onsemi

NCP1051P100

NCP1051P100 Description

The NCP1051P100 is an offline switch flyback IC designed for power management applications. Manufactured by onsemi, this device is part of the NCP1051 family and features a through-hole mounting type in a 7DIP package. The NCP1051P100 is equipped with an internal switch and operates at a switching frequency of 100kHz. It is designed to provide isolated output and offers a wide supply voltage range of 7.5V to 10V. The device has a startup voltage of 8.5V and a breakdown voltage of 700V, making it suitable for applications requiring high voltage isolation. The NCP1051P100 is capable of delivering up to 40W of power, with a duty cycle of 77%. It includes comprehensive fault protection mechanisms such as current limiting, open loop, overload, and over-temperature protection. The device is REACH unaffected and classified under ECCN EAR99 with an HTSUS code of 8542.39.0001. The NCP1051P100 is housed in a tube package and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions.

NCP1051P100 Features

The NCP1051P100 offers several unique features that set it apart from similar models in the power management IC market:

• Internal Switch: The inclusion of an internal switch simplifies the design and reduces the number of external components required.
• High Switching Frequency: Operating at 100kHz, the NCP1051P100 ensures efficient power conversion and allows for the use of smaller inductors and capacitors.
• Wide Supply Voltage Range: The device can operate within a supply voltage range of 7.5V to 10V, providing flexibility in power supply design.
• High Breakdown Voltage: With a breakdown voltage of 700V, the NCP1051P100 is well-suited for applications requiring high voltage isolation.
• Comprehensive Fault Protection: The device includes current limiting, open loop, overload, and over-temperature protection, ensuring reliable operation and enhanced safety.
• High Power Output: The NCP1051P100 is capable of delivering up to 40W of power, making it suitable for demanding applications.
• Isolated Output: The isolated output topology ensures that the primary and secondary circuits are electrically isolated, enhancing safety and reliability.
• Moisture Sensitivity Level 1: The device is suitable for unlimited storage conditions, reducing the risk of moisture-related damage.

NCP1051P100 Applications

The NCP1051P100 is ideal for a variety of applications, including:

• Power Supplies: Suitable for offline power supplies in consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Ideal for AC-DC adapters and chargers requiring high efficiency and reliability.
• Lighting Systems: Can be used in LED lighting systems where high voltage isolation and efficient power conversion are necessary.
• Telecommunications: Applicable in telecom equipment where isolated power supplies are required.
• Home Appliances: Suitable for power management in home appliances such as refrigerators, washing machines, and airers condition.

Conclusion of NCP1051P100

The NCP1051P100 is a robust and versatile offline switch flyback IC designed for power management applications. Its wide supply voltage range, high breakdown voltage, and comprehensive fault protection mechanisms make it an ideal choice for demanding applications. The device's internal switch and high switching frequency contribute to efficient power conversion and simplified design. With its isolated output topology and moisture sensitivity level 1, the NCP1051P100 ensures reliable operation in various environments. While the product is now obsolete, its technical specifications and performance benefits continue to make it a valuable component for legacy systems and applications requiring high voltage isolation and efficient power management.