TOP259YN - Power Integrations

Manufacturer Part Number

TOP259YN

Manufacturer

power-integrations

Introduction

The TOP259YN is a high-efficiency, high-voltage power supply control integrated circuit (IC) from Power Integrations. It is part of the TOPSwitch-HX series, designed for offline power supplies and AC-DC converters. The TOP259YN offers a comprehensive set of protection features and delivers up to 238 watts of output power.

Product Features and Performance

Isolated flyback topology with internal high-voltage power switch

700V breakdown voltage for the internal power switch

66kHz switching frequency

78% duty cycle

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

Comprehensive protection features including current limiting, over-temperature, and over-voltage protection

Product Advantages

High power density and efficiency for compact power supply designs

Integrated high-voltage power switch simplifies circuit design

Robust protection features ensure reliable operation in demanding applications

Versatile design suitable for a wide range of AC-DC converter and offline power supply applications

Key Reasons to Choose This Product

Exceptional power handling capabilities up to 238 watts

Reliable and robust design for long-term, trouble-free operation

Ease of use with integrated high-voltage power switch and protection features

Wide operating temperature range for use in challenging environments

Quality and Safety Features

Meets international safety and regulatory standards

Designed and manufactured to high quality standards for enhanced reliability

Compatibility

The TOP259YN is designed for use in a variety of AC-DC converter and offline power supply applications, including consumer electronics, industrial equipment, and medical devices.

Application Areas

Consumer electronics (e.g., televisions, set-top boxes, computer peripherals)

Industrial equipment (e.g., factory automation, test and measurement instruments)

Medical devices (e.g., diagnostic equipment, patient monitoring systems)

Product Lifecycle

The TOP259YN is an active product and is currently in production. Power Integrations offers a range of TOPSwitch-HX series products as equivalent or alternative models, providing customers with flexibility in their power supply design. If you have any questions or require additional information, please contact our sales team through our website.