onsemi

MC44608P75  

AC DC Converters, Offline Switches

MC44608P75 Description

The MC44608P75 is an offline switch IC designed for flyback topology applications, manufactured by onsemi. This through-hole mounted device is housed in a tube package and is identified by the base product number MC44608. It operates within a supply voltage range of 6.6V to1 6V and features a duty cycle of 82%. The IC is designed for isolated output applications and has a switching frequency of 80kHz. It includes comprehensive fault protection mechanisms such as current limiting, over-temperature, and over-voltage protection. The MC44608P75 has a start-up voltage of 13.1V and is classified under ECCN EAR99 and HTSUS 8542.39.0001. It is REACH unaffected and has a moisture sensitivity level (MSL) of 1 (unlimited). Despite its obsolescence, the MC44608P75 remains a reliable choice for specific applications requiring its unique set of features.

MC44608P75 Features

The MC44608P75 offers several key features that make it a robust solution for offline switching applications:

• Flyback Topology: Ideal for applications requiring isolated output, ensuring safety and reliability in high-voltage environments.
• Through Hole Mounting: Provides mechanical stability and ease of integration into existing PCB designs.
• Comprehensive Fault Protection: Equipped with current limiting, over-temperature, and over-voltage protection, ensuring robustness and longevity.
• High Switching Frequency: 80kHz switching frequency allows for smaller passive components, reducing overall footprint and cost.
• Wide Supply Voltage Range: Operates efficiently between 6.6V and 16V, making it versatile for various input voltage scenarios.
• High Duty Cycle: 82% duty cycle enhances efficiency and performance in demanding applications.
• Start-Up Voltage: A start-up voltage of 13.1V ensures reliable operation even under low input conditions.
• Regulatory Compliance: Classified under ECCN EAR99 and HTSUS 8542.39.0001, and REACH unaffected, ensuring compliance with international regulations.
• Moisture Sensitivity Level: MSL 1 (unlimited) indicates high resistance to moisture, suitable for a wide range of environmental conditions.

MC44608P75 Applications

The MC44608P75 is well-suited for a variety of applications that require efficient, reliable, and safe power conversion:

• AC-DC Converters: Ideal for low-power AC-DC conversion in consumer electronics, medical devices, and industrial control systems.
• Offline Power Supplies: Suitable for applications where a stable power supply is needed without a direct connection to the mains.
• Isolated Power Solutions: Perfect for applications requiring galvanic isolation, such as in telecommunications and medical equipment.
• Adaptive Power Systems: Can be used in adaptive power systems where the input voltage varies, ensuring consistent performance across different conditions.

Conclusion of MC44608P75

The MC44608P75, despite being obsolete, remains a valuable component for specific applications requiring its unique set of features. Its robust design, comprehensive fault protection, and high efficiency make it a reliable choice for offline switching applications. The wide supply voltage range, high switching frequency, and isolated output capabilities further enhance its versatility and performance. While newer alternatives may offer additional features, the MC44608P75 continues to provide a cost-effective and reliable solution for existing and legacy systems.

MC44608P75 Documents

Download datasheets and manufacturer documentation for MC44608P75