UCC2894PWR - Texas Instruments

Manufacturer Part Number

UCC2894PWR

Manufacturer

Texas Instruments

Introduction

UCC2894PWR is an advanced Pulse Width Modulation (PWM) controller for isolated power supplies.

Product Features and Performance

Operates in Flyback and Forward converter topologies

Soft Start feature for controlled startup

Synchronization function to reduce noise through frequency synchronization

High-frequency switching up to 1MHz

Current limitation for fault protection

Operating temperature range -40°C to 105°C

PWM based control

Product Advantages

High frequency allows for smaller components and reduced space

Soft Start reduces inrush current, improving reliability

Flexibility in application due to support for multiple topologies

Current limiting feature provides added protection against overloads

Key Technical Parameters

Output Isolation: Isolated

Internal Switch(s): No

Voltage Start Up: 12.7V

Voltage Supply (Vcc/Vdd): 8.5V to 16V

Duty Cycle: 70%

Frequency Switching: 1MHz

Fault Protection: Current Limiting

Control Features: Soft Start, Sync

Quality and Safety Features

Current limiting fault protection enhances safety

Wide operating temperature range ensures reliability in varying environments

Compatibility

Optimized for use in offline power converters

Application Areas

Power supplies for Telecommunications

Industrial power systems

Electronic equipment requiring isolated power

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation

Replacements or upgrades should be sourced from texas-instruments product line

Several Key Reasons to Choose This Product

High-frequency operation allows efficiency and reduced physical size

Texas Instruments' reputation for quality and reliable products

Broad operating temperature range suits harsh environments

Versatile control features like Soft Start and Sync for system optimization

Available in Tape & Reel packaging for efficient automated assembly processes

Surface Mount technology compatible for modern PCB design