UC2825AN - Texas Instruments

Manufacturer Part Number

UC2825AN

Manufacturer

Texas Instruments

Introduction

High-performance PWM controller designed for DC-to-DC power conversion

Product Features and Performance

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

Positive output configuration

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

Two outputs with a single output phase

Voltage supply range from 8.4V to 22V

Switching frequency range from 400kHz to 1MHz

Maximum duty cycle of 50%

Through-hole mounting type

16-DIP package for easy integration

Product Advantages

Versatile topology support allows for a broad range of applications

Adjustable frequency control for optimized performance

Soft start feature to reduce inrush current

Current limit for protection against overcurrent conditions

Ability to work within a wide temperature range

Key Technical Parameters

Output Type: Transistor Driver

Number of Outputs: 2

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

Frequency - Switching: 400kHz ~ 1MHz

Duty Cycle (Max): 50%

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in current limit feature

Robust thermal performance

Operational across a wide range of temperatures for high-reliability applications

Compatibility

Compatible with a variety of inductors and capacitors for custom power supply designs

Through-hole package compatible with standard PCB layouts

Application Areas

Switching power supplies

Motor control circuits

Power adapters and converters

Renewable energy systems

Telecommunications equipment

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring availability for ongoing projects

Replacements or upgrades may include other models within the Texas Instruments PWM controller lineup

Several Key Reasons to Choose This Product

Flexible application range due to multiple topology support

High switching frequency enabling the use of smaller external components

Thermal and overcurrent protections enhance product reliability

Texas Instruments' reputation for quality and long-term availability

Readily available in a tube packaging format for easy handling and storage