The LM2574HVN-ADJ from Texas Instruments is a versatile, easy-to-use, adjustable step-down (buck) voltage regulator that comes in a robust TO-220 package. This regulator offers all the features necessary to implement a highly efficient and cost-effective power supply solution for a wide range of applications.

Key Features

• Adjustable Output Voltage: This device provides an adjustable output voltage range from 1.23V to 37V, which allows for high flexibility in designing power supplies for various applications.
• High Efficiency: The LM2574HVN-ADJ operates at a switching frequency of 52kHz, reducing the size of external components and offering efficiencies up to 85%.
• Output Current: Capable of delivering up to 0.5A of load current with excellent line and load regulation.
• Thermal Shutdown and Current Limit: Integrated features such as thermal shutdown and current limit protect the device and the load from damage due to overheating and overcurrent conditions.

Applications

The LM2574HVN-ADJ is ideal for a multitude of applications, including but not limited to:

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators
• Adjustable power supplies

Package and Quality

The TO-220 package ensures that the LM2574HVN-ADJ can handle higher power levels and provides better thermal performance, making it suitable for commercial and industrial environments. The device is characterized for operation from -40°C to +125°C, catering to a broad range of temperature requirements.

Design Support

Texas Instruments provides extensive design support for the LM2574 series, including application notes, reference designs, and an online design simulation tool to assist engineers in quickly achieving an optimal design.

With its ease of use, reliability, and support from Texas Instruments, the LM2574HVN-ADJ is an excellent choice for designers looking to create efficient power supply solutions.