UCC28780D

AC DC Converters, Offline Switchers Overview

The UCC28780D is an adaptive zero voltage switching active-clamp flyback controller manufactured by Texas Instruments. It operates within a supply voltage range of 12 V to 34 V, with a nominal input of 15 V and a startup threshold of 17.5 V. The device supports switching frequencies up to 1 MHz and functions in flyback topologies. It is housed in a 16-pin SOIC package (SOIC-Narrow-16) and is rated for operation across a temperature range of -40 °C to +125 °C.

AC DC Converters, Offline Switchers Feature Summary

• Implements adaptive zero voltage switching for active-clamp flyback converters to enhance efficiency.
• Supports high-frequency operation up to 1 MHz to reduce passive component size.
• Integrates comprehensive fault protection mechanisms including overcurrent, overtemperature, overvoltage, and short-circuit safeguards.

AC DC Converters, Offline Switchers Applications

• AC/DC adapters
• USB Power Delivery chargers
• Personal electronics power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'D' corresponds to the SOIC-Narrow-16 package variant when sourcing. Confirm RoHS compliance status and lead times directly with authorized distributors or Texas Instruments. Ensure the ordering part number matches the required tape-and-reel or tube packaging configuration for your assembly process.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high-efficiency active-clamp flyback solutions. It is suitable for applications needing compact form factors due to high-frequency capability. Ensure the design accommodates the 12 V to 34 V operating voltage range and utilizes the appropriate thermal management for the SOIC package.

AC DC Converters, Offline Switchers Part Context

The UCC28780D belongs to the UCC28780 family of active-clamp flyback controllers from Texas Instruments. This series is designed to optimize performance in offline power conversion applications. The 'D' suffix specifically denotes the SOIC-Narrow-16 package option within this product line.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs before considering alternative components.