UCC2580N-2

AC DC Converters, Offline Switchers Overview

The UCC2580N-2 is a single-ended active clamp/reset PWM controller manufactured by Texas Instruments. It operates at a switching frequency of 430 kHz with a maximum duty cycle of 69%. The device supports output currents of 100 mA and 1 A, depending on the specific configuration or variant referenced in documentation. It functions within a minimum operating temperature range of -40°C. The component is housed in a 16-pin PDIP package with a width of 0.300 inches (7.62 mm). This integrated circuit is designed for offline power supply applications requiring active clamp topology.

AC DC Converters, Offline Switchers Feature Summary

• Implements single-ended active clamp and reset PWM control strategies
• Housed in a standard 16-pin PDIP package for through-hole mounting
• Designed for offline AC-DC conversion topologies

AC DC Converters, Offline Switchers Applications

• Offline AC-DC converters
• Power supplies utilizing active clamp topology
• Flyback or forward converter designs

AC DC Converters, Offline Switchers Procurement Notes

Verify component status carefully as the UCC2580N-2 is listed as obsolete and no longer manufactured by Texas Instruments. Confirm availability through authorized distributors for remaining stock or consider approved substitute part numbers such as the UCC2897APW for new designs. Ensure that any sourced units match the original pinout and electrical specifications to maintain system compatibility.

AC DC Converters, Offline Switchers Selection Notes

Select this component only for legacy systems requiring exact replacement of the UCC2580N-2. Evaluate the 430 kHz switching frequency and 69% max duty cycle against current design requirements. Consider the transition from PDIP to surface mount packages if redesigning, noting that newer alternatives may offer different packaging options while maintaining similar control functionalities.

AC DC Converters, Offline Switchers Part Context

The UCC2580 series belongs to Texas Instruments' portfolio of power management ICs focused on switching controllers. Specifically, the UCC2580N-2 variant addresses single-ended active clamp applications. It is categorized under PMIC - Power Management ICs and is distinct from other variants like the UCC2580D-1 which utilizes SOIC-Narrow-16 packaging.

AC DC Converters, Offline Switchers Replacement Considerations

The UCC2897APW is identified as a similar available substitute for the obsolete UCC2580N-2. Verify functional equivalence and pin compatibility before implementation.