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UC2854

Part Number	UC2854
Manufacturer	Texas Instruments
Description	High-Power Factor Preregulator
Published	Apr 21, 2020
Detailed Description	Product Folder Order Now Technical Documents Tools & Software Support & Community UC1854, UC2854, UC3854 SLUS336A –...
Datasheet	UC2854 PDF File

Overview

... JUNE 1998 – REVISED DECEMBER 2016 UCx854 High-Power Factor Preregulator 1 Features •1 Control Boost PWM to 0.
99 Power Factor • Limit Line-Current Distortion to < 5% • World-Wide Operation Without Switches • Feedforward Line Regulation • Average Current-Mode Control • Low Noise Sensitivity • Low Startup Supply Current • Fixed-Frequency PWM Drive • Low-Offset Analog Multiplier and Divider • 1-A Totem-Pole Gate Driver • Precision Voltage Reference 2 Applications • Offline AC-to-DC Converters • Medical, Industrial, Telecom, and IT Power Supplies • Uninterruptible Power Supplies (UPS) • Appliances and White Goods 3 Description The UC1854 provides active-power factor correction for power systems...

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