onsemi

KA5M0165RN

KA5M0165RN Description

The KA5M0165RN is an offline switch IC designed for flyback topology applications, manufactured by onsemi. This device is part of the FPS™ series and is housed in a through-hole package, specifically an 8DIP tube. It features a breakdown voltage of 650V and operates within a supply voltage range of 8.8V to 30V. The KA5M0165RN includes an internal switch and offers comprehensive fault protection mechanisms, including current limiting, overload, over-temperature, and over-voltage protection. It operates at a switching frequency of 67kHz and has a duty cycle of 77%. The device requires a startup voltage of 15V and is classified under HTSUS code 8542.39.0001. It has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and has unlimited storage time. Despite its obsolescence, the KA5M0165RN remains a reliable choice for specific applications due to its robust design and performance.

KA5M0165RN Features

• Topology: Flyback topology, ideal for compact and efficient power conversion.
• Mounting Type: Through-hole, providing mechanical stability and ease of integration in traditional PCB designs.
• Breakdown Voltage: 650V, ensuring high reliability and safety in high-voltage applications.
• Internal Switch: Integrated switch reduces component count and simplifies design.
• Fault Protection: Comprehensive protection features, including current limiting, overload, over-temperature, and over-voltage protection, enhance system reliability and longevity.
• Switching Frequency: 67kHz, allowing for efficient power conversion and reduced component size.
• Duty Cycle: 77%, optimizing power delivery and efficiency.
• Supply Voltage Range: 8.8V to 30V, offering flexibility in power supply requirements.
• Startup Voltage: 15V, ensuring reliable startup in various operating conditions.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for storage and handling in diverse environments.

KA5M0165RN Applications

The KA5M0165RN is well-suited for a variety of applications requiring efficient power conversion and robust fault protection. Its flyback topology and high breakdown voltage make it ideal for:

• AC-DC Converters: Efficiently converting alternating current to direct current for power supplies and adapters.
• Offline Switches: Providing reliable switching in applications where direct connection to the mains is required.
• Power Supplies: Ideal for compact and efficient power supply designs in consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Ensuring safe and efficient power delivery in various charging applications.

Conclusion of KA5M0165RN

The KA5M0165RN, despite being an obsolete model, continues to offer significant advantages in specific applications due to its robust design and comprehensive feature set. Its high breakdown voltage, integrated switch, and extensive fault protection mechanisms make it a reliable choice for AC-DC converters and offline switches. The device's compatibility with a wide range of supply voltages and its ability to operate efficiently at a 67kHz switching frequency further enhance its appeal. For engineers and designers looking for a proven solution in power conversion, the KA5M0165RN remains a viable option, especially in applications where its unique features and performance benefits are critical.