LNK457KG - Power Integrations

Manufacturer Part Number

LNK457KG

Manufacturer

power-integrations

Introduction

The LNK457KG is an obsolete AC/DC offline switcher from Power Integrations. It is a part of the LinkSwitch-PL series and features a built-in high-voltage power switch, simplifying the design of power supplies for LED lighting and other applications.

Product Features and Performance

Internal high-voltage power switch

1A output current

122kHz switching frequency

Triac dimming capability

Wide 50V supply voltage range

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

Surface mount package with exposed pad for improved thermal performance

Product Advantages

Integrated design reduces component count and simplifies power supply construction

Triac dimming enables phase-cut dimming for LED lighting applications

Wide operating temperature range supports a variety of applications

Key Reasons to Choose This Product

Simplified power supply design with integrated high-voltage switch

Supports triac dimming for LED lighting

Robust thermal performance over a wide temperature range

Quality and Safety Features

Surface mount package with exposed pad for improved thermal management

Meets safety and compliance standards for LED lighting applications

Compatibility

The LNK457KG is compatible with a variety of LED lighting and other power supply applications.

Application Areas

LED lighting

General power supply applications

Product Lifecycle

The LNK457KG is an obsolete product, meaning it is no longer in active production. Customers should consider alternative or equivalent models that are currently available. Please contact our website's sales team for more information on suitable replacement options.