The NCP1246BLD065R2G is a highly integrated PWM controller designed by ON Semiconductor, offering an efficient solution for switched-mode power supplies. This PWM controller stands out for its versatility and is particularly suited for applications such as AC-DC adapters, offline battery chargers, and auxiliary power supplies.

Key Features

• Adjustable Switching Frequency: The device comes with an adjustable switching frequency that allows designers to optimize their systems for efficiency or size by choosing the appropriate external components.
• High-Voltage Startup: Equipped with a high-voltage startup circuit, the NCP1246BLD065R2G can be directly connected to the rectified mains, thus eliminating the need for additional bias winding or external components for startup purposes.
• Auto-Recovery Overcurrent Protection: The controller provides auto-recovery overcurrent protection, which helps to prevent damage to the power supply and the load in the event of an overcurrent condition.
• Brown-Out Protection: The built-in brown-out protection ensures the power supply operates correctly even when input voltage levels drop below a safe threshold, enhancing the reliability of the end application.
• Frequency Foldback: The frequency foldback feature helps to maintain high efficiency and low audible noise across different load conditions.

Applications

• AC-DC Adapters
• Offline Battery Chargers
• Auxiliary Power Supplies
• Open Frame Switching Power Supplies

Product Specifications

The NCP1246BLD065R2G by ON Semiconductor is a robust and reliable choice for designers looking to implement a high-performance power management solution in their electronic devices. Its comprehensive protection features and flexible design options make it a go-to component for a wide range of power supply applications.