Texas Instruments

UCC28782BDLRTWR  

AC DC Converters, Offline Switches

UCC28782BDLRTWR Description

The UCC28782BDLRTWR is a highly integrated, surface-mount AC-DC converter and offline switch designed by Texas Instruments. This device is engineered to provide efficient power conversion with a robust set of features that ensure reliable performance in various applications. The UCC28782BDLRTWR supports both boost and flyback topologies, making it versatile for different power supply designs. It features an internal switch, which simplifies the design process and reduces the component count, leading to a more compact and cost-effective solution.

UCC28782BDLRTWR Features

• Topology Support: The UCC28782BDLRTWR supports both boost and flyback topologies, offering flexibility for a wide range of power supply designs.
• Internal Switch: Equipped with an internal switch, this device minimizes the need for external components, simplifying the design and reducing the overall footprint.
• Control Features: The UCC28782BDLRTWR includes soft start functionality, which helps to reduce inrush currents and ensures a smooth startup process.
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting, over-temperature, over-voltage, and short-circuit protection, enhance the reliability and safety of the device.
• Switching Frequency: A high switching frequency of 420kHz allows for the use of smaller inductors and capacitors, contributing to a more compact design.
• Voltage Range: The device operates within a wide supply voltage range of 14V to 34V, ensuring compatibility with various input power sources.
• Isolation: The UCC28782BDLRTWR provides output isolation, which is crucial for applications requiring galvanic separation between the input and output.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for a wide range of environmental conditions without the need for special handling.
• Package: The UCC28782BDLRTWR is available in a tape and reel (TR) package, facilitating automated assembly processes.

UCC28782BDLRTWR Applications

The UCC28782BDLRTWR is ideal for a variety of applications where high efficiency, reliability, and compact design are paramount. Its versatility makes it suitable for:

• Consumer Electronics: Power supplies for devices such as smartphones, tablets, and laptops.
• Industrial Applications: Power supplies for industrial equipment, where reliability and fault protection are critical.
• Telecommunications: Power supplies for networking equipment, ensuring stable and safe operation.
• Medical Devices: Power supplies for medical equipment, where isolation and safety features are essential.
• Automotive: Power supplies for automotive electronics, benefiting from the device's robustness and fault protection mechanisms.

Conclusion of UCC28782BDLRTWR

The UCC28782BDLRTWR from Texas Instruments stands out as a highly integrated and versatile AC-DC converter and offline switch. Its support for multiple topologies, internal switch, and comprehensive fault protection mechanisms make it a reliable choice for a wide range of applications. The high switching frequency and wide voltage range further enhance its performance and flexibility. With its compact design and robust features, the UCC28782BDLRTWR is an excellent solution for designers looking to create efficient and reliable power supply solutions.

UCC28782BDLRTWR Documents

Download datasheets and manufacturer documentation for UCC28782BDLRTWR

PCN :

Product Change Notification 2024-07-25 (PDF)      

Application Notes :

Transformer structures that achieve low EMI with low- and high-side rectifiers       UCC28782 System Bring Up Guideline and Common Issues       UCC28782 Practical Design Guidelines