The NCP1247AD100R2G is an integrated circuit (IC) component designed for offline switching power supplies in applications such as adapters, chargers, and small power supplies. It is manufactured by ON Semiconductor.
This IC incorporates a wealth of features that enable it to deliver efficient and reliable performance in power supply designs. Some of its key features are as follows:
1. Green Mode Control: The NCP1247AD100R2G uses a green mode control technique, which improves efficiency during standby mode by reducing the power consumption. This feature makes it an excellent choice for energy-conscious applications.
2. Integrated High-Voltage Startup: This IC integrates a high-voltage startup circuitry, eliminating the need for an external startup resistor. This reduces component count and saves PCB space, making designs more compact and cost-effective.
3. Frequency Foldback Function: The frequency foldback function is an important characteristic that protects the power supply in case of output short circuits or overloads. This feature helps prevent damage to the power supply and ensures its long-term reliability.
4. Burst Mode Operation: The NCP1247AD100R2G utilizes burst mode operation under light load conditions, which significantly reduces power consumption and enhances overall efficiency. This feature is especially crucial for power supplies that operate in standby or idle mode for extended periods
