UCC3818DW - Unitrode

Manufacturer Part Number

UCC3818DW

Manufacturer

Texas Instruments

Introduction

The UCC3818DW is a Power Factor Correction controller integrated circuit, targeting efficient power management solutions, particularly suitable for applications requiring high power factor and low total harmonic distortion.

Product Features and Performance

Utilizes average current mode for enhanced performance

Supports a wide switching frequency range from 6kHz to 220kHz

Provides under-voltage lockout with hysteresis

Features soft-overcurrent and programmable over-voltage protection

Optimized for low power dissipation

Product Advantages

Reduced power loss and improved system efficiency

Enhanced system reliability through multiple built-in protections

Flexible in handling various topologies

Suitable for small form factor applications due to its compact size

Key Technical Parameters

Frequency: Switching 6kHz to 220kHz

Start-up current: 150 µA

Supply voltage: 12V to 17V

Operating temperature range: 0°C to 70°C

Quality and Safety Features

Under-voltage lockout ensures stable operation under low voltage conditions

Over-voltage and over-current protection to safeguard the system components

Compatibility

Compatible with a range of external components for versatile PFC applications

Adaptable to different power supply designs due to flexible frequency switching

Application Areas

AC/DC power supplies

Power adapters for laptops and mobile devices

Industrial power systems

Telecommunications equipment

Product Lifecycle

Product Status: Last Time Buy, indicating impending discontinuation

Availability of replacements or upgrades: Contact Texas Instruments for current alternatives

Several Key Reasons to Choose This Product

High efficiency and reliability in regulating power management

Suitable for upgrading existing systems due to its performance improvements

Wide application range from consumer electronics to industrial systems

Compact and versatile design simplifies integration into space-constrained applications