TOP257PN - Power Integrations

Manufacturer Part Number

TOP257PN

Manufacturer

power-integrations

Introduction

The TOP257PN is a highly integrated, energy-efficient offline power supply controller from Power Integrations. It combines a high-voltage power MOSFET, oscillator, control and protection circuitry in a single monolithic IC, enabling the design of compact, cost-effective offline power supplies for a wide range of applications.

Product Features and Performance

700V breakdown voltage for high-voltage operation

Flyback topology for isolated power conversion

66kHz switching frequency for compact transformer design

78% duty cycle for high efficiency

41W output power capability

Built-in current limiting, over-temperature and over-voltage protection

Product Advantages

Highly integrated design reduces component count and simplifies power supply implementation

High voltage operation enables direct AC line connection without additional components

Energy-efficient flyback topology minimizes power losses

High switching frequency allows for compact transformer size

Robust protection features ensure reliable and safe operation

Key Reasons to Choose This Product

Compact, cost-effective solution for a wide range of offline power supply applications

Excellent energy efficiency and high power density

Reliable and safe operation with integrated protection features

Easy to design and implement with the highly integrated controller

Quality and Safety Features

Robust protection against overcurrent, over-temperature and over-voltage conditions

Compliance with relevant safety and EMC standards for offline power supplies

Compatibility

The TOP257PN is compatible with a variety of applications that require an isolated offline power supply, including consumer electronics, industrial equipment, and telecom/networking devices.

Application Areas

Consumer electronics (e.g., chargers, adapters, set-top boxes)

Industrial equipment (e.g., sensors, instrumentation, motor drives)

Telecom and networking devices (e.g., modems, routers, switches)

Product Lifecycle

The TOP257PN is an active product in our website's sales team's lineup. There are currently no direct replacement or alternative models available. For the latest information or to inquire about availability, please contact our website's sales team.