UC3825BN - Texas Instruments

Manufacturer Part Number

UC3825BN

Manufacturer

Texas Instruments

Introduction

UC3825BN is a high-performance PWM controller suitable for various power supply topologies such as boost, buck, flyback, and forward converters.

Product Features and Performance

Supports multiple topologies: Boost, Buck, Flyback, Forward

Operating frequency at 1MHz

Non-isolated output design

No internal switches

Voltage start-up at 16V

Supply voltage range from 10V to 22V

50% duty cycle

Control features include frequency control and soft start

High operating temperature range from -55°C to 150°C

Product Advantages

Adjustable frequency up to 1MHz allows for flexible control

Suitable for a wide range of power management applications with various topologies supported

High-temperature operation capability ensuring reliability in extreme conditions

Key Technical Parameters

Frequency: 1MHz

Duty Cycle: 50%

Operating Temperature: -55°C to 150°C

Start Up Voltage: 16V

Supply Voltage: 10V to 22V

Quality and Safety Features

Current limiting for fault protection enhancing component and system safety

Compatibility

Compatible with through-hole mounting for easy integration into existing designs

Application Areas

Suitable for power management in industrial equipment, telecommunications, and consumer electronics

Product Lifecycle

Status: Active

Not nearing discontinuation and replacements or upgrades are available

Several Key Reasons to Choose This Product

High-frequency operation for efficient power conversion

Diverse range of power supply topologies supported

Ability to operate in extreme temperatures ensures performance reliability

Integrated safety features such as current limiting for protecting the device and connected components

Through-hole package compatible with multiple PCB designs for flexibility in manufacturing and servicing