The NCP1244BD100R2G is a cutting-edge PWM controller from ON Semiconductor, renowned for its high performance and energy efficiency in switch mode power supplies (SMPS). This component is particularly designed for AC-DC converters and off-line applications, offering a versatile solution for a range of electronic devices.

Key Features

• Fixed-Frequency Operation: The NCP1244BD100R2G operates at a 100 kHz fixed frequency, providing a stable switching frequency for noise-sensitive applications.
• High-Voltage Startup: Equipped with a high-voltage startup circuit, this controller ensures a quick and efficient power-up sequence directly from the rectified mains.
• Frequency Foldback: To enhance efficiency during light-load conditions, the NCP1244BD100R2G features frequency foldback, which helps to minimize standby power consumption.
• Adjustable Overcurrent Protection: The built-in overcurrent protection can be easily adjusted to suit various application needs, safeguarding the power supply and the load against excessive currents.
• Auto-Recovery Fault Mode: In the event of an overvoltage, overload, or short circuit, the controller enters an auto-recovery fault mode, which helps to prevent damage and ensures reliable operation.

Applications

The NCP1244BD100R2G is ideal for a variety of applications that require efficient and reliable power conversion. It is commonly used in:

• AC-DC adapters for personal electronics
• Standby and auxiliary power supplies
• LED lighting drivers
• Flat-panel television and monitor power supplies
• Green-mode power supplies

Quality and Environmental Compliance

ON Semiconductor is committed to providing environmentally friendly solutions. The NCP1244BD100R2G complies with RoHS (Restriction of Hazardous Substances) and is free of lead, mercury, cadmium, and other materials that pose environmental and health risks. This commitment ensures that the product is suitable for use in a wide range of consumer electronics without compromising on safety and sustainability.