UC3886D - Texas Instruments

Manufacturer Part Number

UC3886D

Manufacturer

Texas Instruments

Introduction

The UC3886D is a high-performance, fixed-frequency, current-mode, step-down DC-DC switching controller designed for use in power supply applications. It offers a wide input voltage range, a precise and stable voltage output, and high efficiency.

Product Features and Performance

Wide input voltage range of 10.3V to 20V

Operates at a fixed switching frequency of 100kHz

Supports up to 90% duty cycle

Provides a single positive output

Utilizes a current-mode control topology

Includes an enable function and frequency control

Product Advantages

Excellent line and load regulation for stable output voltage

High efficiency power conversion

Robust overcurrent and thermal protection

Small, surface-mount package for compact design

Key Reasons to Choose

Reliable and proven performance in a wide range of power supply applications

Optimized for high-efficiency, high-power density designs

Easy to implement with minimal external components

Comprehensive protection features ensure safe operation

Quality and Safety Features

Designed and manufactured to Texas Instruments' high-quality standards

Includes overcurrent, overvoltage, and thermal shutdown protection

Compatibility

The UC3886D is a single-output, step-down DC-DC controller that can be used in a variety of power supply designs, including industrial, medical, and consumer electronics applications.

Application Areas

Distributed power supplies

Point-of-load regulators

DC-DC converters

Power supplies for industrial, medical, and consumer electronics

Product Lifecycle

The UC3886D is an obsolete product, meaning it is no longer in active production. However, there are several equivalent or alternative models available from Texas Instruments that may be suitable replacements. Customers are advised to contact our website's sales team for more information on available options and product recommendations.