onsemi

NCP1280DR2G

NCP1280DR2G Description

The NCP1280DR2G is a high-performance, isolated forward converter controlled by a dedicated integrated circuit (IC). Manufactured by onsemi, this device is designed for AC/DC conversion applications, specifically on the secondary side. It is characterized by a surface-mount design, making it suitable for compact and modern electronics. Although the product is now considered obsolete, it was once a popular choice for its advanced features and reliable performance.

NCP1280DR2G Features

• ECCN Classification: EAR99, indicating it is not subject to export controls.
• Topology: Forward converter with secondary side synchronous rectification for high efficiency.
• Mounting Type: Surface Mount, ideal for PCB integration in modern electronics.
• Breakdown Voltage: 700V, ensuring robust operation under high voltage conditions.
• Control Features: Includes frequency control and soft start for precise regulation.
• Fault Protection: Offers current limiting and over-voltage protection to safeguard the circuit.
• Switching Frequency: Operates between 150kHz to 300kHz, providing flexibility in design.
• REACH Status: REACH Unaffected, indicating compliance with European chemical regulations.
• Start-Up Voltage: 11V, facilitating initial power-up.
• Package: Tape & Reel (TR), suitable for automated assembly processes.
• Output Isolation: Isolated, ensuring safety and preventing ground loops.
• Supply Voltage: Accepts a wide range from 7V to 25V, accommodating various power sources.
• Base Product Number: NCP1280, indicating the core functionality and design.
• Moisture Sensitivity Level (MSL): 3 (168 Hours), suggesting a moderate level of protection against moisture.

NCP1280DR2G Applications

The NCP1280DR2G is well-suited for a variety of applications where efficient power conversion and isolation are critical. Some ideal use cases include:

• Telecommunications Equipment: For reliable power supply in base stations and other communication devices.
• Industrial Control Systems: Providing isolated power in environments with high voltage fluctuations.
• Medical Devices: Ensuring patient safety with isolated power supplies.
• Automotive Electronics: Offering robust power conversion in vehicles with fluctuating power demands.

Conclusion of NCP1280DR2G

While the NCP1280DR2G is now an obsolete product, it was once a leading choice for its advanced features and reliable performance in AC/DC conversion applications. Its unique combination of high breakdown voltage, isolated output, and flexible switching frequency made it ideal for a range of demanding applications. Although it may no longer be in production, its legacy remains in the high standards it set for power conversion efficiency and reliability.