UC3825ADWTRG4 - Texas Instruments

Manufacturer Part Number

UC3825ADWTRG4

Manufacturer

Texas Instruments

Introduction

The UC3825ADWTRG4 by Texas Instruments is designed for sophisticated power management particularly in DC DC switching controllers. Ideal for applications requiring high reliability and functionality in power conversion.

Product Features and Performance

Step-Up, Step-Up/Step-Down functionality

Supports Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull topologies

Features two outputs with a single output phase

Operating voltage range from 8.4V to 22V

Switching frequency between 400kHz to 1MHz

Maximum duty cycle of 50%

Incorporates features such as Current Limit, Frequency Control, Ramp, Soft Start for enhanced control

Product Advantages

Versatile topologies support complex power management setups

High frequency operation reduces the size of power components

Advanced control features aid in precise power regulation

Key Technical Parameters

Number of Outputs: 2

Output Phases: 1

Voltage Supply (Vcc/Vdd): 8.4V ~ 22V

Frequency Switching: 400kHz ~ 1MHz

Duty Cycle (Max): 50%

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Built-in current limiting prevents over-current conditions

Soft start feature minimizes inrush current, enhancing safety

Compatibility

Compatible with various converter topologies and capable of driving transistors directly.

Suitable for surface mounting with a 16-SOIC package

Application Areas

Used in power supplies for telecommunications, consumer electronics, and industrial systems.

Product Lifecycle

Discontinued at Digi-Key; check other suppliers for availability.

Assess available replacement models or seek upgrades if needed.

Several Key Reasons to Choose This Product

High integration provides control for multiple topologies with one IC.

Wide input voltage range allows use in various applications from low to medium power requirements.

Support for high switching frequency facilitates smaller size and greater efficiency in power supplies.

Current Limit and Soft Start features enhance the safety and durability of the application.