LYT4217E - Power Integrations

Manufacturer Part Number

LYT4217E

Manufacturer

power-integrations

Introduction

The LYT4217E is a highly integrated offline flyback switcher IC from Power Integrations, designed for 50W power supply applications. It combines a high-voltage power switch, oscillator, control and protection circuitry on a single chip, simplifying the design of efficient and cost-effective power supplies.

Product Features and Performance

High-voltage power switch with 725V breakdown voltage

Flyback, step-down (buck), and step-up (boost) topologies supported

140kHz switching frequency for compact magnetics

9% maximum duty cycle for high efficiency

Wide operating temperature range of -40°C to 150°C

Product Advantages

Highly integrated design reduces component count and simplifies power supply implementation

High-voltage power switch enables direct AC line operation without additional components

High switching frequency allows for smaller magnetics and improved power density

Wide temperature range ensures reliable operation in diverse environments

Key Reasons to Choose This Product

Simplified and cost-effective power supply design

High efficiency and power density for compact applications

Proven reliability and performance in a wide range of operating conditions

Quality and Safety Features

Robust protection features include overcurrent, overtemperature, and output short-circuit protection

UL and EN safety certifications available

Compatibility

The LYT4217E is designed for use in a variety of AC-DC power supply applications, including consumer electronics, industrial equipment, and medical devices.

Application Areas

AC-DC power supplies

Offline power converters

Industrial and consumer electronics

Medical equipment

Product Lifecycle

The LYT4217E is an obsolete product, meaning it is no longer in active production. However, Power Integrations may offer alternative or equivalent models that can be used as a replacement. Customers are advised to contact our website's sales team for more information on available options.