UC3843ADX - onsemi

Manufacturer Part Number

UC3843ADX

Manufacturer

onsemi

Introduction

The UC3843ADX is a high-performance, current-mode control integrated circuit designed for off-line and DC-DC converter applications. It provides a simple, low-cost solution for controlling boost, flyback, and forward converters operating in continuous conduction mode.

Product Features and Performance

Current mode control for improved line and load regulation

Up to 500kHz switching frequency for compact, high-frequency designs

96% maximum duty cycle allows high step-up and step-down ratios

Frequency control for adjustable switching frequency

Product Advantages

Reliable and efficient power conversion

Compact design with high-frequency operation

Flexible topology options for various applications

Key Reasons to Choose This Product

Proven performance and reliability from a trusted manufacturer

Versatile design suitable for a wide range of power conversion needs

Cost-effective solution for high-performance power management

Quality and Safety Features

Operated within the specified temperature range of 0°C to 70°C

Surface mount package for secure and reliable assembly

Compatibility

Suitable for boost, flyback, and forward converter topologies

Application Areas

Off-line power supplies

DC-DC converters

Industrial and consumer electronics

Product Lifecycle

The UC3843ADX is an obsolete product, meaning it is no longer in active production. However, there may be alternative or equivalent models available from other manufacturers. Customers are advised to contact our website's sales team for more information on suitable replacement options.