UCC28C41DG4

The UCC28C41DG4 is a high-performance voltage mode PWM (Pulse Width Modulation) controller designed by Texas Instruments, primarily used in power supply applications. This integrated circuit is part of the UCC28xx family, which is known for its efficiency and reliability in managing power conversion processes.

Key Features:

1. Voltage Mode Control: The UCC28C41 operates in voltage mode, which allows for stable control of the output voltage, making it suitable for various power supply designs.

2. Wide Input Voltage Range: It typically supports a wide input voltage range, often from 8V to 30V, making it versatile for different applications, including AC-DC converters and DC-DC converters.

3. High Efficiency: The controller is designed to optimize efficiency, which is crucial for reducing heat generation and improving overall system performance.

4. Integrated Functions: The UCC28C41 includes several integrated features such as soft start, over-voltage protection, and under-voltage lockout, which enhance the safety and reliability of the power supply.

5. Frequency Range: It operates at a frequency range that can be adjusted, typically around 100 kHz to 500 kHz, allowing designers to optimize the size of passive components in their designs.

6. DIP Package: The "DG4" designation indicates that the UCC28C41 is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) form factor, which is compact and suitable for space-constrained applications.

7. Temperature Range: The device is rated for operation over a wide temperature range, typically from -40°C to +125°C, ensuring reliable performance in various environmental conditions.

8. Application Versatility: It is suitable for a range of applications, including but not limited to, power supplies for computers, telecommunications equipment, and industrial automation systems.

Pin Configuration:

The UCC28C41 features a standard pin configuration that includes pins for input voltage, output voltage feedback, compensation network, and various control signals. This layout facilitates easy integration into existing designs and allows for straightforward PCB layout.

Performance Characteristics:

• Startup Current: The controller has a low startup current, which helps in minimizing power consumption during the initial power-up phase.
• Duty Cycle Control: It provides a wide duty cycle range, allowing for effective control of the output voltage under varying load conditions.

Conclusion:

The UCC28C41DG4 from Texas Instruments is a robust and efficient PWM controller that offers a range of features suitable for modern power supply designs. Its combination of integrated protection features, wide input voltage range, and high efficiency makes it a popular choice among engineers looking to develop reliable and compact power solutions.