TOP257LN - Power Integrations

Manufacturer Part Number

TOP257LN

Manufacturer

power-integrations

Introduction

The TOP257LN is a high-voltage, isolated flyback switcher IC from Power Integrations. It provides a complete, single-stage power conversion solution for a wide range of offline power supply applications, including consumer electronics, industrial equipment, and medical devices.

Product Features and Performance

High voltage operation up to 700V

Integrated high-voltage power switch

66kHz/132kHz fixed-frequency operation

78% maximum duty cycle

Current limiting, over-temperature, and over-voltage protection

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

Product Advantages

Compact, integrated design reduces component count and simplifies power supply circuitry

High efficiency and reliability

Comprehensive protection features ensure safe and reliable operation

Key Reasons to Choose This Product

Complete, single-stage power conversion solution

Ideal for a wide range of offline power supply applications

Robust protection features ensure long-term reliability

Compact and easy to design in

Quality and Safety Features

UL/EN/IEC safety certifications

Reinforced isolation for medical and industrial applications

Robust protection features for safe operation

Compatibility

The TOP257LN is compatible with a variety of offline power supply topologies and can be used in a wide range of applications.

Application Areas

Consumer electronics

Industrial equipment

Medical devices

Telecommunications equipment

Household appliances

Product Lifecycle

The TOP257LN is an obsolete product, meaning it is no longer in active production. However, there are several alternative and equivalent models available from Power Integrations that offer similar performance and features. Customers are advised to contact our website's sales team for more information on the available options.