UC2855A - High Performance Power Factor Preregulator

Name: UC2855A
SKU: UC2855A-1429376

UNITRODE

The UC2855A by UNITRODE is a High Performance Power Factor Preregulator. Below is the official datasheet preview.

Datasheet Details

Part number	UC2855A
Manufacturer	UNITRODE
File Size	1.28 MB
Description	High Performance Power Factor Preregulator
Datasheet	UC2855A-UNITRODE.pdf
Additional preview pages of the UC2855A datasheet.

The UC3855A/B provides all the control

Controls Boost PWM to Near Unity Power Factor.
Fixed Frequency Average Current Mode Control Minimizes Line Current Distortion.
Built-in Active Snubber (ZVT) allows Operation to 500kHz, improved EMI and Efficiency.
Inductor Current Synthesizer allows Single Current Transformer Current Sense for Improved Efficiency and Noise Margin.
Accurate Analog Multiplier with Line Compensator allows for Universal Input Voltage Operation.
High Bandwidth (5.

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Published: Apr 21, 2020 |