UC3855BDW - Texas Instruments

Manufacturer Part Number

UC3855BDW

Manufacturer

Texas Instruments

Introduction

The UC3855BDW is an integrated circuit (IC) designed for power factor correction (PFC) applications. It is a member of the UC3855 family of PFC controllers.

Product Features and Performance

Average current mode control for PFC

500kHz switching frequency

Wide input voltage range of 10.5V to 20V

150uA startup current

Operates in 0°C to 70°C temperature range

20-SOIC surface mount package

Product Advantages

Improved power factor and efficiency

Reduced line current harmonics

Compact and efficient design

Reliable performance in a wide range of operating conditions

Key Technical Parameters

Switching Frequency: 500kHz

Input Voltage Range: 10.5V to 20V

Startup Current: 150uA

Operating Temperature Range: 0°C to 70°C

Quality and Safety Features

RoHS3 compliant

Reliable performance in industrial and commercial applications

Compatibility

Suitable for a variety of PFC applications in power supplies, motor drives, and other power electronic systems.

Application Areas

Power supplies

Motor drives

Power conversion systems

Industrial and commercial equipment

Product Lifecycle

The UC3855BDW is an active product and is not nearing discontinuation.

Replacement and upgrade options are available from Texas Instruments.

Key Reasons to Choose This Product

Efficient average current mode control for improved power factor and reduced line current harmonics

Wide input voltage range and high switching frequency for flexible design

Reliable performance in a wide temperature range

Compact and efficient 20-SOIC surface mount package

RoHS3 compliance for use in a variety of applications

Extensive support and availability from Texas Instruments