Texas Instruments

UCC38C45DG4  

DC DC Switching Controllers

UCC38C45DG4 Description

The UCC38C45DG4 is a versatile DC-DC switching controller designed by Texas Instruments, offering a comprehensive solution for various power conversion topologies. This IC is specifically engineered to provide efficient control and regulation in boost, flyback, and forward converter applications. The UCC38C45DG4 features a transistor driver output configuration with a positive output type, making it suitable for driving external power MOSFETs. It operates within a supply voltage range of 7.6V to 18V and supports switching frequencies up to 1MHz, ensuring high efficiency and fast transient response.

UCC38C45DG4 Features

• Output Type: Transistor Driver, providing robust control for external power devices.
• Output Configuration: Positive, ensuring compatibility with a wide range of power circuits.
• Frequency - Switching: Up to 1MHz, enabling high-frequency operation for compact and efficient designs.
• Voltage - Supply (Vcc/Vdd): 7.6V to 18V, offering flexibility in power supply options.
• Control Features: Frequency Control, allowing precise regulation of the switching frequency.
• Duty Cycle (Max): 48%, providing a wide operating range for various load conditions.
• Number of Outputs: 1, with a single output phase, simplifying circuit design.
• Topology Support: Boost, Flyback, Forward Converter, making it suitable for multiple power conversion architectures.
• Mounting Type: Surface Mount, ensuring ease of integration into modern PCB designs.
• Operating Temperature: 0°C to 70°C (TJ), suitable for a wide range of ambient conditions.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for flexible storage and handling conditions.
• Package: Tube, providing a reliable and robust packaging solution.

UCC38C45DG4 Applications

The UCC38C45DG4 is ideal for applications requiring high efficiency and compact design. Its ability to support multiple topologies makes it suitable for a variety of power conversion needs, including:

• Boost Converters: Ideal for applications requiring voltage step-up, such as LED lighting and automotive electronics.
• Flyback Converters: Suitable for isolated power supplies in consumer electronics and industrial applications.
• Forward Converters: Applicable in high-power, high-efficiency power supplies for telecommunications and server power systems.

Conclusion of UCC38C45DG4

The UCC38C45DG4 from Texas Instruments is a highly versatile and efficient DC-DC switching controller, offering a comprehensive set of features and benefits. Its ability to support multiple power conversion topologies, combined with its high-frequency operation and robust control features, make it an excellent choice for a wide range of applications. The UCC38C45DG4's compliance with environmental and regulatory standards ensures its suitability for modern electronics design, while its surface mount packaging and wide operating temperature range provide flexibility and reliability. Despite its status as an obsolete product, the UCC38C45DG4 remains a valuable component for engineers seeking a reliable and efficient power conversion solution.

UCC38C45DG4 Documents

Download datasheets and manufacturer documentation for UCC38C45DG4

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing       Function Diagram      

Models :

UCC38C45DG4 Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

SPICE Models :

UCCx8C45 Unencrypted PSpice Transient Model