onsemi

MC34262DG

MC34262DG Description

The MC34262DG is a Power Factor Correction (PFC) controller designed for critical conduction mode (CRM) applications. Manufactured by onsemi, this IC is housed in an 8SOIC package and is suitable for surface mount applications. The MC34262DG operates within a supply voltage range of 12V to 28V and is rated for an operating temperature range of 0°C to 85°C. It features a low startup current of 250 µA, making it energy-efficient and suitable for a variety of power management applications. Despite its obsolescence, the MC34262DG remains a reliable choice for specific power management needs.

MC34262DG Features

The MC34262DG offers several key features that set it apart from similar models:

• Critical Conduction Mode (CRM): This mode ensures efficient power factor correction by operating the inductor in discontinuous conduction mode, which reduces switching losses and enhances overall efficiency.
• Wide Operating Voltage Range: The 12V to 28V supply voltage range makes it versatile for various power supply designs, accommodating different input voltage requirements.
• Low Startup Current: With a startup current of only 250 µA, the MC34262DG minimizes power consumption during startup, contributing to energy efficiency.
• Surface Mount Compatibility: The surface mount design allows for easy integration into compact and high-density PCB layouts.
• Moisture Sensitivity Level (MSL) 1: This rating indicates that the component is not moisture-sensitive, ensuring reliability and longevity in various environmental conditions.
• REACH Unaffected: Compliance with REACH regulations ensures that the MC34262DG is free from hazardous substances, making it suitable for environmentally conscious applications.

MC34262DG Applications

The MC34262DG is ideal for a range of applications requiring efficient power factor correction:

• Power Supplies: Suitable for AC-DC power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Energy-Efficient Appliances: Ideal for appliances that require high efficiency and low standby power consumption, such as refrigerators, washing machines, and air conditioners.
• Industrial Equipment: Can be used in industrial applications where reliable power management and efficient power factor correction are crucial.
• Telecommunications: Suitable for power supplies in base stations and other telecommunication equipment that demand high efficiency and reliability.

Conclusion of MC34262DG

Despite being marked as obsolete, the MC34262DG remains a robust solution for power factor correction in critical conduction mode applications. Its wide operating voltage range, low startup current, and surface mount compatibility make it a versatile choice for various power management needs. The MC34262DG's compliance with REACH regulations and its moisture sensitivity level of 1 further enhance its reliability and suitability for diverse applications. For designers seeking a reliable and efficient PFC controller, the MC34262DG continues to be a valuable option.