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ML4801IP

ML4801IP Description

The ML4801IP from onsemi is a highly efficient Power Factor Correction (PFC) and Pulse Width Modulation (PWM) controller designed to enhance power conversion efficiency and performance in a variety of electronic applications. This device operates in Average Current mode, ensuring precise control over the current flow, which is essential for maintaining high power factor and reducing harmonic distortion. The ML4801IP is engineered for robust performance, with a switching frequency of 76 kHz, which allows for efficient power conversion while minimizing electromagnetic interference (EMI).

ML4801IP Features

• Operating Mode: The ML4801IP operates in Average Current mode, providing superior control over the current waveform and ensuring high power factor correction. This mode of operation is particularly beneficial in applications requiring high efficiency and low harmonic distortion.
• Supply Voltage Range: The device supports a wide supply voltage range of 11V to 16.5V, making it suitable for a variety of power supply designs. This wide range ensures compatibility with different input voltage sources, enhancing the flexibility of the device.
• Low Startup Current: With a startup current of only 200 µA, the ML4801IP is designed to minimize power consumption during startup, contributing to overall system efficiency.
• Through Hole Mounting: The through-hole mounting type ensures mechanical stability and reliability, making it ideal for applications where robust physical connection is required.
• Compliance and Packaging: The ML4801IP is REACH unaffected and falls under the ECCN classification of EAR99, ensuring compliance with international regulations. The bulk packaging option facilitates efficient handling and storage.
• Moisture Sensitivity Level: The moisture sensitivity level (MSL) is vendor-defined, ensuring that the device is protected from moisture-related damage during storage and handling.

ML4801IP Applications

The ML4801IP is well-suited for a range of applications where high power factor correction and efficient power conversion are critical. These applications include:

• Power Supplies: Ideal for AC-DC power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Motor Drives: Enhances the efficiency and performance of motor drives by providing precise control over the power factor.
• Solar Inverters: Improves the efficiency of solar inverters by ensuring high power factor and reducing harmonic distortion.
• Uninterruptible Power Supplies (UPS): Ensures reliable power conversion in UPS systems, maintaining high efficiency and power quality.

Conclusion of ML4801IP

The ML4801IP from onsemi stands out as a versatile and efficient PFC/PWM controller, offering significant advantages over similar models. Its average current mode operation, wide supply voltage range, and low startup current make it a reliable choice for applications requiring high efficiency and power quality. The through-hole mounting and bulk packaging options further enhance its suitability for various industrial and consumer applications. Whether used in power supplies, motor drives, solar inverters, or UPS systems, the ML4801IP delivers robust performance and compliance with international standards, making it a valuable component in modern power conversion designs.