UC3843AD1 - STMicroelectronics

Manufacturer Part Number

UC3843AD1

Manufacturer

stmicroelectronics

Introduction

The UC3843AD1 is a high-performance step-up, step-up/step-down DC-DC switching controller IC. It is designed for use in a variety of power supply applications, including boost, flyback, and SEPIC topologies. The device provides a wide range of features and performance capabilities to meet the demands of modern power supply designs.

Product Features and Performance

Operates from a wide input voltage range of 10V to 30V

Supports switching frequencies up to 500kHz

Provides a maximum duty cycle of 96%

Does not require a synchronous rectifier

Lacks clock synchronization capabilities

Offers frequency control as a control feature

Product Advantages

Versatile design suitable for various power supply topologies

Wide input voltage range accommodates a diverse range of applications

High switching frequency enables compact and efficient power supply designs

Maximized duty cycle ensures optimal power conversion performance

Key Reasons to Choose This Product

Robust and reliable performance for critical power supply applications

Comprehensive feature set to meet the requirements of modern power electronics

Proven technology from a reputable manufacturer, stmicroelectronics

Suitable for a wide range of applications, offering design flexibility

Quality and Safety Features

Designed and manufactured to stringent quality standards

Operational temperature range of 0°C to 70°C (TA) ensures reliable performance in diverse environments

Compatibility

The UC3843AD1 is a single-output device and is compatible with various power supply topologies, including boost, flyback, and SEPIC.

Application Areas

Suitable for a wide range of power supply applications, including industrial, automotive, and consumer electronics.

Product Lifecycle

The UC3843AD1 is an obsolete product, meaning it is no longer in active production or available for new design-ins. However, there are several equivalent or alternative models available from stmicroelectronics that may be suitable replacements. Customers are advised to contact our website's sales team for more information on available options and guidance on product selection.