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UC3854B, UC3854A - Enhanced High Power Factor Preregulator

UC3854B Description

Enhanced High Power Factor Preregulator UC1854A/B UC2854A/B UC3854A/B .
The UC1854A/B products are pin compatible enhanced versions of the UC1854.

UC3854B Features

* Controls Boost PWM to Near Unity Power Factor
* Limits Line Current Distortion To

UC3854B Applications

* reference data refer to Unitrode application notes U-134 and DN-44. MULTIPLY / SQUARE AND DIVIDE The UC1854A/B Multiplier design maintains the same gain constant (K =
* 1), as the UC1854. The relationship between the inputs and output current is given as: IMO = IAC(VAO - 1.5V) / K
* VRM

📥 Download Datasheet

This datasheet PDF includes multiple part numbers: UC3854B, UC3854A. Please refer to the document for exact specifications by model.
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Datasheet Details

Part number
UC3854B, UC3854A
Manufacturer
UNITRODE
File Size
185.76 KB
Datasheet
UC3854A-UNITRODE.pdf
Description
Enhanced High Power Factor Preregulator
Note
This datasheet PDF includes multiple part numbers: UC3854B, UC3854A.
Please refer to the document for exact specifications by model.

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📌 All Tags

Enhanced High Power Factor Preregulator UNITRODE
UNITRODE UC3854B-like datasheet