TPS54380PWPR

The TPS54380PWPR is a high-performance, step-down (buck) voltage regulator from Texas Instruments, designed to efficiently convert a higher input voltage to a lower output voltage. This device is particularly well-suited for applications requiring a compact power solution with high efficiency and reliability.

Key Features:

1. Input Voltage Range: The TPS54380 can accept a wide input voltage range, typically from 4.5V to 17V, making it versatile for various power supply applications.

2. Output Voltage: The device is capable of providing a fixed output voltage of 3.3V or an adjustable output voltage, depending on the configuration. The output voltage can be set using external resistors, allowing for flexibility in design.

3. Output Current: It can deliver up to 3A of continuous output current, making it suitable for powering a range of devices, including microcontrollers, FPGAs, and other digital circuits.

4. Efficiency: The TPS54380 is designed for high efficiency, often exceeding 90% under typical load conditions. This efficiency helps to minimize heat generation and prolongs the lifespan of the components.

5. Switching Frequency: The device operates at a fixed switching frequency of 300 kHz, which helps to reduce the size of external components such as inductors and capacitors.

6. Thermal Performance: It features thermal shutdown protection, ensuring that the device operates safely under high-temperature conditions. The package is designed to dissipate heat effectively, which is crucial for maintaining performance in compact designs.

7. Package Type: The TPS54380 is available in a PowerPAD™ package (PWPR), which is a 20-pin HTQFP (Thin Quad Flat Package). This package type allows for efficient thermal management and is suitable for surface-mount applications.

8. Control Method: The regulator employs a voltage mode control scheme with a built-in compensation network, simplifying the design process and improving transient response.

9. Additional Features: The TPS54380 includes features such as soft-start, which helps to limit inrush current during startup, and a power-good output that indicates when the output voltage is within the specified range.

Applications:

The TPS54380 is ideal for a variety of applications, including:

• Point-of-load (POL) converters for processors and FPGAs
• Distributed power systems
• Battery-powered devices
• Automotive electronics
• Industrial automation systems

Conclusion:

Overall, the TPS54380PWPR from Texas Instruments is a robust and efficient buck converter that provides designers with a reliable solution for stepping down voltage in a compact form factor. Its combination of high efficiency, wide input voltage range, and integrated protection features makes it a popular choice for modern electronic applications.