UCC3817D - Unitrode

Manufacturer Part Number

UCC3817D

Manufacturer

Texas Instruments

Introduction

The UCC3817D is a power management integrated circuit designed for Power Factor Correction applications.

Product Features and Performance

High-Flexibility Power Factor Correction Controller

Switching Frequency Range from 6kHz to 220kHz

Low Startup Current of 150 µA

Supply Voltage Range from 12V to 17V

Designed for Continuous Conduction Mode (CCM) PFC

Overvoltage Protection

Brownout Protection

Average Current Mode Control

Product Advantages

High Power Factor and Low THD for Enhanced Power Quality

High Efficiency and Low Power Dissipation

Reduced EMI Through Variable Frequency Operation

Improved System Reliability with Built-In Protection Features

Key Technical Parameters

Frequency - Switching: 6kHz ~ 220kHz

Current - Startup: 150 µA

Voltage - Supply: 12V ~ 17V

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Under-Voltage Lockout (UVLO)

Programmable Soft Start

Protection Against Overvoltage Conditions

Compatibility

Compatible with a Wide Range of Switching Frequencies

Can Drive Various Types of Power MOSFETs or IGBTs

Surface Mount 16-SOIC Package for PCB Compatibility

Application Areas

AC-DC Power Supplies

Power Adapters for Laptops and PCs

Industrial Power Systems

Telecommunications Equipment

Consumer Electronics

Product Lifecycle

Status: Last Time Buy

Potential Upgrades or Replacements Should Be Considered

Key Reasons to Choose This Product

Efficient Power Factor Correction Capability

Versatile Operating Frequency for Design Flexibility

Robust Protection Features to Increase System Reliability

Low Operating Current for Reduced Standby Power

Suitable for a Variety of Market Sectors Requiring PFC

(EIF) LONGEVITY ADVISORY: Could be Nearing End of Life with Limited Time for Purchase

Industry-Leading Manufacturer with Reliable Support and Service