ON Semiconductor NCP1654BD Power Factor Correction Controller

The ON Semiconductor NCP1654BD is a highly-integrated Power Factor Correction (PFC) controller designed for use in compact and efficient power supply units. This advanced controller is engineered to facilitate the design of power circuits that adhere to stringent energy-saving standards, making it an ideal choice for applications in consumer electronics, office equipment, and industrial systems.

Key Features

• Continuous Conduction Mode (CCM) Operation: The NCP1654BD operates in Continuous Conduction Mode, which is optimal for systems that require a high power factor and low THD (Total Harmonic Distortion).
• High Integration: With built-in features such as a startup current source, a high-voltage startup, and a high-voltage current source for brown-out detection, the NCP1654BD minimizes the need for external components and simplifies the design process.
• Frequency Foldback: To enhance efficiency under light-load conditions, the controller employs frequency foldback technology, which reduces switching losses by decreasing the switching frequency.
• Protection Features: Comprehensive protection features include overvoltage protection, brownout detection, and a disable function, ensuring the safety and reliability of the power supply.

Applications

The versatility of the NCP1654BD allows it to be used in a wide range of applications, including:

• AC-DC Adapters for Notebooks
• Flat Panel Television Power Supplies
• Desktop Computers
• Offline Battery Chargers
• Standby Power Supplies

Technical Specifications

The NCP1654BD is designed to operate over a wide supply voltage range and is available in a compact SOIC-8 package. Its precision voltage reference and on-chip loop compensation enable the design of a robust power supply with minimal external components.

Environmental Compliance

ON Semiconductor is committed to environmental stewardship. The NCP1654BD is manufactured in compliance with RoHS directives, ensuring a reduced environmental impact by restricting the use of hazardous substances.

With its advanced features and compliance with energy efficiency standards, the ON Semiconductor NCP1654BD stands out as a smart choice for designers looking to create high-performance, eco-friendly power solutions.