UCC3809D-2 - Unitrode

Manufacturer Part Number

UCC3809D-2

Manufacturer

Texas Instruments

Introduction

A power management integrated circuit designed for various AC to DC conversion applications through topologies like Boost, Buck, Flyback, and Forward.

Product Features and Performance

Utilizes multiple converter topologies: Boost, Buck, Flyback, Forward

High switching frequency of 1MHz for efficient power conversion

Supports a voltage supply range of 8V to 19V

Allows up to 70% duty cycle

Features Frequency Control and Soft Start for enhanced performance

Operating temperature ranges from -55°C to 150°C

Product Advantages

High frequency operation enables smaller size of passive components

Wide voltage supply range provides flexibility in various applications

Soft Start minimizes inrush current, enhancing system reliability

Frequency control feature helps in optimizing the performance as per the application's requirement

Key Technical Parameters

Start-Up Voltage: 15 V

Supply Voltage (Vcc/Vdd): 8V ~ 19V

Maximum Duty Cycle: 70%

Switching Frequency: 1MHz

Operating Temperature: -55°C ~ 150°C

Quality and Safety Features

Operates effectively across a wide temperature range ensuring reliability in extreme conditions

Compatibility

Compatible with various AC DC converters and offline switches applications requiring isolated outputs

Application Areas

Power supplies for consumer electronics

Power solutions for industrial systems

Energy management

Power adaptations for telecommunications

Product Lifecycle

Currently active with no indication of nearing discontinuation

Ongoing support and availability of replacements or upgrades

Several Key Reasons to Choose This Product

High switching frequency allows the use of smaller components thus reducing overall size and cost of the power supply

Robust temperature range ensures reliability in varied environmental conditions

Versatile voltage range compliance makes it suitable for a broad spectrum of power applications

Features such as frequency control and soft start enhance overall system efficiency and reliability