UCC2580D-2

AC DC Converters, Offline Switchers Overview

The UCC2580D-2 is a single-ended active clamp/reset PWM controller manufactured by Texas Instruments. It supports Boost, Flyback, and Forward topologies within a 16-pin SOIC-Narrow package. The device operates with a switching frequency of 430 kHz and delivers a maximum duty cycle of 69%. It provides two output channels capable of sourcing 1.2 A each. Electrical characteristics include a fall time of 20 ns and a rise time of 40 ns. The component functions reliably across an operating temperature range from -40°C to +85°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates single-ended active clamp/reset pulse width modulation control for efficient power conversion
• Provides dual high-current output drivers suitable for transformer excitation

AC DC Converters, Offline Switchers Applications

• Boost converter implementations
• Flyback power supply designs
• Forward topology circuits

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'D-2' against official Texas Instruments documentation to confirm pinout and electrical specifications. Ensure the selected package matches the required PCB footprint. Confirm RoHS compliance status through current datasheets before integration into production assemblies.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing isolated or non-isolated converters requiring active clamp reset functionality. Evaluate thermal performance within the specified -40°C to +85°C range. Compare drive strength requirements against the 1.2 A output capability to ensure adequate gate driving for external switches.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UCC2580 series of switching controllers designed for high-efficiency power management applications. It complements other variants in the family that may offer different packaging options or slight parameter variations while maintaining the core active clamp reset control architecture.

AC DC Converters, Offline Switchers FAQ

What switching topologies does the UCC2580D-2 support?

The UCC2580D-2 supports Boost, Flyback, and Forward topologies.

What is the maximum duty cycle for this controller?

The maximum duty cycle is 69%.