ON Semiconductor NCP1652DR2G Power Factor Correction Controller

The ON Semiconductor NCP1652DR2G is a highly integrated and efficient power factor correction (PFC) controller designed to meet the needs of modern power supply systems. This advanced controller is tailored for continuous conduction mode (CCM) boost PFC applications, providing a cost-effective solution for AC-DC converters that require low total harmonic distortion and high power factor.

The NCP1652DR2G is characterized by its ease of use and flexibility, making it an ideal choice for applications such as off-line power supplies for consumer electronics, power adapters, and other medium to high-power applications that demand energy efficiency and compliance with regulatory standards such as the EN61000-3-2.

Key Features:

• Integrated High-Voltage Startup: This feature enables the device to quickly power up and begin operation without the need for external resistors, reducing power loss and simplifying the design.
• Low Operating Current: The NCP1652DR2G boasts a low quiescent current, which enhances the overall efficiency of the power supply and contributes to energy savings.
• Current-Mode Control: The device uses current-mode control to provide excellent transient response and simplified loop compensation.
• Adjustable Output Overvoltage Protection: This safety feature prevents damage to the controller and the power supply in the event of an overvoltage condition.
• Internal Ramp Compensation: This built-in compensation improves the stability of the PFC stage across a wide range of input voltages and output loads.
• Brownout Protection: The NCP1652DR2G protects the power supply from undervoltage conditions, ensuring reliable operation during voltage sags.

Package and Availability:

The NCP1652DR2G is offered in a compact SOIC-8 package, which is ideal for space-constrained applications. Its small footprint allows for more efficient use of PCB space, while still providing robust power management capabilities.

ON Semiconductor's commitment to quality and performance is evident in the NCP1652DR2G PFC controller. With its comprehensive feature set and high level of integration, this device is positioned as a leading solution for designers looking to enhance the efficiency and performance of their power supply systems.