Power Integrations

TOP261EG  

AC DC Converters, Offline Switches

TOP261EG Description

The TOP261EG from Power Integrations is a high-performance offline switching IC designed for flyback topology applications. This through-hole mounted device integrates a 700V breakdown voltage MOSFET, enabling robust power handling up to 333W. With an isolated output and 66kHz/132kHz switching frequency, it delivers efficient power conversion while maintaining compliance with RoHS and REACH standards. Its 78% duty cycle ensures optimal performance in demanding environments, making it ideal for industrial and commercial power supplies.

TOP261EG Features

• Integrated 700V MOSFET: Reduces external component count and simplifies design.
• Advanced Fault Protection: Includes current limiting, over-temperature, and over-voltage protection for enhanced reliability.
• Dual Switching Frequencies (66kHz/132kHz): Offers flexibility for noise-sensitive or high-efficiency applications.
• High Power Output (333W): Suitable for medium-to-high power AC/DC conversion.
• Wide Duty Cycle (78%): Optimizes performance under varying load conditions.
• Moisture Sensitivity Level (MSL 1): Ensures durability in humid environments without baking requirements.

TOP261EG Applications

The TOP261EG excels in:

• Industrial Power Supplies: Reliable operation in harsh conditions with fault protection.
• LED Lighting Drivers: High efficiency and stable output for commercial lighting systems.
• Consumer Electronics Adapters: Compact design with integrated safety features.
• Telecom/Server Power Systems: Robust performance for continuous high-power demand.

Conclusion of TOP261EG

The TOP261EG stands out as a versatile, high-efficiency offline switcher with integrated protection and flexible switching frequencies. Its 333W capability and 700V MOSFET make it superior to lower-power alternatives, while its RoHS compliance ensures environmental safety. Ideal for industrial, lighting, and telecom applications, this IC combines reliability with advanced features for next-gen power designs.

TOP261EG Documents

Download datasheets and manufacturer documentation for TOP261EG

PCN Assembly/Origin :

Added Assembly Site 10/Jul/2023      

Datasheets :

TOP252-62      

PCN Design/Specification :

Design Chgs 29/Jul/2016