onsemi

NCP1053ST100T3G

NCP1053ST100T3G Description

The NCP1053ST100T3G is an obsolete offline switch designed for AC-DC conversion applications, featuring a flyback topology. Manufactured by onsemi, this device is housed in a surface-mount SOT223 package, making it suitable for compact designs. The NCP1053ST100T3G operates within a supply voltage range of 7.5V to 10V and has a startup voltage of 8.5V. It supports a switching frequency of 100kHz, ensuring efficient power conversion. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations. With a moisture sensitivity level (MSL) of 1 (unlimited), the NCP1053ST100T3G is ideal for applications requiring high reliability in various environmental conditions.

NCP1053ST100T3G Features

• Internal Switch: The NCP1053ST100T3G includes an internal switch, simplifying circuit design and reducing component count.
• High Breakdown Voltage: With a breakdown voltage of 700V, the device can handle high-voltage applications, ensuring robustness and reliability.
• Power Capability: Capable of delivering up to 40W of power, the NCP1053ST100T3G is suitable for applications requiring moderate power levels.
• Fault Protection: Comprehensive fault protection features include current limiting, open loop, overload, and over-temperature protection, enhancing the device's durability and safety.
• Duty Cycle: The NCP1053ST100T3G operates with a duty cycle of 77%, optimizing power conversion efficiency.
• Output Isolation: The device offers isolated output, ensuring safety and reliability in applications where electrical isolation is critical.

NCP1053ST100T3G Applications

The NCP1053ST100T3G is ideal for a variety of applications, including:

• Power Supplies: Suitable for offline power supplies in consumer electronics, where compact size and high efficiency are required.
• Adapters and Chargers: Ideal for AC-DC adapters and chargers, providing reliable power conversion with minimal footprint.
• Industrial Equipment: Can be used in industrial applications requiring isolated power supplies, ensuring safety and reliability.
• Telecommunications: Suitable for telecom equipment needing efficient power conversion and high reliability.

Conclusion of NCP1053ST100T3G

The NCP1053ST100T3G is a versatile offline switch designed for AC-DC conversion applications. Its features, such as the internal switch, high breakdown voltage, and comprehensive fault protection, make it a reliable choice for various applications. Despite being obsolete, the NCP1053ST100T3G remains a valuable component for designers seeking a robust and efficient power conversion solution.