LNK457DG-TL - Power Integrations

Manufacturer Part Number

LNK457DG-TL

Manufacturer

power-integrations

Introduction

The LNK457DG-TL is a highly integrated AC-DC offline switcher from Power Integrations. It combines a high-voltage power switch, oscillator, control and protection circuitry in a single package, making it an ideal solution for low-power offline power supplies.

Product Features and Performance

Integrated high-voltage power switch

Oscillator, control, and protection circuitry

Operates with a wide input voltage range of up to 50V

Capable of delivering up to 1A of output current

Operates at a fixed switching frequency of 122kHz

Supports triac dimming for dimmable LED applications

Product Advantages

Highly integrated design reduces component count and simplifies power supply design

Wide input voltage range allows use in a variety of applications

High output current capability suitable for a range of power requirements

Fixed switching frequency for easier EMI filtering

Triac dimming support enables dimmable LED driver solutions

Key Reasons to Choose This Product

Simplified power supply design with highly integrated solution

Versatile input voltage range and output current capability

Optimized for dimmable LED applications with triac dimming support

Reliable and efficient performance for various low-power offline applications

Quality and Safety Features

Robust protection features including overcurrent, overvoltage, and overtemperature protection

Suitable for surface mount assembly and compact design

Compatibility

The LNK457DG-TL is designed to be compatible with a wide range of applications, including:

LED drivers

Low-power offline power supplies

Auxiliary power supplies

Application Areas

Dimmable LED lighting

General low-power offline power supplies

Auxiliary power for various electronic devices

Product Lifecycle

The LNK457DG-TL is currently an active product and is not nearing discontinuation. There are equivalent or alternative models available from Power Integrations, such as the LNK456 and LNK458 series. Customers are advised to contact our website's sales team for more information on product availability and alternatives.