UC3854B, UC3854A Enhanced High Power Factor Preregulator

UNITRODE

Description

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

📥 Download Datasheet

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

Datasheet Specifications

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.

Features

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

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

UC3854B Distributors

📁 Related Datasheet

UC3854 UC385-1 UC385-2 UC385-3 UC385-ADJ UC3853

📌 All Tags

UC3854A Enhanced High Power Factor Preregulator UNITRODE

UNITRODE UC3854B-like datasheet