LM2576D2T-ADJR4G

The LM2576D2T-ADJR4G is a versatile voltage regulator from the LM2576 series, designed for efficient power conversion. It is a step-down (buck) switching regulator capable of driving a 3A load with excellent line and load regulation. The device operates with an input voltage range typically from 7V to 40V and provides an adjustable output voltage as low as 1.23V using an external resistor divider. Its switch-mode design allows for efficiency improvements over linear regulators, making it suitable for applications requiring power-efficient voltage regulation.
Key features include a fixed 52 kHz switching frequency, thermal shutdown, current limit protection, and a standard 5-pin TO-263 package for easy mounting and heat dissipation. The LM2576D2T-ADJR4G also incorporates feedback loop compensation, which simplifies circuit design and stability. The regulator is suitable for various applications, such as power supplies for industrial equipment, battery-powered devices, and other electronics requiring reliable and adjustable DC output. Its robust design and high efficiency make it a popular choice in many electronic circuit designs.

The LM2576D2T-ADJR4G is a monolithic integrated circuit designed for step-down (buck) voltage regulation applications. Key features include:
1. Adjustable Output Voltage: The part allows for an adjustable output, enabling a wide range of voltage configurations to suit different applications.

2. High Efficiency: The device typically offers efficiencies of up to 77% to 90%, depending on the input/output voltage conditions.
3. Switching Frequency: It operates at a fixed frequency of 52 kHz, optimizing performance and minimizing external component size.
4. Output Current: Capable of providing up to 3A of output current, making it suitable for various power supply needs.
5. Thermal Shutdown: Includes built-in over-temperature protection to prevent damage from overheating.
6. Overcurrent Protection: Equipped with current limiting to safeguard against excessive current conditions.
7. Wide Input Voltage Range: Operates with input voltages ranging from 4V to 40V, offering flexibility for different power sources.
8. Simplified Design: Requires a minimal number of external components, simplifying the design process and reducing overall system cost.
These features make the LM2576D2T-ADJR4G ideal for applications in power management for consumer electronics, industrial systems, and automotive electronics.

The LM2576D2T-ADJR4G is a voltage regulator IC typically packaged in a TO-263-5 (D2PAK-5) surface-mount type. This package allows for efficient thermal management and is suitable for applications requiring a compact footprint and reliable power dissipation.

The LM2576D2T-ADJR4G is a monolithic integrated circuit that functions as a step-down (buck) voltage regulator. It has a pin count of 5. Here's a brief overview of its pin functions:
1. Vin (Pin 1): Input voltage pin. The voltage supplied to this pin is regulated down to a lower output voltage.
2. Output (Pin 2): This pin provides the regulated output voltage to the load.
3. Ground (Pin 3): Common ground pin for both input and output.
4. Feedback (Pin 4): This pin is used to adjust the output voltage. By connecting a resistor divider network, users can set the desired output voltage.
5. ON/OFF (Pin 5): This pin allows the device to be turned on or off via an external signal. A high signal disables the regulator, while a low signal enables it.
The LM2576D2T-ADJR4G is designed for applications requiring efficient voltage regulation with simple external component requirements and adjustable output voltages, making it suitable for a wide range of power supply designs.

The LM2576D2T-ADJR4G is manufactured by onsemi, also known as ON Semiconductor. Onsemi is a leading supplier of semiconductor-based solutions, focusing on energy-efficient innovations to help customers reduce global energy use. Their products include a wide range of power and signal management, logic, discrete, and custom devices for various applications, such as automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, and military/aerospace markets.

The LM2576D2T-ADJR4G is a step-down voltage regulator commonly used in applications requiring efficient voltage conversion. Its primary application areas include power supply designs for communication equipment, industrial automation systems, automotive electronics, consumer electronics, and distributed power systems. It is well-suited for use in battery-powered devices due to its high efficiency and low quiescent current. Additionally, it can be employed in LED drivers, DC-DC converters, and other circuits requiring a reliable and adjustable output voltage.

The LM2576D2T-ADJR4G is a step-down voltage regulator. Equivalent products include the LM2596, which offers similar functionality and specifications. Other equivalents are the MC34063, LM2675, and L4970, which also serve as step-down regulators with adjustable outputs. When choosing an equivalent, ensure that the specifications like input voltage range, output current, and thermal characteristics match your requirements.