UC2854DWTRG4

Overview

The UC2854DWTRG4 is a high-power factor preregulator integrated circuit manufactured by Texas Instruments. It operates in an SOIC-16 surface-mount package and supports switching frequencies up to 200 kHz. The device functions within a supply voltage range of 10 V to 20 V, with a typical operating current of 250 µA. It is designed for industrial applications, maintaining performance across a temperature range from -40 °C to +85 °C.

Feature Summary

• Implements average current mode control for power factor correction
• Integrates zero-power detection capabilities
• Supports boost topology configurations

Applications

• Power factor correction preregulators
• High-power factor AC-DC converters

Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's official documentation to confirm compliance details and exact ordering specifications. Ensure that the selected component matches the required thermal and electrical ratings for the intended application environment before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring average current mode PFC control. Consider the 200 kHz switching frequency limit and the 16-pin SOIC package constraints. Evaluate the -40 °C to +85 °C operating range against environmental requirements.

Part Context

This part belongs to the UCx854 family of high-power factor preregulators from Texas Instruments. These devices are engineered to improve efficiency in AC-DC power conversion stages by correcting the phase difference between voltage and current.

Replacement Considerations

Public confirmed substitute: UC2854ADWTRG4.