Texas Instruments

UCC3819AD  

Power Factor Correction ICs

UCC3819AD Description

The UCC3819AD is a high-performance Power Factor Correction (PFC) controller IC designed for power management applications. Manufactured by Texas Instruments, this device operates in average current mode and is housed in a surface-mount 16SOIC package. It is specifically engineered to provide efficient power conversion and regulation in a wide range of power supply designs.

UCC3819AD Features

• Operating Temperature Range: The UCC3819AD operates within a temperature range of 0°C to 70°C, making it suitable for applications in standard ambient conditions.
• Average Current Mode: This mode ensures precise control of the inductor current, leading to improved power factor correction and reduced harmonic distortion.
• Switching Frequency: The controller operates at a switching frequency of 250kHz, which allows for high efficiency and compact design of power supplies.
• Supply Voltage Range: The device supports a supply voltage range of 10.8V to 17V, providing flexibility in power supply design.
• Low Startup Current: With a startup current of only 150 µA, the UCC3819AD ensures minimal power consumption during startup, enhancing overall system efficiency.
• Compliance and Standards: The UCC3819AD is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Packaging and Mounting: Available in a tube package, the surface-mount type allows for easy integration into compact PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is highly resistant to moisture, reducing the risk of damage during manufacturing processes.

UCC3819AD Applications

The UCC3819AD is ideal for a variety of applications where efficient power conversion and regulation are critical. Key applications include:

• Power Supplies: Ideal for AC-DC power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Uninterruptible Power Supplies (UPS): Enhances the efficiency and reliability of UPS systems by providing stable power regulation.
• Motor Drives: Ensures efficient power delivery and control in motor drive applications, contributing to energy savings and performance.
• Lighting Systems: Suitable for high-intensity discharge (HID) lighting systems, where precise power control is necessary for optimal performance.

Conclusion of UCC3819AD

The UCC3819AD from Texas Instruments stands out as a robust and efficient PFC controller IC, offering significant advantages over similar models. Its average current mode operation, wide supply voltage range, and low startup current make it a versatile choice for various power management applications. The device's compliance with environmental and safety standards, along with its surface-mount package and moisture resistance, further enhance its appeal for modern power supply designs. Whether used in consumer electronics, industrial equipment, or lighting systems, the UCC3819AD ensures high efficiency, reliability, and performance.

UCC3819AD Documents

Download datasheets and manufacturer documentation for UCC3819AD

Datasheets :

UCC3819APW      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018