UC3855AN - Texas Instruments

Manufacturer Part Number

UC3855AN

Manufacturer

Texas Instruments

Introduction

The Texas Instruments UC3855AN is a high-performance Power Factor Correction (PFC) controller that provides average current mode control. It is designed to simplify the design of active power factor corrected power supplies, providing a cost-effective solution for a wide range of applications.

Product Features and Performance

Average current mode control for accurate current regulation

500kHz switching frequency for compact magnetics design

150μA startup current for low power consumption

Operation from 15.5V to 20V supply voltage

Wide operating temperature range of 0°C to 70°C

Through-hole 20-DIP (0.300", 7.62mm) package

Product Advantages

Simplified power supply design with accurate current regulation

Compact solution with high-frequency switching and small magnetics

Low startup current for energy-efficient operation

Versatile compatibility across a range of power supply applications

Key Reasons to Choose This Product

Proven performance and reliability from a trusted manufacturer, Texas Instruments

Cost-effective solution for active power factor correction

Flexibility to adapt the design to various power supply requirements

Comprehensive technical support and resources available from Texas Instruments

Quality and Safety Features

Robust design and manufacturing process to ensure reliable operation

Thermal protection and overcurrent limiting for safe operation

Compatibility

The UC3855AN is compatible with a wide range of power supply applications, including:

Switched-mode power supplies

Uninterruptible power supplies (UPS)

Industrial and commercial equipment

Household appliances

Audio and video equipment

Application Areas

Active power factor correction

Boost converter control

Flyback converter control

Buck-boost converter control

Product Lifecycle

The UC3855AN is an obsolete product, meaning it is no longer in active production. However, there are equivalent and alternative models available from Texas Instruments that can serve similar functions. Customers are advised to contact our website's sales team for more information on suitable replacement options.