Texas Instruments

UCC3805DTR/81222  

DC DC Switching Controllers

UCC3805DTR/81222 Description

The UCC3805DTR/81222 is a versatile transistor driver designed for a wide range of power management applications. Manufactured by Texas Instruments, this component is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored for analog voltage regulation in switching power supplies. With a switching frequency of 31kHz, the UCC3805DTR/81222 offers efficient power conversion and regulation, making it suitable for various topologies including buck, boost, flyback, and forward converters.

UCC3805DTR/81222 Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Product Status: Active
• Frequency - Switching: 31kHz
• Voltage - Supply (Vcc/Vdd): 3.6V to 12V
• Operating Temperature: 0°C to 70°C (TA)
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Control Features: Frequency Control
• Duty Cycle (Max): 49%
• Output Phases: 1
• Mounting Type: Surface Mount
• Package: Bulk
• Base Product Number: UCC3805

The UCC3805DTR/81222 stands out with its broad supply voltage range of 3.6V to 12V, ensuring compatibility with various power supply systems. Its maximum duty cycle of 49% provides precise control over the switching process, enhancing efficiency and reliability. The surface mount packaging and bulk packaging options make it ideal for high-volume production and integration into compact designs.

UCC3805DTR/81222 Applications

The UCC3805DTR/81222 is particularly well-suited for applications requiring efficient power conversion and regulation. Its compatibility with multiple converter topologies makes it a versatile choice for:

• Buck Converters: Efficient step-down voltage conversion for applications such as power supplies in consumer electronics and automotive systems.
• Boost Converters: Ideal for step-up voltage conversion in applications like LED lighting and portable devices.
• Flyback Converters: Suitable for isolated power supplies in telecommunications and industrial equipment.
• Forward Converters: Applicable in high-power, high-efficiency power supplies for data centers and renewable energy systems.

Conclusion of U3CC805DTR/81222

The UCC3805DTR/81222 from Texas Instruments is a robust and flexible transistor driver designed to meet the demands of modern power management systems. Its wide supply voltage range, efficient switching frequency, and compatibility with multiple converter topologies make it a standout choice for a variety of applications. Whether used in consumer electronics, automotive systems, or industrial equipment, the UCC3805DTR/81222 delivers reliable performance and precise control, ensuring efficient power conversion and regulation.

UCC3805DTR/81222 Documents

Download datasheets and manufacturer documentation for UCC3805DTR/81222

Datasheets :

Datasheet