UC3876N - Unitrode

Manufacturer Part Number

UC3876N

Manufacturer

Texas Instruments

Introduction

The UC3876N is a full-bridge PWM controller designed for offline power supplies and DC-DC converters. It provides a comprehensive set of control and protection features to enable high-performance, reliable power conversion in a wide range of applications.

Product Features and Performance

Full-bridge PWM control with 100% duty cycle capability

1MHz switching frequency for compact transformer/inductor design

Precision voltage regulation and current limiting for enhanced reliability

Soft-start and frequency control for smooth start-up and operation

Synchronization capability for multi-phase/parallel operation

Wide input voltage range of 9.5V to 20V

Operating temperature range of 0°C to 70°C

Product Advantages

Highly integrated control solution for efficient power conversion

Flexible design with various control and protection features

Optimized for compact, high-performance power supply designs

Reliable operation in demanding industrial and consumer applications

Key Reasons to Choose This Product

Proven performance and reliability from a trusted manufacturer

Comprehensive feature set for versatile power supply designs

Ease of use and scalability for different power requirements

Cost-effective solution for a wide range of power conversion needs

Quality and Safety Features

Robust overcurrent protection to ensure safe operation

Thermal shutdown for protection against overheating

Compliance with relevant safety and regulatory standards

Compatibility

The UC3876N is compatible with a variety of power supply and DC-DC converter designs that require a full-bridge PWM controller with advanced control and protection features.

Application Areas

Offline power supplies for industrial, consumer, and commercial applications

DC-DC converters in telecommunications, computing, and automotive systems

High-power switch-mode power supplies for industrial and medical equipment

Product Lifecycle

The UC3876N is currently in a last time buy (LTB) phase. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available to replace this product.