TPS54328DRCR

The TPS54328DRCR 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 TPS54328 operates over a wide input voltage range, typically from 4.5V to 17V, making it versatile for various power supply applications.

2. Output Voltage: It can provide a fixed output voltage of 3.3V or be configured for adjustable output voltages down to 0.8V, allowing for flexibility in design.

3. Output Current: The regulator can deliver up to 3A of continuous output current, making it suitable for powering a range of devices, from microcontrollers to more demanding loads.

4. Efficiency: The TPS54328 is designed for high efficiency, often exceeding 90% under typical load conditions. This efficiency helps to minimize heat generation and improve overall system reliability.

5. Switching Frequency: The device operates at a fixed switching frequency of 340 kHz, which helps to reduce the size of external components, such as inductors and capacitors, while maintaining stable operation.

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, contributing to its reliability.

7. Package Type: The TPS54328DRCR comes in a compact 20-pin HTQFP (Thin Quad Flat Package) form factor, which is ideal for space-constrained applications.

8. Control Method: The regulator employs a voltage mode control scheme with a built-in compensation network, simplifying the design process and enhancing stability across a range of operating conditions.

9. Protection Features: In addition to thermal shutdown, the TPS54328 includes features such as overcurrent protection and undervoltage lockout, which help to safeguard both the regulator and the load.

10. Application Areas: This device is commonly used in various applications, including point-of-load (POL) converters, distributed power systems, and battery-powered devices, where efficient power conversion is critical.

Summary:

The TPS54328DRCR from Texas Instruments is a robust and efficient buck converter that provides a reliable solution for powering electronic devices. Its combination of a wide input voltage range, high output current capability, and advanced protection features makes it an excellent choice for designers looking to optimize power management in their applications. With its compact package and high efficiency, it is well-suited for modern electronic designs that demand both performance and space efficiency.