Texas Instruments

UC3854BDWTRG4  

Power Factor Correction ICs

UC3854BDWTRG4 Description

The UC3854BDWTRG4 is a high-performance Power Factor Correction (PFC) IC designed by Texas Instruments. This device is engineered to provide efficient power factor correction in a wide range of applications. Operating within a temperature range of 0°C to 70°C, the UC3854BDWTRG4 is suitable for environments that require reliable performance under varying conditions. It features an average current mode control, ensuring precise regulation of the input current waveform to achieve high power factor and low total harmonic distortion (THD).

The UC3854BDWTRG4 operates with a switching frequency of 200kHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall size and cost of the power supply design. It supports a supply voltage range of 10V to 20V, making it versatile for various power supply configurations. The device is packaged in a surface mount Tape & Reel (TR) format, which is ideal for automated assembly processes and ensures high reliability and durability.

UC3854BDWTRG4 Features

• Operating Temperature: 0°C to 70°C, ensuring stable performance across a broad temperature spectrum.
• Mode: Average Current Mode Control, providing precise regulation of the input current waveform.
• Frequency - Switching: 200kHz, enabling the use of compact inductors and capacitors.
• Voltage - Supply: 10V to 20V, offering flexibility in power supply design.
• Current - Startup: 250 µA, ensuring low power consumption during startup.
• Package: Tape & Reel (TR), facilitating automated assembly and high reliability.
• Compliance: REACH Unaffected and ROHS3 Compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level (MSL): 2 (1 Year), ensuring the device remains stable and functional in humid environments.

UC3854BDWTRG4 Applications

The UC3854BDWTRG4 is ideal for applications requiring efficient power factor correction, such as:

• Switching Power Supplies: Enhancing the efficiency and reliability of power supplies in consumer electronics, industrial equipment, and telecommunications.
• AC-DC Converters: Improving the power quality and reducing harmonic distortion in AC-DC conversion processes.
• Uninterruptible Power Supplies (UPS): Ensuring high power factor and low THD for stable and efficient power backup solutions.
• Solar Inverters: Optimizing the power conversion efficiency in renewable energy systems.

Conclusion of UC3854BDWTRG4

The UC3854BDWTRG4 from Texas Instruments stands out as a robust and versatile PFC IC, offering significant advantages over similar models. Its average current mode control and 200kHz switching frequency ensure high efficiency and compact design, making it suitable for a wide range of applications. The device's compliance with REACH and ROHS3 standards, along with its low moisture sensitivity level, further enhances its reliability and environmental friendliness. Whether used in switching power supplies, AC-DC converters, or renewable energy systems, the UC3854BDWTRG4 delivers exceptional performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.

UC3854BDWTRG4 Documents

Download datasheets and manufacturer documentation for UC3854BDWTRG4

Datasheets :

UC3854BN Datasheet