UCC3809N-1 - Unitrode

Manufacturer Part Number

UCC3809N-1

Manufacturer

Texas Instruments

Introduction

The UCC3809N-1 is a power management integrated circuit (PMIC) designed for AC DC conversion with offline switching capability.

Product Features and Performance

Supports multiple topologies: Boost, Buck, Flyback, Forward

Starts at a low voltage of 15V

Operates over a wide input voltage range of 8V to 19V

Features a high duty cycle up to 70%

High-frequency switching up to 1MHz

Includes Frequency Control and Soft Start for smoother operation

Product Advantages

Flexibility in supporting various converter topologies

High efficiency due to high duty cycle and high-frequency operation

Soft Start and Frequency Control reduce inrush current and improve system stability

Key Technical Parameters

Voltage Start Up: 15V

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

Duty Cycle: 70%

Frequency Switching: 1MHz

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

Package: 8-DIP (0.300", 7.62mm)

Quality and Safety Features

The UCC3809N-1 is designed to ensure high-quality and safe operations across a wide range of temperatures.

Compatibility

This component is compatible with through-hole mounting techniques, allowing for use in various board layouts.

Application Areas

Power supply units

AC/DC converters

Offline switching applications

Product Lifecycle

Status: Obsolete

Note: Users should consider alternatives due to its obsolete status. Availability of replacements or upgrades may vary.

Several Key Reasons to Choose This Product

Versatility in supporting multiple power conversion topologies

High efficiency and performance across a wide voltage and temperature range

Enhanced system stability and reduced start-up time due to Soft Start and Frequency Control features

Suitable for high-temperature operations

Texas Instruments' reputation for reliability and quality in power management solutions