MC33262P

### MC33262P Description The MC33262P is a power factor correction (PFC) controller designed for critical conduction mode (CRM) applications. Manufactured by onsemi, this device is housed in an 8-pin dual in-line package (DIP) and is packaged in a tube. With a supply voltage range of 12V to 28V, the MC33262P is suitable for a wide range of power supply applications. Although the product status is marked as obsolete, it remains a popular choice for its unique features and performance benefits. ### MC33262P Features - **Critical Conduction Mode (CRM) Operation**: The MC33262P operates in CRM, which allows for high power factor and low total harmonic distortion, improving overall power efficiency. - **12V to 28V Supply Voltage Range**: The wide supply voltage range makes the MC33262P suitable for various power supply applications, providing flexibility in design. - **250 µA Startup Current**: The low startup current reduces power consumption during initial power-up, contributing to energy efficiency. - **Through-Hole Mounting Type**: The through-hole mounting type offers robust mechanical support and ease of assembly, making it suitable for various PCB designs. - **REACH Unaffected Status**: The MC33262P is not affected by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulations, ensuring compliance with environmental standards. - **Moisture Sensitivity Level (MSL) 1**: With an MSL of 1, the MC33262P can be stored for an unlimited time without baking, simplifying inventory management. ### MC33262P Applications The MC33262P is ideal for a variety of power supply applications, including: 1. **AC-DC Power Supplies**: The MC33262P can be used in AC-DC power supplies to improve power factor and reduce harmonic distortion, making it suitable for applications such as computer power supplies, chargers, and lighting systems. 2. **Industrial Power Systems**: In industrial power systems, the MC33262P can help achieve high efficiency and power factor, reducing energy consumption and improving overall system performance. 3. **Telecom Power Systems**: The MC33262P can be used in telecom power systems to ensure reliable and efficient power delivery, critical for maintaining uninterrupted communication services. ### Conclusion of MC33262P Despite being marked as obsolete, the MC33262P remains a popular choice for power factor correction applications due to its unique features and performance benefits. Its wide supply voltage range, low startup current, and REACH unaffected status make it suitable for a variety of power supply applications. While it may be necessary to consider alternative models for new designs, the MC33262P continues to be a reliable option for existing systems and applications where high power factor and efficiency are critical.