onsemi

ML4821CS

ML4821CS Description

The ML4821CS is a Power Factor Correction (PFC) IC designed for high-efficiency power conversion applications. Manufactured by onsemi, this device operates within a temperature range of 0°C to 70°C, making it suitable for a variety of environments. The ML4821CS features an average current mode control, ensuring stable and efficient power delivery. It supports a switching frequency of 1MHz, which allows for compact design and high power density. The supply voltage range of 12V to 18V provides flexibility in power supply configurations. The device is packaged in a tube format, which is ideal for surface mount applications, ensuring ease of integration into modern electronics.

ML4821CS Features

• Operating Temperature: 0°C to 70°C, ensuring reliability across a wide range of operating conditions.
• Mode: Average Current Mode, providing precise control and stability in power conversion.
• Frequency - Switching: 1MHz, enabling high-frequency operation for compact and efficient designs.
• Voltage - Supply: 12V to 18V, offering flexibility in power supply requirements.
• Current - Startup: 600 µA, ensuring low power consumption during startup.
• Mounting Type: Surface Mount, facilitating easy integration into PCB designs.
• Package: Tube, providing robust packaging for handling and storage.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), ensuring the device is not affected by moisture during storage and handling.
• ECCN: EAR99, indicating compliance with export regulations.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.

ML4821CS Applications

The ML4821CS is ideal for applications requiring high efficiency and compact design. Its average current mode control and 1MHz switching frequency make it suitable for:

• Power Supplies: In high-efficiency power supplies for consumer electronics, servers, and industrial equipment.
• Telecommunications: For compact and efficient power conversion in telecom infrastructure.
• Consumer Electronics: In devices such as TVs, monitors, and other appliances where space and efficiency are critical.
• Industrial Equipment: In power supplies for industrial control systems and machinery.

Conclusion of ML4821CS

The ML4821CS from onsemi is a versatile Power Factor Correction IC that offers high efficiency and compact design. Its average current mode control and 1MHz switching frequency make it an excellent choice for a variety of applications, from consumer electronics to industrial equipment. The device's wide operating temperature range and surface mount packaging ensure ease of integration and reliability. Although the product is now obsolete, it remains a testament to onsemi's commitment to providing high-quality, efficient power conversion solutions.