The LM2575N-ADJ from Texas Instruments is a versatile and robust step-down voltage regulator that offers the efficiency of a switch-mode power supply with the simplicity of a linear regulator. This adjustable regulator is designed to deliver up to 1A of output current with an output voltage that can be set from 1.23V to 37V, making it an ideal choice for a wide range of applications.

Key Features

• Adjustable Output Voltage: The LM2575N-ADJ allows for an adjustable output voltage range from 1.23V to 37V, which can be set with just two external resistors.
• High Efficiency: With a typical efficiency of 77% to 87%, this regulator conserves energy, which is particularly beneficial for battery-powered devices.
• Output Current: Capable of delivering 1A of continuous output current with excellent line and load regulation.
• Thermal Shutdown and Current Limit Protection: Built-in features include thermal shutdown to prevent overheating and current limit protection to avoid over-current conditions.
• Simple and Easy to Use: Requires minimal external components for operation, making it suitable for simple designs and rapid prototyping.
• 52 kHz Fixed Frequency Internal Oscillator: The internal oscillator's fixed frequency simplifies noise filtering in noise-sensitive applications.

Applications

The LM2575N-ADJ is highly versatile and can be used in a variety 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)

Package and Quality

Enclosed in a standard 5-lead TO-220 package, the LM2575N-ADJ is designed for through-hole mounting, which makes it easy to integrate into a variety of circuit boards. Texas Instruments ensures high-quality standards, and the LM2575N-ADJ is no exception, providing reliable and consistent performance for your power management needs.