onsemi

FAN7528N

FAN7528N Description

The FAN7528N is a Power Factor Correction (PFC) controller designed for critical conduction mode (CRM) and discontinuous (transition) mode applications. Manufactured by onsemi, this IC is housed in an 8-pin DIP package and is suitable for through-hole mounting. The FAN7528N operates within a supply voltage range of 12V to 23V and features a low startup current of 40 µA, making it energy-efficient and suitable for a wide range of power supply designs.

FAN7528N Features

• Operating Modes: The FAN7528N supports both Critical Conduction Mode (CRM) and Discontinuous (Transition) mode, providing flexibility in design and ensuring optimal performance across various load conditions.
• Low Startup Current: With a startup current of only 40 µA, the FAN7528N minimizes power consumption during startup, enhancing overall system efficiency.
• Wide Supply Voltage Range: The IC operates reliably within a supply voltage range of 12V to 23V, making it suitable for a variety of power supply applications.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability and is ideal for applications requiring high reliability and ease of assembly.
• Package Type: Housed in a tube package, the FAN7528N is protected during shipping and storage, reducing the risk of damage.
• Obsolete Status: While the FAN7528N is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
• Compliance: The FAN7528N is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

FAN7528N Applications

The FAN7528N is ideal for applications requiring efficient power factor correction and reliable power supply control. Its dual operating modes make it suitable for a wide range of applications, including:

• Power Supplies: Ideal for AC-DC power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Lighting Systems: Enhances the efficiency of LED lighting systems by providing precise power factor correction.
• Motor Drives: Ensures efficient power delivery in motor drives, contributing to energy savings and improved system performance.
• Renewable Energy Systems: Supports the integration of renewable energy sources by optimizing power conversion and ensuring compliance with grid standards.

Conclusion of FAN7528N

The FAN7528N, despite being marked as obsolete, remains a robust and reliable choice for power factor correction applications. Its ability to operate in both CRM and discontinuous modes, combined with its low startup current and wide supply voltage range, makes it a versatile component for various power supply designs. The through-hole mounting and tube packaging ensure mechanical stability and protection, making it suitable for applications requiring high reliability. While newer models may offer additional features, the FAN7528N continues to provide excellent performance and efficiency, making it a valuable component for legacy systems and specific applications where its unique features are essential.