UCC2809PWTR-1G4 - Texas Instruments

Manufacturer Part Number

UCC2809PWTR-1G4

Manufacturer

Texas Instruments

Introduction

The UCC2809PWTR-1G4 is a power management integrated circuit designed for AC DC converters and offline switches, optimized for boost, flyback, and forward topologies.

Product Features and Performance

Optimized for boost, flyback, and forward converter topologies

No internal switches

Supports a frequency control and soft start functionality

Wide operating voltage range from 8V to 19V

High switching frequency at 1MHz

Can handle duty cycle up to 70%

Operates over a wide temperature range from -55°C to 150°C

Product Advantages

High frequency operation reduces transformer size and cost

Soft start capability minimizes inrush current

Suitable for high temperature applications

Key Technical Parameters

Voltage - Start Up: 10 V

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

Duty Cycle: 70%

Frequency - Switching: 1MHz

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

Quality and Safety Features

Robust operation in extreme temperatures

Compatibility

Surface mount technology compatible

Housed in a 8-TSSOP package

Application Areas

Power supplies for telecommunications

Industrial power systems

Consumer electronics

Product Lifecycle

Discontinued at Digi-Key: Check for availability of replacements or upgrades

Several Key Reasons to Choose This Product

High efficiency and reliability in power conversion

Reduced size and cost of associated components due to high switching frequency

Wide input voltage range accommodates variations in power supply

Suitable for harsh environmental conditions

Ease of implementation with surface mount packaging technology