UCC2813D-2

AC DC Converters, Offline Switchers Overview

The UCC2813D-2 is a low-power economy BiCMOS current mode PWM controller designed for offline switch-mode power supplies. It supports Boost, Flyback, and Forward topologies with a switching frequency of 1 MHz. The device features a maximum duty cycle of 100%, an output voltage of 12.5 V, and an output current capability of 1 A. Operating temperatures range from -40°C to +85°C. It is housed in an 8-pin SOIC package.

AC DC Converters, Offline Switchers Feature Summary

• Implements current mode control architecture for efficient power regulation
• Supports multiple converter topologies including Boost, Flyback, and Forward
• Features integrated oscillator for fixed-frequency operation

AC DC Converters, Offline Switchers Applications

• Offline flyback converters
• Forward converter designs
• Boost converter applications

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'D-2' against the manufacturer's official datasheet to confirm pinout and functional specifications. Ensure the component meets RoHS compliance requirements for your target market. Check for end-of-life notices or production discontinuation status before finalizing procurement plans.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-sensitive applications requiring single-output control. Compare rise and fall times against load requirements. Verify that the 1 MHz switching frequency aligns with electromagnetic interference constraints and transformer design parameters.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UCC2813 series of low-power controllers. Variants within the series differ primarily by maximum duty cycle limits and package types. The D-2 designation indicates a specific configuration within the Texas Instruments portfolio.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the manufacturer's replacement guide for direct substitutes. Verify compatibility of control logic and pin assignments before considering alternative parts.