UC2854DWTR

$3.52

Description：IC PFC CTR AVERAGE 200KHZ 16SOIC
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:19fd107d1e5a Category: PFC (Power Factor Correction) Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC PFC CTR AVERAGE 200KHZ 16SOIC
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Mode：Average Current
Frequency - Switching：200kHz
Voltage - Supply：14.5V ~ 30V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.295", 7.50mm Width)
Supplier Device Package：16-SOIC
Current - Startup：1.5 mA
Grade：-
Qualification：-

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UC2854DWTR

Overview

The UC2854DWTR is an enhanced high-power factor preregulator integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 10V to 20V and supports switching frequencies between 80kHz and 120kHz. The device functions in average current mode control with a maximum duty cycle of 50%. It is housed in a 16-SOIC package and is rated for operation across a temperature range of -40°C to +85°C.

Feature Summary

Provides advanced power factor correction through average current mode control architecture
Integrates zero-power detection capability for efficient light-load performance
Features internal compensation and soft-start mechanisms for stable operation

Applications

Power factor pre-regulators for AC-DC converters
High-performance power supplies requiring sinusoidal input current
Industrial equipment power management systems

Procurement Notes

Verify the specific suffix 'DWTR' corresponds to the tape-and-reel packaging variant rather than tube or cut-tape formats. Confirm that the component meets RoHS3 compliance standards as indicated by manufacturer specifications. Ensure compatibility with moisture sensitivity level 2 requirements during storage and handling procedures.

Selection Notes

Select this component when designing systems requiring precise average current mode control for improved power factor. Consider the 16-SOIC package constraints for PCB layout and thermal dissipation. Evaluate the 80kHz to 120kHz frequency range against electromagnetic interference requirements and transformer sizing needs.

Part Context

This part belongs to the UC2854 family of enhanced high-power factor preregulators from Texas Instruments. It serves as a specialized power management IC designed to improve efficiency in AC-DC conversion stages. The device complements other UC-series controllers by offering dedicated PFC functionality with integrated protection features.