UC3855B, UC3855A High Performance Power Factor Preregulator

UNITRODE

Description

High Performance Power Factor Preregulator application INFO available UC2855A/B UC3855A/B .
The UC3855A/B provides all the control features necessary for high power, high frequency PFC boost converters.

📥 Download Datasheet

UC3855B Datasheet Preview — This datasheet PDF includes multiple part numbers: UC3855B, UC3855A. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: UC3855B, UC3855A
Manufacturer: UNITRODE
File Size: 1.28 MB
Datasheet: UC3855A-UNITRODE.pdf
Description: High Performance Power Factor Preregulator
Note: This datasheet PDF includes multiple part numbers: UC3855B, UC3855A.
Please refer to the document for exact specifications by model.

Features

* 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 Curren

UC3855B Distributors

📁 Related Datasheet

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📌 All Tags

UC3855A High Performance Power Factor Preregulator UNITRODE

UNITRODE UC3855B-like datasheet