UC3855ADW - Texas Instruments

Manufacturer Part Number

UC3855ADW

Manufacturer

Texas Instruments

Introduction

The UC3855ADW is a specialized Power Management IC designed for Power Factor Correction (PFC) applications, housed in a 20-SOIC package for surface mount applications.

Product Features and Performance

Average Current Mode for improved performance in power factor correction.

High switching frequency up to 500kHz allowing for smaller passive components.

Integrated startup current of 150 µA, minimizing initial power consumption.

Supports supply voltages ranging from 15.5V to 20V.

Designed for operating temperatures from 0°C to 70°C, catering to a wide range of environmental conditions.

Product Advantages

High frequency operation reduces size and cost of passive components.

Average Current Mode control ensures superior power factor correction.

Directly tailored for PFC applications, enhancing system efficiency.

Texas Instruments' reliability and support.

Key Technical Parameters

Mode: Average Current

Frequency Switching: 500kHz

Current Startup: 150 µA

Voltage Supply: 15.5V ~ 20V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 20-SOIC

Quality and Safety Features

Engineered and manufactured by Texas Instruments, a leader in semiconductor solutions, ensuring high quality and reliability.

Operates within a safe temperature range for a variety of applications.

Compatibility

The 20-SOIC package is widely used, ensuring compatibility with a broad array of PCB designs.

Application Areas

Power supply units requiring power factor correction.

High-efficiency power converters.

Industrial electrical equipment with power factor considerations.

Product Lifecycle

Product Status: Last Time Buy, indicating it is nearing the end of its production lifecycle.

Information on replacements or upgrades should be sought directly from Texas Instruments for future projects.

Several Key Reasons to Choose This Product

High switching frequency allows for compact and efficient design.

Average Current Mode control provides optimal power factor correction.

Backed by Texas Instruments' reputation for quality and reliability.

Suitable for a wide range of applications requiring PFC.

Last Time Buy status may offer the opportunity for purchase at favorable terms before discontinuation.