onsemi

NCP1052ST44T3

NCP1052ST44T3 Description

The NCP1052ST44T3 is an obsolete offline switch IC designed for flyback topology applications, manufactured by onsemi. This device is housed in a Surface Mount SOT223 package and is available in Tape & Reel (TR) format. It features an internal switch with a switching frequency of 44kHz, making it suitable for applications requiring efficient power conversion. The NCP1052ST44T3 operates within a supply voltage range of 7.5V to 10V and has a breakdown voltage of 700V, ensuring robust performance in various operating conditions. This IC supports isolated output, providing enhanced safety and reliability in power conversion circuits. It also includes comprehensive fault protection mechanisms such as current limiting, open loop, overload, and over-temperature protection, safeguarding the device and connected components from potential damage.

NCP1052ST44T3 Features

• Internal Switch: Equipped with an internal switch, the NCP1052ST44T3 simplifies circuit design and reduces component count, leading to more compact and cost-effective solutions.
• Switching Frequency: The 44kHz switching frequency ensures efficient power conversion with minimal electromagnetic interference (EMI), making it suitable for applications where EMI is a concern.
• Wide Supply Voltage Range: Operating from 7.5V to 10V, the NCP1052ST44T3 can accommodate a variety of input voltage sources, enhancing its versatility.
• High Breakdown Voltage: With a breakdown voltage of 700V, the device can handle high voltage inputs, making it ideal for applications with demanding voltage requirements.
• Comprehensive Fault Protection: Features such as current limiting, open loop, overload, and over-temperature protection ensure the device remains safe and reliable under various operating conditions.
• Isolated Output: The isolated output topology provides enhanced safety and reliability, making it suitable for applications where galvanic isolation is necessary.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not moisture-sensitive, simplifying handling and storage requirements.
• REACH Compliance: The NCP1052ST44T3 is REACH unaffected, ensuring compliance with environmental regulations and promoting sustainable manufacturing practices.

NCP1052ST44T3 Applications

The NCP1052ST44T3 is ideal for a range of applications requiring efficient power conversion and isolated output. Some specific use cases include:

• Power Supplies: Suitable for designing compact and efficient power supplies for various electronic devices, including consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Ideal for creating reliable and safe adapters and chargers with isolated output, ensuring user safety and device compatibility.
• Telecommunications: Can be used in telecom equipment where isolated power conversion is necessary to prevent signal interference and ensure reliable operation.
• Industrial Control Systems: Provides robust power conversion solutions for industrial control systems, where high voltage inputs and isolated outputs are often required.

Conclusion of NCP1052ST44T3

The NCP1052ST44T3 is a versatile offline switch IC designed for flyback topology applications, offering a combination of high performance and comprehensive protection features. Despite being obsolete, its technical specifications and unique features make it a reliable choice for applications requiring efficient power conversion and isolated output. The device's wide supply voltage range, high breakdown voltage, and comprehensive fault protection mechanisms ensure robust performance and safety. The NCP1052ST44T3 is particularly well-suited for power supplies, adapters, chargers, telecommunications equipment, and industrial control systems, where its isolated output and high voltage capabilities are advantageous.