Product Overview: LM2576HVT-3.3/NOPB

The LM2576HVT-3.3/NOPB is a highly efficient, monolithic integrated circuit voltage regulator designed and manufactured by Texas Instruments. This step-down voltage regulator offers all the functions necessary for a buck power converter, capable of driving a 3A load with excellent line and load regulation. The device is an ideal choice for a wide range of applications, including consumer electronics, embedded systems, and industrial hardware where a stable and reliable voltage source is critical.

Key Features

• Output Voltage: The LM2576HVT-3.3/NOPB provides a fixed output voltage of 3.3V, which is a common requirement for digital circuits such as microcontrollers and peripheral devices.
• Output Current: Capable of delivering up to 3A of output current, this regulator can power a significant load, making it suitable for both high and low power applications.
• High Efficiency: With a typical efficiency of over 77%, the device ensures minimal heat generation and is well-suited for energy-sensitive projects.
• Thermal Shutdown and Current Limit Protection: Built-in safety features such as thermal shutdown and current limit protection safeguard the device and the load from damage due to overheating and overcurrent conditions.
• Wide Input Voltage Range: The LM2576HVT-3.3/NOPB can handle an input voltage range from 4.5V to 60V, offering flexibility for various power supply configurations.
• 52kHz Fixed Frequency Internal Oscillator: The fixed frequency simplifies noise filtering and provides predictable performance.
• Package: The TO-220 package ensures easy mounting and adequate heat dissipation for the regulator.

Applications

The LM2576HVT-3.3/NOPB is versatile and can be used in a range of applications, including:

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

With its ease of use, including a minimal number of external components, the LM2576HVT-3.3/NOPB is an excellent choice for designers looking for a reliable and straightforward power solution. Texas Instruments' commitment to quality ensures that this voltage regulator is a dependable component for any power management task.