UC2843AD8 - Texas Instruments

Manufacturer Part Number

UC2843AD8

Manufacturer

Texas Instruments

Introduction

High-performance, fixed-frequency PWM controller for DC-DC power conversion

Product Features and Performance

Operates over a wide input voltage range of 7.6V to 30V

Provides up to 500kHz switching frequency

Supports boost, buck, flyback, and forward converter topologies

Capable of step-up, step-down, and step-up/step-down functionality

Includes frequency control feature

Single-output configuration

Positive output with isolation capability

No synchronous rectifier support

Product Advantages

Wide input voltage range

High switching frequency for compact design

Versatile topology support

Flexible step-up, step-down, and step-up/step-down operation

Frequency control for optimization

Key Technical Parameters

Input voltage range: 7.6V to 30V

Switching frequency: Up to 500kHz

Maximum duty cycle: 96%

Output configuration: Positive, isolation capable

Number of outputs: 1

Quality and Safety Features

RoHS3 compliant

Operating temperature range: -40°C to 85°C

Compatibility

Compatible with a variety of DC-DC power conversion applications

Application Areas

Suitable for a wide range of DC-DC power conversion applications, including industrial, automotive, and consumer electronics

Product Lifecycle

This product is currently available and not nearing discontinuation.

Replacement or upgrade options may be available from Texas Instruments.

Several Key Reasons to Choose This Product

Wide input voltage range for design flexibility

High switching frequency for compact power supply designs

Support for various power conversion topologies

Frequency control feature for optimization

Single-output configuration simplifies design

Positive output with isolation capability for safety