TOP257MN - Power Integrations

Manufacturer Part Number

TOP257MN

Manufacturer

power-integrations

Introduction

The TOP257MN is a highly integrated, cost-effective offline flyback switcher from Power Integrations. It combines a high-voltage power MOSFET, pulse width modulation (PWM) control, and other critical functions on a single chip, enabling the design of efficient, reliable and compact power supplies for a wide range of applications.

Product Features and Performance

High-voltage power MOSFET with 700V breakdown voltage

Integrated PWM control for flyback topology

66kHz fixed-frequency operation

78% maximum duty cycle

41W output power capability

Comprehensive fault protection including current limiting, over-temperature and overvoltage

Product Advantages

Highly integrated design reduces component count and simplifies power supply implementation

High-voltage operation enables direct AC line operation without the need for a bulky line transformer

Reliable and robust fault protection enhances product safety and reliability

Small package size allows for compact power supply designs

Key Reasons to Choose This Product

Industry-leading integration reduces design complexity and time-to-market

High efficiency and power density for compact and cost-effective power supply solutions

Robust fault protection ensures safe and reliable operation

Quality and Safety Features

Overvoltage, overcurrent and overtemperature protection

Reinforced isolation for safety-critical applications

Compatibility

The TOP257MN is compatible with a wide range of power supply designs, particularly in applications such as consumer electronics, home appliances, industrial equipment and lighting.

Application Areas

AC-DC power supplies

Offline power converters

Compact power adapters

Industrial and medical equipment

Lighting ballasts and drivers

Product Lifecycle

The TOP257MN is an obsolete product, meaning it has been discontinued by the manufacturer. However, there are several alternative and equivalent models available from Power Integrations that can be used as replacements. Customers are advised to contact our website's sales team for more information on available options and product lifecycle status.