Texas Instruments

UCC3817NG4  

Power Factor Correction ICs

UCC3817NG4 Description

The UCC3817NG4 is a high-performance Power Factor Correction (PFC) controller designed for demanding power management applications. Manufactured by Texas Instruments, this IC offers robust performance and reliability, making it an ideal choice for a wide range of power conversion systems. The UCC3817NG4 operates within an ambient temperature range of 0°C to 70°C and is housed in a through-hole package, specifically a tube, ensuring easy integration into various electronic designs.

UCC3817NG4 Features

• Operating Temperature: The UCC3817NG4 is designed to operate within an ambient temperature range of 0°C to 70°C, making it suitable for applications in diverse environments.
• Mode: It operates in average current mode, providing precise control over the current flow, which enhances efficiency and reduces harmonic distortion.
• Frequency - Switching: The controller supports a wide switching frequency range of 6kHz to 220kHz, allowing designers to optimize their system for efficiency and size.
• Voltage - Supply: It operates with a supply voltage range of 12V to 17V, ensuring compatibility with a variety of power supplies.
• Current - Startup: The low startup current of 150 µA minimizes power consumption during the initial phase, contributing to overall system efficiency.
• Compliance: The UCC3817NG4 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations and ensuring safe usage in various industries.
• Package: The through-hole package type and tube packaging format facilitate easy installation and integration into existing circuit boards.
• ECCN: Classified under EAR99, this product complies with export regulations, simplifying international procurement processes.
• HTSUS: The Harmonized Tariff Schedule code 8542.39.0001 facilitates accurate customs classification and compliance.

UCC3817NG4 Applications

The UCC3817NG4 is particularly well-suited for applications requiring high efficiency and power factor correction. Its average current mode control ensures stable operation and reduced Total Harmonic Distortion (THD), making it ideal for:

• AC-DC Power Supplies: Enhances the efficiency and power quality of power supplies used in consumer electronics, industrial equipment, and data centers.
• Uninterruptible Power Supplies (UPS): Provides reliable power factor correction, ensuring stable and efficient operation during power outages.
• Motor Drives: Improves the power quality and efficiency of motor drives, contributing to energy savings and reduced operational costs.
• Solar Inverters: Optimizes the power conversion process in solar inverters, enhancing overall system efficiency and reliability.

Conclusion of UCC3817NG4

The UCC3817NG4 from Texas Instruments stands out as a versatile and reliable PFC controller, offering a comprehensive set of features tailored for high-efficiency power management applications. Its wide operating temperature range, average current mode control, and broad switching frequency range make it a robust solution for various power conversion systems. The low startup current and compliance with environmental regulations further enhance its appeal. Whether used in AC-DC power supplies, UPS systems, motor drives, or solar inverters, the UCC3817NG4 delivers exceptional performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.

UCC3817NG4 Documents

Download datasheets and manufacturer documentation for UCC3817NG4

PCN Assembly/Origin :

Mult Devices Assembly Site 10/Jun/2019      

Datasheets :

UCC2817/18, UCC3817/18      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023