Texas Instruments

UCC2818DWTR

UCC2818DWTR Description

The UCC2818DWTR is a high-performance, average current mode, power factor correction (PFC) controller designed for high-power applications. Manufactured by Texas Instruments, this device offers a wide range of features and benefits that make it an ideal choice for various power conversion applications. With a switching frequency range of 6kHz to 220kHz and a supply voltage range of 12V to 17V, the UCC2818DWTR provides excellent performance and flexibility.

UCC2818DWTR Features

• Average Current Mode Control: The UCC2818DWTR operates in average current mode, which provides better stability and transient response compared to peak current mode controllers.
• Wide Switching Frequency Range: The device offers a switching frequency range of 6kHz to 220kHz, allowing for design flexibility and optimization of component sizes.
• Wide Supply Voltage Range: The UCC2818DWTR can operate with a supply voltage range of 12V to 17V, making it suitable for a variety of applications.
• Low Startup Current: The device has a low startup current of 150 µA, which helps reduce power consumption during startup.
• RoHS Compliance: The UCC2818DWTR is compliant with the RoHS3 directive, ensuring environmental compliance in electronic products.
• REACH Unaffected: The device is not affected by the REACH regulation, which restricts the use of certain hazardous substances in electronic products.
• Surface Mount Package: The UCC2818DWTR is available in a surface mount package, which is ideal for high-density PCB designs.
• Tape & Reel Packaging: The device is packaged in a tape & reel format, which is suitable for automated assembly processes.

UCC2818DWTR Applications

The UCC2818DWTR is ideal for a variety of high-power applications, including:

1. AC-DC Power Supplies: The device can be used in AC-DC power supplies for applications such as computer power supplies, telecom equipment, and industrial control systems.
2. Battery Chargers: The UCC2818DWTR can be used in battery chargers for electric vehicles, laptops, and other portable devices.
3. UPS Systems: The device is suitable for uninterruptible power supply (UPS) systems, providing reliable backup power for critical applications.
4. LED Lighting: The UCC2818DWTR can be used in LED lighting applications, providing efficient power conversion and control.

Conclusion of UCC2818DWTR

The UCC2818DWTR is a versatile and high-performance PFC controller that offers a wide range of features and benefits for high-power applications. Its average current mode control, wide switching frequency range, and low startup current make it an ideal choice for AC-DC power supplies, battery chargers, UPS systems, and LED lighting applications. With its RoHS compliance and REACH unaffected status, the UCC2818DWTR is an environmentally friendly solution for power conversion applications.