LM2576D2TR4-3.3G

The LM2576D2TR4-3.3G is a monolithic integrated circuit designed for step-down (buck) voltage regulation applications. It is part of the LM2576 series, which are efficient, easy-to-use DC-DC converters. This specific model provides a fixed 3.3V output, making it suitable for powering microcontrollers and various digital components requiring a stable 3.3V supply.
Key features include:
- Output Current Capability: Up to 3A
- Wide Input Voltage Range: 4V to 40V
- Fixed Output Voltage: 3.3V
- Efficiency: Typically up to 90%, which helps in reducing heat generation and power loss
- Internal Frequency Compensation and a Fixed-Frequency Oscillator
- Low External Component Count
- Thermal Shutdown and Current Limit Protection for enhanced reliability
The package type, "D2PAK," is designed for surface-mount applications, making it suitable for compact PCB designs.
This regulator is often used in applications such as battery-powered systems, distributed power systems, and industrial electronics due to its robust performance and ease of implementation.

The LM2576D2TR4-3.3G is a step-down voltage regulator from ON Semiconductor. Key features include:
1. Output Voltage: Fixed 3.3V.
2. Input Voltage Range: 4V to 40V, accommodating a wide range of input sources.
3. Output Current: Delivers up to 3A, suitable for powering various devices.
4. Efficiency: High efficiency, often greater than 80%, minimizing power loss.
5. Switching Frequency: Operates at a fixed frequency of 52 kHz for consistent performance.
6. Thermal Shutdown: Integrated protection to prevent damage from overheating.
7. Current Limiting: Protects against excessive current conditions by limiting the output.
8. Simplified Design: Requires few external components, making it easy to design with.
9. Package Type: Available in a TO-263-5 surface-mount package, facilitating integration into compact designs.
10. Applications: Ideal for use in industrial, automotive, and consumer electronic applications requiring efficient step-down regulation.
These features make the LM2576D2TR4-3.3G a versatile and reliable choice for many power management applications.

The LM2576D2TR4-3.3G is typically available in a D2PAK-5 (TO-263-5) package. This is a surface-mount package designed for efficient heat dissipation and is commonly used for high-power applications.

The LM2576D2TR4-3.3G is a DC-DC step-down (buck) voltage regulator designed to provide a 3.3V output. It comes in a D2PAK package format and typically features 5 pins. Here's a brief overview of the pin functions:
1. Input (Vin): This pin is for the input voltage supply, which can range from 4V to 40V.
2. Output (Vout): This pin provides the regulated output voltage of 3.3V.
3. Ground (GND): This is the common ground reference for the input, output, and other pins.
4. Feedback (FB): This pin is used to provide feedback to the internal error amplifier, ensuring the output voltage remains stable and at the desired level.
5. ON/OFF: This pin is used to enable or disable the regulator. A high voltage typically turns the regulator off, while a low voltage enables it.
These pins provide the necessary connectivity for the regulator to function efficiently in power supply applications.

The LM2576D2TR4-3.3G is manufactured by ON Semiconductor, a company that specializes in manufacturing semiconductors and related components. ON Semiconductor, now known as onsemi, focuses on intelligent power and sensing technologies, providing products for automotive, industrial, cloud power, and Internet of Things (IoT) applications. The company is known for its expertise in developing energy-efficient solutions and providing a wide range of products including power management ICs, sensors, and custom devices.

The LM2576D2TR4-3.3G is a step-down voltage regulator, commonly used in applications requiring a stable 3.3V output. Its applications include power supply solutions for microcontrollers, communication equipment, industrial automation systems, consumer electronics, and battery-powered devices. It is ideal where efficient voltage regulation and low dropout voltage are needed, such as in DC-DC conversion circuits and embedded systems.

The LM2576D2TR4-3.3G is a step-down voltage regulator. Equivalent products include:
1. L4973V3.3 by STMicroelectronics
2. LM2596-3.3 by Texas Instruments
3. MC34063A by ON Semiconductor (with proper design configuration)
4. LT1376 by Analog Devices
5. AP1509-33 by Diodes Incorporated
These alternatives provide similar voltage regulation functions but check specifications for compatibility in your specific application.