The MC33368DR2 from ON Semiconductor is a cutting-edge power factor controller designed for use in switch-mode power supplies (SMPS), electronic ballasts, and other power conversion applications. This high-performance integrated circuit (IC) is part of ON Semiconductor's GreenLine™ series, which is renowned for its energy efficiency and compliance with global energy-saving standards.

Key Features:

• High-Voltage Startup: This device features a high-voltage startup circuit that enables the IC to operate directly from the rectified AC line voltage, increasing the overall efficiency of the system.
• Low Power Standby Mode: The MC33368DR2 incorporates a low power standby mode that significantly reduces power consumption when the device is not in active operation, contributing to energy savings.
• Active Power Factor Correction: It is designed to provide active power factor correction, which ensures that the power supply operates at a near-unity power factor, reducing harmonic distortion in the power line and improving energy efficiency.
• Programmable Oscillator Frequency: The oscillator frequency is programmable, allowing designers to tailor the performance of the power supply to specific application requirements.
• Protection Features: The device includes a range of protection features such as under-voltage lockout (UVLO), over-voltage protection (OVP), and a leading-edge blanking circuit that enhances the reliability and longevity of the power supply.

Applications:

The MC33368DR2 is ideal for a variety of applications, including:

• High-efficiency AC-DC power supplies
• Power supplies for desktop and laptop computers
• Electronic ballasts for fluorescent lighting
• Industrial power systems requiring power factor correction

Package and Availability:

The device is available in an SOIC-16 narrow body package, making it suitable for compact PCB layouts. The MC33368DR2 is part of ON Semiconductor's commitment to providing environmentally friendly, energy-efficient solutions for power management challenges.