Texas Instruments

UCC3807DTR-1

UCC3807DTR-1 Description

The UCC3807DTR-1 is a versatile DC-DC switching controller designed by Texas Instruments, suitable for a wide range of power conversion applications. This transistor driver IC is capable of operating in various topologies including Buck, Boost, Flyback, Forward Converter, and SEPIC, making it a highly adaptable solution for different power management needs. The UCC3807DTR-1 is housed in an 8-pin SOIC package and is available in a surface mount configuration, which is ideal for compact and space-constrained designs.

UCC3807DTR-1 Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 202kHz
• Voltage - Supply (Vcc/Vdd): 6.9V to 13.5V
• Operating Temperature: 0°C to 70°C (TA)
• Number of Outputs: 1
• Duty Cycle (Max): 78%
• Output Phases: 1
• Package: Tape & Reel (TR)
• Compliance: ROHS3 Compliant, REACH Unaffected

The UCC3807DTR-1 offers a switching frequency of 202kHz, which allows for the use of smaller inductors and capacitors, reducing the overall size and cost of the power supply. Its wide supply voltage range of 6.9V to 13.5V ensures compatibility with various input voltage sources. The maximum duty cycle of 78% provides efficient power conversion, making it suitable for high-efficiency applications.

UCC3807DTR-1 Applications

The UCC3807DTR-1 is well-suited for applications requiring efficient power conversion and compact design. Its versatility in supporting multiple topologies makes it ideal for:

• Buck Converters: Efficient step-down voltage conversion for applications such as LED drivers and low-voltage power supplies.
• Boost Converters: Step-up voltage conversion for applications like battery chargers and DC-DC boost modules.
• Flyback Converters: Isolated power supplies for applications requiring galvanic isolation, such as medical equipment and industrial control systems.
• Forward Converters: High-efficiency power conversion for applications requiring high power density.
• SEPIC Converters: Applications requiring both step-up and step-down voltage conversion, such as automotive electronics and renewable energy systems.

Conclusion of UCC3807DTR-1

The UCC3807DTR-1 from Texas Instruments is a robust and versatile DC-DC switching controller that offers a wide range of benefits for power management applications. Its ability to operate in multiple topologies, combined with its high switching frequency and wide supply voltage range, makes it an excellent choice for designers looking to optimize efficiency and space. Despite being marked as obsolete, the UCC3807DTR-1 remains a reliable and effective solution for various power conversion needs, particularly in applications where its unique features and performance benefits are highly valued.