onsemi

NCP1126BP100G

NCP1126BP100G Description

The NCP1126BP100G is an offline switch flyback converter IC designed for AC-DC conversion applications. Manufactured by onsemi, this device is part of the NCP1126 family and is housed in a 7DIP package. It features an internal with switch a breakdown voltage of 650V, making it suitable for high-voltage applications. The NCP1126BP100G operates with a switching frequency of 100kHz and offers a wide input voltage range of 8.5V to 35V. It is designed to provide isolated output and has a maximum power output of 32 watts. The device also includes comprehensive fault protection mechanisms such as current limiting, over-temperature, over-voltage, and short-circuit protection. Despite its obsolete status, the NCP1126BP100G remains a robust choice for applications requiring reliable and efficient power conversion.

NCP1126BP100G Features

• Internal Switch: Equipped with an internal switch, the NCP1126BP100G simplifies circuit design by integrating the power switch into the IC.
• High Breakdown Voltage: A 650V breakdown voltage ensures the device can handle high-voltage inputs, making it ideal for applications with wide input voltage ranges.
• Wide Input Voltage Range: The 8.5V to 35V supply voltage range provides flexibility and compatibility with various power sources.
• Isolated Output: The isolated output topology ensures safety and reliability in applications where galvanic isolation is required.
• Comprehensive Fault Protection: Features such as current limiting, over-temperature, over-voltage, and short-circuit protection enhance the device's reliability and longevity.
• High Switching Frequency: Operating at 100kHz, the NCP1126BP100G allows for smaller and more efficient transformer designs.
• High Duty Cycle: A maximum duty cycle of 80% ensures efficient power transfer and minimal loss energy.
• Compliance and Reliability: The NCP1126BP100G is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

NCP1126BP100G Applications

The NCP1126BP100G is ideal for a variety of applications that require efficient and reliable power conversion. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as televisions, monitors, and other consumer electronics where high-voltage inputs and isolated outputs are necessary.
• Industrial Equipment: Suitable for industrial applications requiring robust power conversion and protection features.
• Power Supplies: Can be used in power supply units (PSUs) for various electronic devices, ensuring stable and efficient power delivery.
• Adapters and Chargers: Effective in designing adapters and chargers that need to handle a wide range of input voltages and provide isolated outputs.

Conclusion of NCP1126BP100G

The NCP1126BP100G is a versatile and reliable offline switch flyback converter IC from onsemi. Despite being marked as obsolete, its robust features and wide input voltage range make it a valuable component for applications requiring high-voltage inputs and isolated outputs. The comprehensive fault protection mechanisms ensure the device's longevity and reliability, making it a preferred choice for engineers designing power conversion circuits. Its compliance with environmental and safety standards further enhances its suitability for modern electronics manufacturing.