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UC3854 - High-Power Factor Preregulator

Product Overview

Texas Instruments

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UC3854 High-Power Factor Preregulator by Texas Instruments - Datasheet Preview — Datasheet preview – UC3854

Datasheet Details

Part number	UC3854
Manufacturer	Texas Instruments
File Size	1.21 MB
Description	High-Power Factor Preregulator
Datasheet	UC3854 Datasheet
Additional preview pages of the UC3854 datasheet.

Product details

Description

The UC1854 provides active-power factor correction for power systems that otherwise would draw nonsinusoidal current from sinusoidal power lines.

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.

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Published: Apr 21, 2020 |