TOP255LN - Power Integrations

Manufacturer Part Number

TOP255LN

Manufacturer

Power Integrations

Introduction

The TOP255LN is a highly integrated, energy-efficient offline switching regulator from Power Integrations. It combines a high-voltage power switch, oscillator, control and protection circuitry in a single monolithic IC, enabling compact and cost-effective power supply designs.

Product Features and Performance

High-voltage operation up to 700V

Flyback topology

66kHz and 132kHz switching frequency options

81W output power capability

Current limiting, over-temperature and over-voltage protection

-40°C to 150°C junction temperature operating range

Product Advantages

Highly integrated design reduces external component count

Improved efficiency and reduced system cost

Robust protection features ensure reliable operation

Key Reasons to Choose This Product

Compact and cost-effective power supply solution

Excellent energy efficiency

Reliable and safe operation with comprehensive protection features

Quality and Safety Features

Reinforced isolation between primary and secondary sides

Compliance with safety standards such as IEC/EN/UL 60950

Compatibility

The TOP255LN is a drop-in replacement for the obsolete TOP255 series. It maintains the same pinout and functionality, allowing for easy design migration.

Application Areas

AC-DC power supplies

Offline switching regulators

Household appliances

Industrial equipment

Consumer electronics

Product Lifecycle

The TOP255LN is an obsolete product, and there are several equivalent or alternative models available:

TOP255PN

TOP256LN

TOP256PN

Customers are advised to contact our website's sales team for more information on the suitable replacement options.