efficiency significantly reduces the amount of heat generated, thereby eliminating the need for heat sinks in most applications. The built-in protection features ensure long-term reliability and stability of your power supply design.

Design Support:

Texas Instruments provides comprehensive design support for the LM2574HVM-ADJ, including detailed datasheets, application notes, and a suite of design tools to help engineers streamline the design process and select the appropriate components for their specific requirements.