Texas Instruments

UCC3818DWTR  

Power Factor Correction ICs

UCC3818DWTR Description

The UCC3818DWTR is a high-performance Power Factor Correction (PFC) IC designed by Texas Instruments. This device is specifically engineered to enhance the efficiency and reliability of power conversion systems. Operating within a temperature range of 0°C to 70°C, the UCC3818DWTR is suitable for a variety of industrial and consumer applications. It features an average current mode control scheme, which ensures precise regulation and stability across a wide range of load conditions. The IC supports a switching frequency range of 6kHz to 220kHz, allowing designers to optimize their power supply designs for size, efficiency, and performance. With a supply voltage range of 12V to 17V, the UCC3818DWTR is versatile and can be used in various power supply architectures. The device is packaged in a surface-mount 16SOIC format, making it ideal for compact and high-density designs. The UCC3818DWTR is also RoHS3 compliant and REACH unaffected, ensuring it meets the latest environmental and regulatory standards.

UCC3818DWTR Features

• Operating Temperature Range: 0°C to 70°C, ensuring reliable performance in a variety of environmental conditions.
• Average Current Mode Control: Provides precise regulation and stability, enhancing the overall efficiency of the power conversion process.
• Switching Frequency Range: 6kHz to 220kHz, offering flexibility in design optimization for efficiency and size.
• Supply Voltage Range: 12V to 17V, making it suitable for a wide range of power supply applications.
• Surface-Mount Packaging: 16SOIC format, ideal for compact and high-density designs.
• Low Startup Current: 150 µA, enabling efficient startup and low power consumption during initialization.
• Environmental Compliance: RoHS3 compliant and REACH unaffected, ensuring adherence to stringent environmental regulations.
• Moisture Sensitivity Level (MSL): 2 (1 Year), ensuring the device remains reliable even in high-moisture environments.

UCC3818DWTR Applications

The UCC3818DWTR is ideal for a range of applications where high efficiency and reliability are critical. These include:

• AC-DC Power Supplies: Enhancing the power factor correction in offline power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• Uninterruptible Power Supplies (UPS): Ensuring stable and efficient power delivery during mains power fluctuations.
• Switch-Mode Power Supplies (SMPS): Improving the efficiency and performance of SMPS in various electronic devices.
• Power Adapters: Providing efficient power conversion for portable devices and charging solutions.
• Industrial Power Systems: Ensuring reliable power delivery in industrial applications such as motor drives and control systems.

Conclusion of UCC3818DWTR

The UCC3818DWTR from Texas Instruments stands out as a robust and versatile Power Factor Correction IC. Its wide operating temperature range, average current mode control, and flexible switching frequency make it suitable for a variety of power conversion applications. The surface-mount packaging and low startup current further enhance its appeal for compact and high-density designs. With its environmental compliance and moisture sensitivity level, the UCC3818DWTR ensures reliability and longevity in diverse operating conditions. This IC is an excellent choice for engineers looking to optimize the efficiency and performance of their power supply designs while adhering to stringent environmental standards.

UCC3818DWTR Documents

Download datasheets and manufacturer documentation for UCC3818DWTR

Datasheets :

UCC2817/18, UCC3817/18      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023