UCC2809P-1 - Unitrode

Manufacturer Part Number

UCC2809P-1

Manufacturer

Texas Instruments

Introduction

The UCC2809P-1 is a low-power, active Power Management IC designed for AC DC converters and offline switching.

Product Features and Performance

Enables Boost, Flyback, and Forward topologies

High-frequency switching at 1MHz

Offers frequency control and soft start features

No internal switch, allowing for external switch optimization

Capable of operating from a 8V to 19V supply voltage

Supports up to 70% duty cycle

Product Advantages

Precision frequency control for reduced electromagnetic interference

Soft start function minimizes inrush current

Wide operating temperature range suitable for various environments

High switching frequency enables smaller, lighter-weight designs

Key Technical Parameters

Voltage Start Up: 10V

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

Duty Cycle: 70%

Frequency Switching: 1MHz

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

Quality and Safety Features

Extended temperature range ensures reliability under thermal stress

Compliant with industry-standard safety and quality regulations

Compatibility

Compatible with various external switches for customized designs

Suitable for use with different topologies including Boost, Flyback, and Forward

Application Areas

Power supplies for consumer electronics

Telecommunication equipment

Industrial control systems

Energy-efficient power solutions

Product Lifecycle

Currently active product

Not indicated as nearing discontinuation

Upgrades or replacements to be sourced from Texas Instruments product line

Several Key Reasons to Choose This Product

High-frequency operation reduces the size of passive components

Flexible power supply voltage range accommodates various input voltages

Robust temperature range makes it ideal for harsh environments

Simple surface mount packaging allows for compact PCB designs

From a reputable manufacturer known for quality and innovation in power management

Absence of an internal switch provides design flexibility for power optimization