UC3825ADW - Texas Instruments

Manufacturer Part Number

UC3825ADW

Manufacturer

Texas Instruments

Introduction

The UC3825ADW is a high-speed pulse-width modulation (PWM) controller designed for a wide range of power regulation applications.

Product Features and Performance

High performance PWM controller

Accommodates step-up and step-down configurations

Supports boost, flyback, forward converter, full-bridge, half-bridge, and push-pull topologies

Dual output drivers for control of two external switches

Integrated features for frequency control, current limiting, and soft start

Capable of high frequency operation up to 1MHz

Supports a wide range of supply voltages from 8.4V to 22V

Product Advantages

Flexible design suitable for various power topologies

Precision control of output voltage and current

Power-efficient operation through optimized switching frequencies

Robust design with built-in protection features

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up, Step-Up/Step-Down

Output Configuration: Positive

Number of Outputs: 2

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 8.4V to 22V

Frequency - Switching: 400kHz to 1MHz

Duty Cycle (Max): 50%

Operating Temperature Range: 0°C to 70°C

Quality and Safety Features

Current Limiting

Built-in frequency control for stable operation

Ramp and soft start capabilities for controlled startup

Thermal and overcurrent protection

Compatibility

Compatible with a wide range of MOSFETs and power transistors

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Application Areas

Power supplies

Battery chargers

DC-DC converters

LED drivers

Telecommunication equipment

Industrial control systems

Product Lifecycle

Active product status

Not indicated as near discontinuation

Replacements or upgrades should be available through Texas Instruments' product range

Several Key Reasons to Choose This Product

Versatile functionality supports multiple power conversion strategies

High switching frequency capable for efficient operation

Comprehensive protection features ensure reliability

Texas Instruments' proven quality and support for power management products

Ideal for designing compact and high-performance power systems