UCC38C43DGKG4

The UCC38C43DGKG4 is a high-performance voltage regulator and controller integrated circuit (IC) manufactured by Texas Instruments. It is part of the UCC38C43 family, which is designed for use in various power management applications, including DC-DC converters and power supply circuits.

Key Features:

1. Functionality: The UCC38C43 is primarily a PWM (Pulse Width Modulation) controller that can be used in both step-down (buck) and step-up (boost) converter configurations. It is designed to provide efficient power conversion with minimal losses.

2. Voltage Range: The IC operates over a wide input voltage range, typically from 10V to 30V, making it suitable for a variety of applications, including automotive and industrial power supplies.

3. Output Control: It features an adjustable output voltage, allowing designers to set the desired output level based on their specific application requirements. The output voltage can be regulated with high accuracy.

4. Switching Frequency: The UCC38C43 operates at a fixed switching frequency, which can be set by external components. This allows for predictable performance and helps in designing filters and other components in the power supply circuit.

5. Protection Features: The IC includes several built-in protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout. These features enhance the reliability and safety of the power supply system.

6. Package Type: The UCC38C43DGKG4 is available in a small, surface-mount package (DGG), which is designed for efficient thermal management and space-saving in PCB layouts. The compact size makes it suitable for applications where board space is limited.

7. Temperature Range: The device is rated for operation over a wide temperature range, typically from -40°C to +125°C, making it suitable for harsh environments.

8. Applications: Common applications for the UCC38C43 include power supplies for telecommunications, industrial equipment, and consumer electronics. It is also used in battery management systems and other applications requiring efficient power conversion.

Electrical Characteristics:

• Input Voltage Range: 10V to 30V
• Output Voltage Accuracy: Typically ±2%
• Switching Frequency: Configurable, typically in the range of 100 kHz to 500 kHz
• Quiescent Current: Low quiescent current for improved efficiency during light load conditions

Conclusion:

The UCC38C43DGKG4 from Texas Instruments is a versatile and efficient PWM controller that provides robust performance for a wide range of power management applications. Its combination of adjustable output, built-in protection features, and compact packaging makes it an excellent choice for engineers looking to design reliable and efficient power supply solutions.