The LM2576D2TR4-3.3 from ON Semiconductor is a highly efficient, easy-to-use voltage regulator that is part of the LM2576 series. This step-down (buck) switching regulator is designed to provide a fixed output voltage of 3.3V with a maximum output current of 3A. It is an ideal solution for designers looking to create a stable power supply in a variety of electronic applications, ranging from consumer electronics to industrial systems.

Key Features

• Output Voltage: Fixed 3.3V with a precision of ±4% over line and load conditions.
• Output Current: Capable of delivering up to 3A of continuous output current.
• High Efficiency: Integrated switch allows for efficiencies up to 77%, reducing power loss and heat generation.
• Thermal Shutdown and Current Limit: In-built protection features safeguard the device against over-temperature and over-current conditions.
• Wide Input Voltage Range: Can operate with input voltages from 4V to 40V, accommodating a variety of power sources.
• Simple Design: Requires minimal external components, facilitating ease of design and a reduction in overall system cost.
• Frequency: Fixed 52kHz switching frequency allows for a balance between efficiency and component size.
• Packaging: Available in a TO-263 package, which is suitable for surface mount technology and helps in saving PCB space.

Applications

The LM2576D2TR4-3.3 is versatile and can be used in a range of applications, including:

• Consumer Electronics
• Telecommunications Equipment
• Peripheral Systems
• Office Equipment
• Industrial Machinery

With its robust design and comprehensive feature set, the LM2576D2TR4-3.3 from ON Semiconductor is an excellent choice for engineers looking for a reliable and cost-effective power solution.