The LM2597N-3.3 from Texas Instruments is a highly efficient, step-down voltage regulator that provides all the essential features for a buck power converter. Designed to deliver a fixed output voltage of 3.3V, this regulator is capable of driving a 3A load with excellent line and load regulation.

Key Features

• Output Voltage: Fixed 3.3V output to power a variety of devices.
• Output Current: Capable of delivering up to 3A of continuous output current.
• Efficiency: Integrated switch allows for up to 77% efficiency at 3A load.
• Adjustable Switching Frequency: Offers a range from 150 kHz to 1.5 MHz, allowing flexibility in choosing inductor size and efficiency.
• Thermal Shutdown and Current Limit: Enhanced protection features ensure reliability and longevity of the regulator and the end application.

Applications

The LM2597N-3.3 is suitable for a broad range of applications, such as:

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

Product Specifications

Parameter Value Manufacturer Texas Instruments Product Category Step-Down (Buck) Regulators Output Voltage 3.3V Output Current 3A Switching Frequency 150 kHz - 1.5 MHz Mounting Style Through Hole Package/Case TO-220-5

With its robust design and ease of use, the LM2597N-3.3 is an excellent choice for engineers and designers looking for a reliable power solution. Texas Instruments' commitment to quality ensures that this regulator will perform to the highest standards in a wide range of operating conditions.