onsemi

NCP1055ST100T3G

NCP1055ST100T3G Description

The NCP1055ST100T3G is an AC-DC converter and offline switch designed by onsemi, featuring a flyback topology and surface-mount packaging. This IC is designed for high-efficiency power conversion and offers a range of advanced features for reliable performance in various applications. With a switching frequency of 100kHz, it provides efficient power conversion and meets the requirements of modern electronic devices. The NCP1055ST100T3G is RoHS3 compliant and REACH unaffected, ensuring environmental compliance and safety.

NCP1055ST100T3G Features

• Obsolete Product Status: While the NCP1055ST100T3G is considered obsolete, it still offers reliable performance for legacy systems or specific applications where newer alternatives may not be suitable.
• Internal Switches: The NCP1055ST100T3G features internal switches, reducing the need for external components and simplifying the design.
• Flyback Topology: This topology offers high efficiency and a simple design, making it ideal for a wide range of applications.
• Isolated Output: The NCP1055ST100T3G provides isolated output, ensuring safety and reliability in various applications.
• Voltage - Start Up: The IC requires a start-up voltage of 8.5V, ensuring reliable operation.
• Voltage - Supply (Vcc/Vdd): The NCP1055ST100T3G operates within a supply voltage range of 7.5V to 10V, providing flexibility in power supply design.
• Voltage - Breakdown: The IC can withstand a breakdown voltage of 700V, ensuring robust performance in high-voltage applications.
• Power (Watts): The NCP1055ST100T3G is capable of handling up to 40W of power, making it suitable for a variety of applications.
• Fault Protection: The IC offers current limiting, open-loop, overload, and over-temperature protection, ensuring reliable operation and preventing damage in case of faults.
• Duty Cycle: The NCP1055ST100T3G has a duty cycle of 77%, providing efficient power conversion.
• Moisture Sensitivity Level (MSL): The IC has an MSL of 1 (Unlimited), indicating that it is not sensitive to moisture and can be stored for extended periods without degrading performance.

NCP1055ST100T3G Applications

The NCP1055ST100T3G is ideal for applications where high efficiency, reliability, and safety are paramount. Some specific use cases include:

1. Industrial Control Systems: The NCP1055ST100T3G's high efficiency and fault protection features make it suitable for powering industrial control systems, ensuring reliable operation in harsh environments.
2. Telecommunications Equipment: The isolated output and high breakdown voltage of the NCP1055ST100T3G make it an excellent choice for powering telecommunications equipment, ensuring safety and reliability in critical communication systems.
3. Medical Devices: The NCP1055ST100T3G's fault protection features and isolated output make it suitable for powering medical devices, ensuring patient safety and reliable operation.

Conclusion of NCP1055ST100T3G

The NCP1055ST100T3G is an obsolete AC-DC converter and offline switch that offers high efficiency, reliability, and safety features, making it suitable for a variety of applications. While it may not be the latest technology, its unique features and advantages make it an ideal choice for legacy systems or specific applications where newer alternatives may not be suitable.