LYT4321E - Power Integrations

Manufacturer Part Number

LYT4321E

Manufacturer

power-integrations

Introduction

The LYT4321E is a high-performance, offline switching regulator IC from Power Integrations. It is designed to provide a simple, cost-effective solution for low-power AC-DC converter applications up to 12W.

Product Features and Performance

Isolated flyback, step-down (buck), and step-up (boost) converter topologies

Internal 725V power switch

Switching frequency of 140kHz

Maximum duty cycle of 99.9%

Operating temperature range of -40°C to 150°C (TJ)

Available in a compact 7-SSIP package with an exposed pad for improved thermal performance

Product Advantages

Highly integrated design reduces external component count

Excellent efficiency and power density

Wide operating temperature range for versatile applications

Robust protection features for reliable operation

Key Reasons to Choose This Product

Simple, cost-effective solution for low-power AC-DC conversion

High-performance power management capabilities

Compact and thermally efficient package design

Reliable operation in challenging environments

Quality and Safety Features

Robust protection features, including over-temperature, over-current, and output short-circuit protection

Designed to meet international safety and regulatory standards

Compatibility

Suitable for a wide range of low-power AC-DC converter applications, including phone chargers, power adapters, and other consumer electronics

Application Areas

Low-power AC-DC conversion for consumer electronics, industrial equipment, and other applications

Product Lifecycle

The LYT4321E is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Power Integrations or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.