UC3854 - ENHANCED HIGH POWER FACTOR PREREGULATOR

Product Overview

Unisonic Technologies

Part number	UC3854
Manufacturer	Unisonic Technologies
File Size	253.10 KB
Description	ENHANCED HIGH POWER FACTOR PREREGULATOR
Datasheet	UC3854 Datasheet
Additional preview pages of the UC3854 datasheet.

The UTC UC3854 provide all the functions necessary for active power factor corrected preregulators.

The controller achieves near unity power factor by shaping the AC input line current waveform to correspond to that of AC input line voltage.

Controls Boost Preregulator to Near Unity Power Factor.
Limits Line Distortion.
World-Wide Line Operation.
Accurate Power Limiting.
Fixed Frequency Average Current Mode Control.
High Bandwidth (5MHz), Low Offset Current Amplifier.
Integrated Current and Voltage Amp Output Clamps.
Multiplier Improvements: Linearity, 500mV VAC Offset (eliminates external resistor), 0-5V Multout Common Mode Range.
VREF "GOOD" Comparator.
Faster and Improved Accurac.

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Published: Jan 31, 2016 |