The NCP1653APG from ON Semiconductor is a highly integrated and efficient power factor correction (PFC) controller designed for use in a wide range of applications requiring power factor improvement. This advanced IC is engineered to facilitate the development of robust and compact PFC circuits, making it an ideal choice for applications such as switched-mode power supplies, lighting systems, and AC-DC adapters.

Key Features

• Continuous Conduction Mode (CCM): The NCP1653APG operates in Continuous Conduction Mode, ensuring reduced THD and improved power factor, making it suitable for high-power applications.
• High Integration: This controller integrates functions such as the error amplifier, the multiplier/divider, a current sense comparator, and a totem-pole output stage, which minimizes the number of external components required.
• Wide Supply Voltage Range: With an operating range that accommodates bulk voltages from 9 V to 35 V, the NCP1653APG is versatile for various global AC input voltages.
• Frequency Modulation: The device features frequency modulation to reduce Electromagnetic Interference (EMI), allowing for easier compliance with regulatory standards.
• Protection Features: It includes numerous protection features such as overvoltage, undervoltage lockout, and overcurrent protection, enhancing system reliability and safety.

Applications

• AC-DC Adapters for Laptops and Personal Computers
• Televisions and Monitors with Power Factor Correction
• Lighting Systems including LED and Fluorescent Lighting
• Power Supplies for Audio/Video Equipment

Technical Specifications

• Package: PDIP-8
• Topology: Boost
• Switching Frequency: Up to 250 kHz
• Operating Temperature Range: -40°C to +125°C

The NCP1653APG is a testament to ON Semiconductor's commitment to providing innovative solutions that enhance energy efficiency and performance. Its combination of features and protections makes it a robust and reliable choice for designers looking to implement effective power factor correction in their power supply designs.