The ON Semiconductor MC33368P is a versatile and robust Power Factor Controller (PFC) designed for use in power supply applications that demand high efficiency and power factor correction. As part of ON Semiconductor's GreenLine™ series, the MC33368P is engineered to minimize power loss and improve overall energy efficiency, making it an ideal choice for environmentally conscious applications.

Key Features

• High-Voltage Startup: This device comes with a high-voltage startup circuit that enables the IC to operate directly from the rectified line voltage, eliminating the need for an auxiliary bias winding.
• Low Power Standby Mode: To conserve energy, the MC33368P features a low power standby mode which significantly reduces power consumption when the controller is not actively driving the PFC circuit.
• Minimal External Components: The integrated circuits within the MC33368P reduce the need for external components, simplifying design and reducing overall system cost.
• Current Mode Control: The device employs current mode control for improved transient response, simplified loop compensation, and inherent protection against overcurrent conditions.
• Programmable Switching Frequency: Flexibility is provided with a programmable switching frequency that can be optimized for your specific application requirements.

Applications

The MC33368P is ideal for a wide range of applications where power efficiency is critical. These include:

• Power supplies for personal computers
• Power supplies for consumer electronics
• Industrial power systems
• Power adapters and battery chargers

Environmental Impact and Compliance

ON Semiconductor is committed to environmental stewardship. The MC33368P is designed to meet various international standards for energy efficiency and is compliant with regulations such as RoHS, which restricts the use of certain hazardous substances in electrical and electronic equipment.

Conclusion

The MC33368P from ON Semiconductor represents a powerful solution for designers looking to enhance power factor correction and efficiency in their power supply designs. With its high-voltage capabilities, energy-saving features, and compliance with environmental standards, the MC33368P stands out as a smart choice for energy-conscious applications.