Texas Instruments

UCC3818PW  

Power Factor Correction ICs

UCC3818PW Description

The UCC3818PW is a high-performance Power Factor Correction (PFC) controller IC designed by Texas Instruments. This IC is specifically engineered to enhance the efficiency and reliability of power conversion systems by providing precise control over the average current in PFC applications. The UCC3818PW operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and consumer electronics environments. It features an average current mode control, ensuring stable and efficient power delivery across varying load conditions.

The UCC3818PW is housed in a surface-mount package, specifically a 16-lead TSSOP, which is ideal for compact and high-density PCB designs. Its switching frequency ranges from 6kHz to 220kHz, allowing designers to optimize the trade-off between efficiency and electromagnetic interference (EMI). The IC operates with a supply voltage between 12V and 17V, ensuring compatibility with a variety of power supply systems. Additionally, the UCC3818PW has a low startup current of 150 µA, which minimizes power consumption during the initial power-up phase.

UCC3818PW Features

• Average Current Mode Control: Ensures precise control over the average current, leading to improved power factor correction and reduced harmonic distortion.
• Wide Operating Temperature Range: Suitable for applications in diverse environments, from 0°C to 70°C.
• Surface-Mount Package: The 16-lead TSSOP package is ideal for compact designs and high-density PCB layouts.
• Flexible Switching Frequency: A range of 6kHz to 220kHz allows for optimization of efficiency and EMI performance.
• Low Startup Current: 150 µA startup current minimizes power consumption during initial power-up.
• Compliance with Industry Standards: The UCC3818PW is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Last Time Buy Status: This product is in its final production phase, making it a valuable option for existing designs that require continued support.

UCC3818PW Applications

The UCC3818PW is well-suited for a variety of applications where high efficiency and precise power factor correction are critical. These applications include:

• AC-DC Power Supplies: Ideal for power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Uninterruptible Power Supplies (UPS): Enhances the reliability and efficiency of UPS systems by providing accurate PFC control.
• Motor Drives: Ensures efficient power delivery and control in motor drive applications, contributing to energy savings and improved performance.
• Power Converters: Suitable for various power conversion systems where high efficiency and low EMI are essential.

Conclusion of UCC3818PW

The UCC3818PW is a robust and versatile PFC controller IC that offers significant advantages over similar models. Its average current mode control, wide operating temperature range, and flexible switching frequency make it an excellent choice for a variety of applications. The low startup current and compliance with industry standards further enhance its appeal. While the UCC3818PW is in its final production phase, it remains a valuable component for existing designs that require continued support. Texas Instruments' commitment to quality and performance ensures that the UCC3818PW will continue to meet the needs of engineers and designers in the electronics industry.

UCC3818PW Documents

Download datasheets and manufacturer documentation for UCC3818PW

EOL :

Product Discontinuance Notification 2024-04-05 (PDF)       Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

Models :

UCC3818PW Symbol & Footprint by SnapMagic