Datasheet4U Logo Datasheet4U.com

UC3854 High-Power Factor Preregulator

UC3854 Description

Product Folder Order Now Technical Documents Tools & Software Support & Community UC1854, UC2854, UC3854 SLUS336A * JUNE 1998 * R.
The UC1854 provides active-power factor correction for power systems that otherwise would draw nonsinusoidal current from sinusoidal power lines.

UC3854 Features

* 1 Control Boost PWM to 0.99 Power Factor
* Limit Line-Current Distortion to < 5%
* World-Wide Operation Without Switches
* Feedforward Line Regulation
* Average Current-Mode Control
* Low Noise Sensitivity
* Low Startup Supply Current

UC3854 Applications

* Offline AC-to-DC Converters
* Medical, Industrial, Telecom, and IT Power Supplies
* Uninterruptible Power Supplies (UPS)

📥 Download Datasheet

Preview of UC3854 PDF
datasheet Preview Page 2 datasheet Preview Page 3

📁 Related Datasheet

  • UC3854A - Enhanced High Power Factor Preregulator (UNITRODE)
  • UC3854B - Enhanced High Power Factor Preregulator (UNITRODE)
  • UC3851 - PWM Controller (UNITRODE)
  • UC3852 - High Power-Factor Preregulator (UNITRODE)
  • UC3853 - High Power Factor Preregulator (Unitrode)
  • UC3855A - High Performance Power Factor Preregulator (UNITRODE)
  • UC3855B - High Performance Power Factor Preregulator (UNITRODE)
  • UC3856 - Improved Current Mode PWM Controller (UNITRODE)

📌 All Tags

High-Power Factor Preregulator Texas Instruments
Texas Instruments UC3854-like datasheet