UC3823BDW - Texas Instruments

Manufacturer Part Number

UC3823BDW

Manufacturer

Texas Instruments

Introduction

UC3823BDW is a high-speed Pulse-Width Modulation (PWM) controller for power management in AC/DC converters and offline switch applications.

Product Features and Performance

Wide input voltage range of 10V to 22V

Operating frequency up to 1 MHz

Versatile topology support including Boost, Buck, Flyback, and Forward converters

100% duty cycle capability

Non-isolated output

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

Product Advantages

Enables high-frequency power supply designs for improved efficiency

Supports a variety of power topologies for greater design flexibility

100% duty cycle allows for maximum power delivery

Robust operating temperature range suited for harsh environments

Key Technical Parameters

Voltage Start Up: 16V

Voltage Supply (Vcc/Vdd): 10V to 22V

Duty Cycle: 100%

Frequency Switching: 1MHz

Operating Temperature: -55°C to 150°C (TJ)

Fault Protection: Current Limiting

Control Features: Frequency Control, Soft Start

Quality and Safety Features

Built-in current limiting for fault protection

Operates reliably in a wide temperature range

Advanced circuit design for stable performance

Compatibility

Flexible enough for a multitude of power supply designs

Compatible with a variety of power semiconductor switches

Surface mount 16-SOIC package for modern PCB layouts

Application Areas

Power supplies for computer systems

DC/DC converters for telecom infrastructure

Power supplies for industrial equipment

Electronic ballasts for lighting applications

Product Lifecycle

Currently active product status

Not indicated as nearing discontinuation

Replacements or upgrades may be available, subject to Texas Instruments' product roadmap

Several Key Reasons to Choose This Product

High switch frequency supports smaller external components for compact power supply designs

Flexible voltage supply range simplifies integration into various systems

Robust thermal performance extends product reliability

Variety of control features provides comprehensive design customization

Manufactured by Texas Instruments, a trusted leader in power management ICs