UC282TD-3

The UC282TD-3 is a versatile and highly integrated PWM (Pulse Width Modulation) controller designed for use in various power supply applications. Manufactured by Texas Instruments, this device is particularly well-suited for switch-mode power supplies (SMPS), including isolated and non-isolated designs.

Key Features:

1. Voltage Regulation: The UC282TD-3 provides precise voltage regulation, making it ideal for applications requiring stable output voltages. It can operate in both voltage mode and current mode, allowing for flexibility in design.

2. High Efficiency: The controller is designed to optimize efficiency, which is crucial for reducing heat generation and improving overall system performance. This is particularly important in battery-powered applications where energy conservation is key.

3. Wide Input Voltage Range: The UC282TD-3 can handle a broad input voltage range, making it suitable for various power sources. This feature enhances its adaptability in different environments and applications.

4. Integrated Functions: The device includes several integrated functions such as soft start, over-voltage protection, and under-voltage lockout. These features simplify the design process and enhance the reliability of the power supply.

5. Output Drive Capability: The UC282TD-3 is equipped with a robust output drive capability, allowing it to drive external MOSFETs or IGBTs directly. This capability is essential for high-power applications where efficient switching is required.

6. Thermal Performance: The controller is designed to operate effectively across a wide temperature range, ensuring reliable performance in various environmental conditions. Its thermal management features help maintain optimal operating temperatures.

7. Package Type: The UC282TD-3 typically comes in a standard 8-pin DIP (Dual In-line Package) or surface-mount package, facilitating easy integration into circuit designs.

Applications:

The UC282TD-3 is commonly used in:

• DC-DC Converters: For converting one DC voltage level to another with high efficiency.
• Power Supplies: In both industrial and consumer electronics, providing stable power to various devices.
• Battery Chargers: For efficiently charging batteries while managing voltage and current levels.
• LED Drivers: In applications requiring precise control of LED brightness and efficiency.

Conclusion:

Overall, the UC282TD-3 from Texas Instruments is a robust and efficient PWM controller that offers a range of features suitable for modern power supply designs. Its versatility, combined with integrated protection mechanisms and high efficiency, makes it a popular choice among engineers and designers in the field of power electronics.