onsemi

NCP1937A3DR2G

NCP1937A3DR2G Description

The NCP1937A3DR2G is a high-performance Power Factor Correction (PFC) controller designed for critical conduction mode (CRM) operation. Manufactured by onsemi, this IC is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 20-lead SOIC package. It is ideal for applications requiring efficient power management and compliance with stringent industry standards.

NCP1937A3DR2G Features

• Operating Mode: The NCP1937A3DR2G operates in Critical Conduction Mode (CRM), which ensures high efficiency across a wide range of input voltages and load conditions. This mode of operation helps in reducing the total harmonic distortion (THD) and improving the power factor.
• Wide Input Voltage Range: With a supply voltage range of 9V to 30V, the NCP1937A3DR2G is suitable for various power supply applications, providing flexibility and robustness.
• Surface Mount Technology: The surface mount package type ensures ease of integration into modern PCB designs, enhancing the reliability and compactness of the end product.
• Compliance and Standards: The NCP1937A3DR2G is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious designs. It also adheres to the EAR99 Export Control Classification Number (ECCN) and falls under the HTSUS code 8542.39.0001.
• Low Startup Current: The low startup current of 20 mA ensures minimal power consumption during the initial phase, contributing to overall energy efficiency.
• Packaging and Handling: The Tape & Reel (TR) packaging ensures easy handling and storage, making it suitable for automated assembly processes.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the NCP1937A3DR2G can be safely stored and handled without the need for special moisture protection measures.

NCP1937A3DR2G Applications

The NCP1937A3DR2G is well-suited for a variety of applications that demand high efficiency and power factor correction. Some specific use cases include:

• Power Supplies: Ideal for AC-DC power supplies in consumer electronics, industrial equipment, and telecom infrastructure.
• Energy-Efficient Appliances: Suitable for appliances that require compliance with energy efficiency standards, such as refrigerators, washing machines, and air conditioners.
• Telecom Equipment: Can be used in telecom power systems where high efficiency and power factor correction are crucial for reducing operational costs.
• Renewable Energy Systems: Applicable in solar inverters and wind turbines where power quality and efficiency are paramount.

Conclusion of NCP1937A3DR2G

The NCP1937A3DR2G stands out as a reliable and efficient PFC controller, offering significant advantages over similar models. Its wide input voltage range, low startup current, and compliance with environmental standards make it a versatile choice for a variety of applications. The critical conduction mode operation ensures high efficiency and reduced THD, making it an excellent choice for modern power management solutions. Whether used in consumer electronics, industrial equipment, or renewable energy systems, the NCP1937A3DR2G delivers robust performance and reliability, ensuring that it remains a preferred choice for designers and engineers in the electronics industry.