UC3877N - Texas Instruments

Manufacturer Part Number

UC3877N

Manufacturer

Texas Instruments

Introduction

The UC3877N is a high-performance, high-efficiency power management integrated circuit (PMIC) designed for offline AC-DC power conversion applications. It offers a comprehensive set of features and functionalities to enable the development of reliable and efficient power supplies.

Product Features and Performance

High-speed current mode control architecture for improved transient response and stability

Fully integrated protection features including overcurrent, overvoltage, and thermal shutdown

Soft-start function for controlled in-rush current during power-up

Adjustable current limit and frequency operation

Wide input voltage range from 85V to 265V AC

High-efficiency operation with typical efficiency over 90%

Built-in oscillator with adjustable frequency range

Product Advantages

Reliable and robust operation in demanding AC-DC power conversion applications

Reduced component count and simplified design for cost-effective solutions

Improved system efficiency and thermal performance

Enhanced protection features for increased safety and reliability

Key Reasons to Choose This Product

Proven performance and reliability in a wide range of power supply designs

Comprehensive set of features and functionalities for efficient and versatile power management

Ease of design and integration for faster time-to-market

Long-term availability and support from a trusted semiconductor manufacturer

Quality and Safety Features

Robust design and extensive testing for high reliability

Compliance with relevant safety standards and regulations

Thermal shutdown and other protection features for safe operation

Compatibility

The UC3877N is compatible with a wide range of AC-DC power supply designs, including but not limited to:

Offline switching power supplies

Flyback and forward converter topologies

Industrial, home appliance, and consumer electronics applications

Application Areas

Offline AC-DC power supplies

Regulated power supplies

Industrial and commercial equipment

Home appliances and consumer electronics

Product Lifecycle

The UC3877N is an active and currently available product. There are no known plans for discontinuation at this time. Customers are advised to check with our website's sales team or authorized distributors for the latest product information and availability.