Texas Instruments

UCC2818D  

Power Factor Correction ICs

UCC2818D Description

The UCC2818D from Texas Instruments is a high-performance average current-mode power factor correction (PFC) controller designed for active power factor correction in AC/DC power supplies. Packaged in a 16-SOIC surface-mount format, it operates within a 12V to 17V supply range and supports switching frequencies from 6kHz to 220kHz, making it versatile for a wide range of power conversion applications. With a low startup current of 150 µA, it ensures efficient power management while complying with ROHS3 and REACH environmental standards.

UCC2818D Features

• Average Current-Mode Control: Ensures high power factor (>0.99) and low THD (total harmonic distortion) for compliance with global efficiency standards.
• Wide Frequency Range (6kHz–220kHz): Enables flexible design optimization for efficiency and component size.
• Low Startup Current (150 µA): Reduces standby power consumption, ideal for energy-sensitive applications.
• Surface-Mount (SOIC-16) Package: Compact and suitable for automated PCB assembly.
• Robust Protection: Includes features like overvoltage protection (OVP) and undervoltage lockout (UVLO) for system reliability.
• RoHS3 & REACH Compliant: Meets stringent environmental regulations.

UCC2818D Applications

The UCC2818D excels in high-efficiency power supplies, including:

• Server & Telecom Power Systems: Ensures compliance with 80 PLUS Titanium and other efficiency standards.
• Industrial AC/DC Converters: Improves power quality in motor drives and automation equipment.
• LED Lighting Drivers: Enhances power factor in high-brightness LED applications.
• Consumer Electronics: Used in adapters and chargers requiring low harmonic distortion.

Conclusion of UCC2818D

The UCC2818D stands out as a highly efficient, reliable PFC controller with advanced features like average current-mode control and ultra-low startup current. Its wide operating frequency range and compliance with global environmental standards make it a preferred choice for modern power supply designs. Whether for industrial, telecom, or consumer applications, the UCC2818D delivers superior power factor correction while minimizing energy waste.

UCC2818D Documents

Download datasheets and manufacturer documentation for UCC2818D

Datasheets :

UCC2817/18, UCC3817/18      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018