onsemi

ML4824IP1

ML4824IP1 Description

The ML4824IP1 is a Power Factor Correction (PFC) Integrated Circuit (IC) designed by onsemi, a leading manufacturer in the semiconductor industry. This IC is specifically engineered for applications requiring precise control of average current, ensuring efficient power conversion and compliance with stringent power quality standards. The ML4824IP1 operates with a switching frequency of 76kHz, which is optimized for high efficiency and reduced electromagnetic interference (EMI). It is designed to work within a supply voltage range of 10.5V to 13.2V, making it suitable for a variety of power supply applications.

The ML4824IP1 is housed in a through-hole package, specifically a 16-pin DIP (Dual In-line Package), which is mounted on a tube for easy handling and storage. This packaging type ensures robust mechanical stability and ease of integration into various electronic systems. The IC has a startup current of 700 µA, which is crucial for ensuring reliable operation during the initial power-up phase. Additionally, the ML4824IP1 is classified under the ECCN (Export Control Classification Number) EAR99, indicating that it is not subject to specific export controls, and it is REACH unaffected, ensuring compliance with environmental regulations.

ML4824IP1 Features

• Average Current Mode Control: The ML4824IP1 employs average current mode control, which provides precise regulation of the input current waveform, ensuring high power factor and low total harmonic distortion (THD). This mode of control is particularly advantageous in applications where power quality is critical.
• Wide Supply Voltage Range: The IC operates within a supply voltage range of 10.5V to 13.2V, making it versatile for various power supply designs. This wide range ensures compatibility with different input voltage sources, enhancing the flexibility of the IC in diverse applications.
• High Switching Frequency: With a switching frequency of 76kHz, the ML4824IP1 achieves high efficiency and reduced EMI. This frequency is optimized to balance efficiency and performance, making it suitable for compact and high-performance power supply designs.
• Low Startup Current: The ML4824IP1 has a startup current of 700 µA, which ensures reliable operation during the initial power-up phase. This low startup current minimizes power consumption and enhances the overall efficiency of the power supply system.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into various electronic systems. The 16-pin DIP package is widely used in the industry, making it compatible with standard PCB designs.
• Compliance and Environmental Considerations: The ML4824IP1 is classified under ECCN EAR99 and is REACH unaffected, ensuring compliance with international export controls and environmental regulations. This compliance is crucial for manufacturers aiming to meet global standards and reduce environmental impact.

ML4824IP1 Applications

The ML4824IP1 is ideal for a range of applications where high power factor and efficient power conversion are essential. Some specific use cases include:

• AC-DC Power Supplies: The ML4824IP1 is particularly suited for AC-DC power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure. Its ability to maintain a high power factor ensures compliance with international power quality standards.
• Lighting Systems: In LED lighting systems, the ML4824IP1 can be used to provide efficient power conversion, ensuring high power factor and low THD. This is crucial for meeting energy efficiency standards and reducing overall power consumption.
• Uninterruptible Power Supplies (UPS): The IC can be integrated into UPS systems to provide reliable power factor correction, ensuring efficient operation and compliance with power quality standards during both normal and backup power modes.
• Motor Drives: The ML4824IP1 can be used in motor drive applications to ensure efficient power conversion and high power factor, reducing energy losses and enhancing overall system performance.

Conclusion of ML4824IP1

The ML4824IP1 is a versatile and efficient Power Factor Correction IC designed to meet the demands of modern power supply systems. Its average current mode control, wide supply voltage range, and high switching frequency make it an ideal choice for applications requiring precise power factor correction and efficient power conversion. The through-hole mounting type and 16-pin DIP package ensure ease of integration and compatibility with standard PCB designs. Compliance with international standards and environmental regulations further enhances its suitability for a wide range of applications. While the ML4824IP1 is now considered obsolete, it remains a reliable option for existing designs and legacy systems, ensuring continued performance and reliability.