UCC3809D-1 - Texas Instruments

Manufacturer Part Number

UCC3809D-1

Manufacturer

Texas Instruments

Introduction

The UCC3809D-1 is a power management integrated circuit designed for AC/DC conversion and offline switching applications.

Product Features and Performance

Configurable for Boost, Buck, Flyback, and Forward topologies

Frequency Control and Soft Start functionality

Operates within a supply voltage range of 8V to 19V

High switching frequency of 1MHz allowing compact designs

Capable of operating with a 70% duty cycle

Supports isolated power supply designs

Designed for high-temperature operation from -55°C to 150°C

Product Advantages

Provides Flexibility in topology selection to suit various applications

High-frequency operation reduces size of passive components

Integrated features like soft start reduce inrush current issues

High-temperature range enhances reliability in harsh environments

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 8V to 19V

Duty Cycle: 70%

Switching Frequency: 1MHz

Operating Temperature Range: -55°C to 150°C

Mounting Type: Surface Mount

No internal switch reduces external component dependency

Quality and Safety Features

Operates reliably within a wide temperature range

Designed to meet stringent industrial quality standards

Compatibility

Compatible with a range of topologies for AC/DC conversion

Suitable for use with various external components due to high switching frequency

Application Areas

Power supplies for industrial and commercial equipment

Offline power converters

Isolated power supply units

Switched-mode power supplies (SMPS)

Product Lifecycle

Status: Active

Not currently nearing discontinuation

Replacements or upgrades may be available through Texas Instruments' portfolio

Several Key Reasons to Choose This Product

Versatility in AC/DC power conversion applications

Compact power solution due to high switching frequency

Integration features minimize external component needs

Robust operation in extreme temperatures

Continuous product support and longevity as an active component

Consistent performance for industrial-grade applications