Texas Instruments

UCC38C50DR  

DC DC Switching Controllers

UCC38C50DR Description

The UCC38C50DR is a commercial-grade, low-power current mode controller designed for a wide range of DC-DC switching applications. Manufactured by Texas Instruments, this device is optimized for high efficiency and performance in power conversion systems. The UCC38C50DR features a maximum supply voltage of 30V and is capable of operating within a temperature range of 0°C to 85°C (TJ). It supports multiple topologies including buck, boost, flyback, forward converter, and SEPIC, making it versatile for various power supply designs.

UCC38C50DR Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 1MHz, enabling high-frequency operation for compact and efficient designs.
• Synchronous Rectifier: Yes, enhancing efficiency by reducing power losses.
• Control Features: Comprehensive control features including current limit, dead time control, enable, frequency control, and soft start ensure robust and reliable operation.
• Duty Cycle (Max): 100%, providing maximum flexibility in duty cycle control.
• Output Phases: 1, suitable for single-phase power conversion applications.
• Clock Sync: Yes, allowing synchronization with external clocks for precise timing control.
• Number of Outputs: 1, simplifying design and reducing component count.
• Mounting Type: Surface Mount, facilitating easy integration into compact PCB designs.
• Package: Tape & Reel (TR), ensuring reliable and efficient handling during manufacturing processes.
• Regulatory Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), making it suitable for a wide range of manufacturing environments.

UCC38C50DR Applications

The UCC38C50DR is ideal for applications requiring high efficiency and compact design. Its versatility in supporting multiple topologies makes it suitable for a variety of power conversion systems, including:

• Buck Converters: Efficient step-down voltage conversion for applications such as point-of-load power supplies.
• Boost Converters: Step-up voltage conversion for applications like LED lighting and automotive electronics.
• Flyback Converters: Isolated power supplies for applications requiring galvanic isolation, such as medical equipment and industrial controls.
• Forward Converters: High-efficiency power conversion for applications needing high power density.
• SEPIC Converters: Single-ended primary inductor converters for applications requiring input and output voltage flexibility.

Conclusion of UCC38C50DR

The UCC38C50DR from Texas Instruments stands out as a highly versatile and efficient DC-DC switching controller. Its wide range of supported topologies, high-frequency operation, and comprehensive control features make it an excellent choice for a variety of power conversion applications. The device's compliance with environmental and safety standards, along with its robust design and manufacturing-friendly package, further enhance its appeal. Whether used in compact consumer electronics, industrial controls, or automotive systems, the UCC38C50DR delivers reliable performance and high efficiency, making it a preferred choice for engineers and designers in the electronics industry.

UCC38C50DR Documents

Download datasheets and manufacturer documentation for UCC38C50DR

Datasheets :

UCCx8C5x      

PCN Design/Specification :

Mult Dev 27/Jul/2023