Texas Instruments

UCC2818DWTRG4

UCC2818DWTRG4 Description

The UCC2818DWTRG4 is a power factor correction (PFC) integrated circuit (IC) designed by Texas Instruments. This IC is specifically designed for average current mode control, offering a wide switching frequency range of 6kHz to 220kHz. It operates with a supply voltage range of 12V to 17V, making it suitable for various power supply applications. Despite being classified as obsolete, the UCC2818DWTRG4 still offers significant performance benefits and is compliant with the latest industry standards, including RoHS3 and REACH unaffected status.

UCC2818DWTRG4 Features

• Average Current Mode Control: Provides stable and efficient power conversion.
• Wide Switching Frequency Range: 6kHz to 220kHz allows for flexible design options.
• Supply Voltage Range: 12V to 17V ensures compatibility with a broad spectrum of power supplies.
• Low Startup Current: 150 µA helps in reducing power consumption during startup.
• Surface Mount Technology: Facilitates integration into compact and space-constrained designs.
• RoHS3 Compliance: Ensures environmental compliance and adherence to global regulations.
• REACH Unaffected Status: Indicates that the product does not contain any substances of very high concern (SVHCs) listed under the European REACH regulation.
• Moisture Sensitivity Level (MSL) 2: Provides a 1-year protection against moisture-induced damage when stored properly.

UCC2818DWTRG4 Applications

The UCC2818DWTRG4 is ideal for applications where power efficiency and stability are paramount. Some specific use cases include:

• Power Supply Units (PSUs): For computers, servers, and other electronic devices requiring efficient power conversion.
• LED Lighting: To improve the power factor and efficiency of LED lighting systems.
• Industrial Control Systems: In applications requiring precise power control and regulation.
• Telecommunications Equipment: For power management in base stations and other telecom infrastructure.

Conclusion of UCC2818DWTRG4

While the UCC2818DWTRG4 is considered obsolete, it remains a robust solution for power factor correction in various electronic systems. Its wide frequency range, low startup current, and compliance with environmental regulations make it a suitable choice for designers looking for a reliable and efficient PFC IC. Despite its age, the UCC2818DWTRG4 continues to offer performance benefits that meet the demands of modern power supply applications.