onsemi

KA3882ED

KA3882ED Description

The KA3882ED is an offline switch integrated circuit (IC) designed for power management applications, manufactured by onsemi. This IC is housed in an 8SOIC package and is ideal for a variety of power conversion and control tasks. The KA3882ED operates within a temperature range of 0°C to 70°C (TA) and is classified under the ECCN code EAR99, indicating it is not subject to strict export controls. It is designed for surface mount applications and is currently marked as obsolete, which means it is no longer in active production but may still be available in limited quantities.

KA3882ED Features

The KA3882ED offers several key features that make it a robust solution for power management:

• Frequency Control: The IC provides precise frequency control, ensuring stable and reliable operation.
• Current Limiting Fault Protection: This feature safeguards the device against overcurrent conditions, enhancing reliability and longevity.
• Wide Operating Frequency Range: The KA3882ED can operate at switching frequencies up to 500kHz, allowing for efficient power conversion and compact design.
• High Duty Cycle: With a duty cycle of up to 96%, the KA3882ED can deliver high power output with minimal power loss.
• Wide Input Voltage Range: The IC supports a supply voltage range of 10V to 30V, making it versatile for various power supply applications.
• Low Start-Up Voltage: Requiring only 16V to start, the KA3882ED ensures quick and efficient power-up.
• Moisture Sensitivity Level (MSL) 1: This classification means the device is not sensitive to moisture, making it suitable for a wide range of environments.
• REACH Unaffected: The KA3882ED complies with the REACH regulations, ensuring it is free from harmful substances and safe for use.

KA3882ED Applications

The KA3882ED is well-suited for a variety of applications due to its robust features and versatile design:

• Power Supplies: Ideal for offline power supplies where efficiency and reliability are paramount.
• Adapters and Chargers: Suitable for applications requiring a compact and efficient power conversion solution.
• Consumer Electronics: Can be used in a range of consumer electronics where power management is critical.
• Industrial Applications: The wide operating temperature range and robust design make it suitable for industrial environments.

Conclusion of KA3882ED

The KA3882ED is a versatile offline switch IC that offers a combination of high efficiency, robust protection features, and a wide operating range. While it is now obsolete, its unique features and performance benefits make it a valuable component for existing designs and legacy systems. For new projects, designers may need to seek alternatives, but the KA3882ED remains a reliable choice for applications where it is still available. Its compatibility with various power management tasks and compliance with industry standards ensure it continues to be a trusted solution in the electronics industry.