Power Integrations

LNK6778E  

AC DC Converters, Offline Switches

LNK6778E Description

The LNK6778E is a high-performance offline switch flyback IC designed for power management applications. Manufactured by Power Integrations, this device is built to deliver reliable and efficient power conversion in a variety of electronic systems. The LNK6778E features a flyback topology, which is ideal for applications requiring isolated outputs and high efficiency. With a breakdown voltage of 725V, the IC is well-suited for high-voltage applications, ensuring robust performance and reliability.

The LNK6778E is housed in a through-hole package, making it suitable for applications where surface-mount technology is not feasible. It offers a power output of up to 135 watts, making it a versatile choice for a wide range of power management needs. The device includes an internal switch, which simplifies design and reduces component count, leading to more compact and cost-effective solutions.

LNK6778E Features

The LNK6778E boasts several key features that set it apart from similar models in the market:

• Topology: Flyback topology ensures isolated output, providing a safe and efficient power conversion method.
• Mounting Type: Through-hole mounting ensures mechanical stability and ease of integration in various designs.
• Voltage - Breakdown: A high breakdown voltage of 725V allows the IC to handle high-voltage applications with ease.
• Internal Switch(s): The inclusion of an internal switch simplifies the design process and reduces the number of external components required.
• Power (Watts): Capable of delivering up to 135 watts, the LNK6778E is suitable for applications requiring significant power output.
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting, overload, over-temperature, over-voltage, and short-circuit protection, ensure the device's longevity and reliability.
• Frequency - Switching: A switching frequency range of 120kHz to 136kHz allows for efficient power conversion and reduced electromagnetic interference (EMI).
• Duty Cycle: A maximum duty cycle of 64% ensures efficient operation and prevents thermal runaway.
• Package: The tube package offers a robust and reliable housing for the IC.
• Output Isolation: Isolated output ensures safety and compliance with various industry standards.
• RoHS Status: The LNK6778E is RoHS compliant, making it suitable for environmentally conscious applications.
• Moisture Sensitivity Level (MSL): An MSL of 1 (unlimited) indicates that the device is not sensitive to moisture, ensuring reliability in various environmental conditions.

LNK6778E Applications

The LNK6778E is ideal for a wide range of applications, including:

• Consumer Electronics: Power supplies for TVs, monitors, and other high-voltage electronic devices.
• Industrial Equipment: Power management in industrial control systems and machinery.
• Telecommunications: Power supplies for base stations and other telecom equipment.
• Medical Devices: Power management in medical imaging and diagnostic equipment.
• Automotive: High-voltage power supplies for automotive electronics and electric vehicle (EV) charging stations.

Conclusion of LNK6778E

The LNK6778E is a versatile and reliable offline switch flyback IC that offers a comprehensive set of features and benefits for power management applications. Its high breakdown voltage, internal switch, and comprehensive fault protection mechanisms make it a robust choice for high-voltage applications. The device's through-hole mounting, isolated output, and RoHS compliance further enhance its suitability for a wide range of industries. Whether used in consumer electronics, industrial equipment, or medical devices, the LNK6778E provides efficient and reliable power conversion, ensuring optimal performance and longevity.

LNK6778E Documents

Download datasheets and manufacturer documentation for LNK6778E

PCN :

Product Change Notification 2024-04-09 (PDF)       Change in Marking and Packing Logo (PDF)      

Models :

LNK6778E Symbol & Footprint by SnapMagic