UC3879DW - Texas Instruments

Manufacturer Part Number

UC3879DW

Manufacturer

Texas Instruments

Introduction

The UC3879DW is a flexible Power Management Integrated Circuit (PMIC) designed for DC-DC switching controllers with advanced features for versatile power designs.

Product Features and Performance

Integrated transistor driver for efficient power conversion

Step-Up/Step-Down function for a wide range of input and output voltages

Positive output configuration suitable for various circuit designs

Half-Bridge topology provides a good balance between performance and efficiency

Four Outputs to support multiple channels

Single Output Phase simplifies design complexity

Operates with Voltage Supply ranging from 9V to 20V

Capable of Switching Frequencies up to 300kHz

Maximum Duty Cycle of 50% allows for a wide adjustment of power levels

Supports Synchronous Rectification for improved efficiency

Clock Synchronization feature for better power system integration

Includes Control Features such as Frequency Control, Ramp, and Soft Start

Tested Operating Temperature range from 0°C to 70°C

Product Advantages

Versatility in handling various power supply designs

Efficient power conversion through advanced control features

Higher system efficiency with Synchronous Rectification

Suitable for diverse applications with a wide operating voltage range

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up/Step-Down

Voltage Supply (Vcc/Vdd): 9V ~ 20V

Frequency Switching: Up to 300kHz

Duty Cycle (Max): 50%

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Predictable performance within specified operating temperatures

Reliable Power Management from a reputable manufacturer

Compatibility

Compatible with various Step-Up/Step-Down power designs

Surface Mounting type enables integration into a wide range of circuit boards

Application Areas

Communication Equipment

Computing Systems

Industrial Power Supplies

Consumer Electronics

Product Lifecycle

Product Status: Last Time Buy

Potential nearing discontinuation with replacement or upgrade options available

Several Key Reasons to Choose This Product

Trusted manufacturer with proven expertise in power management solutions

High integration reduces complexity and component count

Tailored for high-efficiency power systems

Adaptable to a broad spectrum of applications

Backed by Texas Instruments' support and product longevity programs