onsemi

KA5H0280RYDTU

KA5H0280RYDTU Description

The KA5H0280RYDTU is an offline switch IC designed for high-efficiency AC-DC conversion applications. Manufactured by onsemi, this device is part of the FPS™ series and features a through-hole mounting type in a TO220F package. It supports both flyback and forward topologies, making it versatile for a range of power supply designs. The KA5H0280RYDTU has a breakdown voltage of 800V, ensuring robust performance in high-voltage environments. It operates with a switching frequency of 100kHz, providing efficient power conversion while minimizing electromagnetic interference (EMI).

KA5H0280RYDTU Features

• High Breakdown Voltage: With a breakdown voltage of 800V, the KA5H0280RYDTU is suitable for applications requiring high voltage handling capabilities.
• Dual Topology Support: The device supports both flyback and forward topologies, offering flexibility in power supply design.
• Internal Switch: The inclusion of an internal switch simplifies circuit design and reduces component count.
• Soft Start Feature: The soft start control feature helps to minimize inrush current during startup, protecting the circuit from potential damage.
• Comprehensive Fault Protection: The KA5H0280RYDTU offers current limiting, overload protection, over-temperature protection, and over-voltage protection, ensuring reliable operation under various conditions.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 8.8V to 30V, making it suitable for a variety of input voltage scenarios.
• High Duty Cycle: With a duty cycle of 67%, the KA5H0280RYDTU can handle higher power levels efficiently.
• REACH Compliance: The KA5H0280RYDTU is REACH unaffected, ensuring compliance with environmental regulations.
• Moisture Sensitivity Level: The device has an MSL of 1 (unlimited), making it suitable for storage and handling in various environments.

KA5H0280RYDTU Applications

The KA5H0280RYDTU is ideal for a variety of applications requiring efficient AC-DC conversion. Its high breakdown voltage and dual topology support make it suitable for:

• Power Supplies: Ideal for designing power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adapters and Chargers: The device's efficiency and protection features make it well-suited for compact and reliable power adapters and chargers.
• LED Lighting: The KA5H0280RYDTU can be used in LED drivers to provide stable and efficient power conversion for lighting applications.
• Low-Power Appliances: The device's wide supply voltage range and comprehensive protection features make it suitable for low-power appliances requiring reliable power conversion.

Conclusion of KA5H0280RYDTU

The KA5H0280RYDTU is a versatile and robust offline switch IC designed for high-efficiency AC-DC conversion. Its high breakdown voltage, dual topology support, and comprehensive protection features make it an ideal choice for a variety of power supply applications. Despite being marked as obsolete, the KA5H0280RYDTU remains a reliable option for engineers and designers looking for a proven solution in their power conversion designs.