onsemi

NCP1246BLD100R2G

NCP1246BLD100R2G Description

The NCP1246BLD100R2G is an offline switch flyback IC designed for power management applications, manufactured by onsemi. This device is part of the Power Management (PMIC) category and is housed in a 7SOIC package, making it suitable for surface mount applications. Despite being marked as obsolete, the NCP1246BLD100R2G remains a robust solution for various power conversion needs.

NCP1246BLD100R2G Features

• Topology: The NCP1246BLD100R2G employs a flyback topology, which is ideal for isolated power supplies and offers high efficiency and reliability.
• Mounting Type: Surface mount technology (SMT) allows for compact and space-efficient designs, making it suitable for modern electronics where space is a premium.
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting, overload, over power, over temperature, and over voltage protection, ensure the device's longevity and reliability.
• Frequency - Switching: A switching frequency of 100kHz allows for high efficiency and reduced component size, contributing to a compact design.
• Voltage - Start Up: A start-up voltage of 12V ensures reliable operation under various input conditions.
• Duty Cycle: An 80% duty cycle provides efficient power conversion, minimizing energy loss and heat generation.
• Voltage - Supply (Vcc/Vdd): The wide input voltage range of 8.9V to 28V makes the device versatile and suitable for a variety of applications.
• Output Isolation: Isolated output ensures safety and reliability, particularly in applications where galvanic isolation is required.
• Compliance: The device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level (MSL): An MSL of 1 (unlimited) indicates that the device is highly resistant to moisture, enhancing its durability and reliability in various environmental conditions.

NCP1246BLD100R2G Applications

The NCP1246BLD100R2G is ideal for applications requiring isolated power supplies, such as:

• Adapters and Chargers: Efficient power conversion and isolation make it suitable for consumer electronics chargers and adapters.
• Telecommunications: Reliable and efficient power management is crucial in telecom equipment, where the device can provide stable power to various components.
• Industrial Equipment: The robust design and comprehensive protection features make it ideal for industrial applications where reliability and safety are paramount.
• Medical Devices: The isolated output and compliance with environmental standards make it suitable for medical equipment where safety and reliability are critical.

Conclusion of NCP1246BLD100R2G

The NCP1246BLD100R2G is a versatile and reliable offline switch flyback IC, offering comprehensive fault protection, high efficiency, and a wide input voltage range. Despite its obsolete status, its robust design and compliance with environmental standards make it a valuable solution for various power management applications. Its compact surface mount package and isolated output further enhance its suitability for modern electronics, making it an ideal choice for designers and engineers in need of a reliable power management solution.