UC2842DR - Texas Instruments

Manufacturer Part Number

UC2842DR

Manufacturer

Texas Instruments

Introduction

The UC2842DR is a power management integrated circuit (PMIC) designed specifically as a DC/DC switching controller, suitable for a range of topologies and capable of driving transistor outputs for versatile power conversion applications.

Product Features and Performance

Supports multiple topologies: Boost, Buck, Buck-Boost, Flyback, Forward

Output capable of isolation

Provides a single output phase

Accommodates supply voltages from 12V to 28V

High switching frequency up to 500kHz

Very high maximum duty cycle of 97%

Features frequency control for precise management

Product Advantages

Versatile with support for multiple topologies

High duty cycle allows for efficient operation

Supports a broad range of input voltages

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 12V ~ 28V

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 97%

Number of Outputs: 1

Output Configuration: Positive, Isolation Capable

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Operates reliably over a wide temperature range from -40°C to 85°C

Built robustly in a 14-SOIC package to ensure durability and reliability

Compatibility

Optimized for varying input voltages and a broad range of power conversion applications with its various topology support

Application Areas

Power supply units

Renewable energy systems

Telecommunication equipment

Automotive electronics

Industrial controls

Product Lifecycle

Currently in active production with no signs of upcoming discontinuation

Future replacements or upgrades should be expected to enhance performance and efficiency

Several Key Reasons to Choose This Product

High switching frequency allows for faster response and reduced size of passive components

Ability to work under a broad range of temperatures ensures versatility in application environments

The high maximum duty cycle of 97% promotes efficient energy usage

Supports advanced control features such as frequency control for improved power management reliability and precision

Multiple topology support enhances the flexibility of design for various system needs