Texas Instruments

UCC28C44D

UCC28C44D Description

The UCC28C44D from Texas Instruments is an offline PWM controller designed for power management applications. This device is specifically tailored for boost, flyback, and forward converter topologies, making it suitable for a wide range of power supply designs. The UCC28C44D features a transistor driver output with a positive configuration, providing a robust solution for driving power transistors efficiently. It operates within a supply voltage range of 9V to 18V, ensuring compatibility with various power supply systems.

UCC28C44D Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: Up to 1MHz, allowing for high-frequency operation and compact designs.
• Voltage - Supply (Vcc/Vdd): 9V to 18V, providing flexibility in power supply selection.
• Control Features: Frequency Control, enabling precise regulation of the switching frequency.
• Duty Cycle (Max): 48%, ensuring efficient power conversion and thermal management.
• Number of Outputs: 1, with a single output phase, simplifying circuit design.
• Package: Tube, suitable for surface mount applications, ensuring ease of integration into modern PCB designs.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), making it suitable for storage and handling in various environments.

UCC28C44D Applications

The UCC28C44D is ideal for a variety of applications due to its versatile design and high-frequency operation capabilities. It is particularly suited for:

• Power Supplies: Ideal for designing efficient and compact power supplies for consumer electronics, industrial equipment, and telecommunications.
• Adapters and Chargers: Suitable for creating high-frequency adapters and chargers that require high efficiency and small form factors.
• LED Lighting: Can be used in LED driver applications where high-frequency PWM control is necessary for precise dimming and brightness control.
• Switching Regulators: Applicable in various switching regulator designs, including boost, flyback, and forward converters, where high efficiency and reliability are crucial.

Conclusion of UCC28C44D

The UCC28C44D from Texas Instruments is a versatile offline PWM controller that offers a comprehensive set of features for power management applications. Its high-frequency operation, flexible supply voltage range, and transistor driver output make it an excellent choice for designing efficient power supplies and switching regulators. Despite being marked as obsolete, the UCC28C44D remains a reliable and compliant solution, suitable for various applications in the electronics industry. Its compliance with REACH and ROHS3 standards ensures that it meets environmental and regulatory requirements, making it a responsible choice for modern power management designs.