Texas Instruments

UC1854BJ  

Power Factor Correction ICs

UC1854BJ DescriptionThe

UC1854BJ is an enhanced high power factor pre-regulator IC designed by Texas Instruments, aimed at improving the efficiency and performance of power factor correction (PFC) in various electronic systems. This IC operates in Average Current mode, ensuring precise control over the input current waveform to achieve high power factor and low total harmonic distortion (THD). It is housed in a Through Hole package, making it suitable for applications requiring robust mechanical stability and ease of integration into traditional PCB designs.

UC1854BJ Features

• Operating Voltage Range: The UC1854BJ is designed to operate within a voltage supply range of 10V to 20V, providing flexibility in power supply design and ensuring stable operation across a wide range of input voltages.
• Low Startup Current: With a startup current of only 250 µA, this IC minimizes power consumption during the initial startup phase, contributing to overall system efficiency and energy savings.
• Compliance and Safety: The UC1854 isBJ REACH unaffected and ROHS3 compliant, ensuring it meets the highest environmental and safety standards. This compliance is crucial for manufacturers aiming to adhere to global regulations and reduce the environmental impact of their products.
• Moisture Sensitivity Level: The UC1854BJ has a moisture sensitivity level (MSL) of Not Applicable, indicating it is not susceptible to moisture-related issues, which is beneficial for applications in various environmental conditions.

UC1854BJ Applications

The UC1854BJ is ideal for a range of applications where high power factor and efficiency are critical. Its enhanced performance makes it suitable for:

• Power Supplies: high In-power AC-DC power supplies, the UC1854BJ can significantly improve power factor, reducing energy losses and enhancing overall system efficiency.
• Industrial Equipment: For industrial applications requiring reliable and efficient power conversion, the UC1854BJ ensures stable operation and high power factor correction.
• Telecommunications: In telecom infrastructure, where power quality is paramount, the UC1854BJ can help meet stringent power factor requirements and reduce harmonic distortion.

Conclusion of UC1854BJ

The UC1854BJ from Texas Instruments stands out as a robust and efficient solution for power factor correction in various electronic systems. Its unique features, such as low startup current, wide operating voltage range, and compliance with environmental standards, make it superior a choice over similar models. The UC1854BJ is particularly well-suited for applications in power supplies, industrial equipment, and telecommunications, where high power factor and low THD are essential. Its Through Hole package and Last Time Buy status further cater to specific industry needs, ensuring it remains a reliable and versatile component in modern power electronics design.

UC1854BJ Documents

Download datasheets and manufacturer documentation for UC1854BJ

PCN Obsolescence/ EOL :

OBS NOTICE 19/Oct/2023