The NCP1251FSN65T1G is a highly efficient PWM controller from ON Semiconductor that is designed to meet the stringent requirements of today's power conversion applications. This versatile component is ideal for use in AC-DC adapters, offline battery chargers, and a range of other power supply solutions.

Key Features

• Adjustable Switching Frequency: The NCP1251FSN65T1G offers an adjustable switching frequency that can be set from 65 kHz up to 130 kHz, allowing designers to optimize the power supply for efficiency or for component size.
• Auto-Recovery Overcurrent Protection: This device includes an innovative overcurrent protection mechanism that automatically recovers, helping to ensure the longevity and reliability of the power supply.
• Brown-Out Protection: The controller is equipped with brown-out protection, which helps to prevent operation under potentially damaging low voltage conditions.
• Frequency Foldback: To improve efficiency at light loads, the NCP1251FSN65T1G features frequency foldback, reducing switching losses when the load decreases.
• GreenPoint® Technology: Incorporating ON Semiconductor's GreenPoint® technology, the controller is designed for energy-efficient operation, helping to achieve low standby power consumption in the end application.

Applications

The NCP1251FSN65T1G is versatile and can be used in a variety of applications, including:

• AC-DC Adapters for Laptops and Mobile Devices
• Offline Battery Chargers
• Standby and Auxiliary Power Supplies
• LED Lighting Drivers
• Telecom and Networking Power Supplies

Quality and Environmental Compliance

ON Semiconductor is committed to providing environmentally friendly solutions. The NCP1251FSN65T1G is compliant with RoHS (Restriction of Hazardous Substances) and is lead-free, ensuring it meets global environmental standards and regulations.

Availability

The NCP1251FSN65T1G is available in a small footprint package, making it suitable for compact designs. It is also available in tape and reel packaging for streamlined manufacturing and assembly processes.