UCC3817N - Unitrode

Manufacturer Part Number

UCC3817N

Manufacturer

Texas Instruments

Introduction

The UCC3817N is a Power Factor Correction (PFC) pre-regulator designed for improving power supply efficiency and reducing harmonic distortion.

Product Features and Performance

Active Power Factor Correction

Low Startup Current

Average Current Mode Control

Programmable Switching Frequency

Provides Reduced Power Losses

Enhanced System Reliability

Product Advantages

Minimizes Line Current Distortion

High Power Factor Performance

Flexibility in Frequency Tuning

Suitable for AC/DC Converters

Key Technical Parameters

Frequency: 6kHz to 220kHz Switching

Startup Current: 150 µA

Supply Voltage: 12V to 17V

Operating Temperature: 0°C to 70°C

Mounting Type: Through Hole

Package: 16-DIP

Quality and Safety Features

Industry Standard Compliance

Over-Temperature Protection (Implicit through Operational Range)

Under-Voltage Lockout

Compatibility

Compatibility with a variety of PFC designs and applications due to its Adjustable Frequency Range

Fits standard 16-PDIP Sockets

Application Areas

AC/DC Power Supplies

Power Supply for Desktops

Industrial Power Systems

Telecommunication Equipment

Product Lifecycle

Status: Last Time Buy

Availability of replacements or upgrades: Check with manufacturer for the latest parts or upgraded solutions

Several Key Reasons to Choose This Product

Trusted Manufacturer with a robust reputation for quality and reliability.

Enhanced efficiency suitable for improving system power management.

Adaptable to various power designs due to its broad switching frequency.

Prolongs life of power supply components through improved thermal and electrical operation.

Aids in meeting international power standards and regulations.

Offers a solution to reduce electronic waste and energy usage by increasing power supply efficiency.