UC2854BDWTR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mode:	Average Current
Frequency - Switching:	80kHz ~ 120kHz
Current - Startup:	250µA
Voltage - Supply:	10 V ~ 20 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	UC2854B

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Power Factor Correction (PFC) is a technique used to correct the electrical power distribution in commercial, industrial and residential applications. It is a power control method aimed at improving the power factor of a power source by using an electronic device known as a PMIC (Power Management Integrated Circuit). UC2854BDWTR is a PMIC device specifically designed for PFC applications. It is a versatile and cost-efficient solution for non-isolated switched-mode power supplies. The device integrates both power stage and current sensing circuitry, providing optimal performance for applications requiring high power accuracy, such as battery-charged digital electronics, power supply, general illumination, and industrial machinery.UC2854BDWTR provides superior power factor, current and voltage regulation, enabling high quality and efficient power distribution in commercial, industrial and residential settings. In addition, it provides short-circuit protection and over-temperature alarm features.The UC2854BDWTR operates in synchronization with an AC source, using PFC technology to ensure that the power consumption in the load is constant and predictable. The PMIC is capable of efficiently operating a wide range of loads, ranging from 5W to 1000W, with a power factor greater than 0.93. When supplied with an AC source, the UC2854BDWTR is capable of regulating the voltage and current peaks across the load, while maintaining a constant power factor throughout. It operates by providing a signal to the controller, sampling the input voltage and current, and then adjusting the output voltage to maintain the desired power factor.The UC2854BDWTR also provides a number of additional useful features, such as thermal protection and soft start. The thermal protection feature shuts down the system in case of over-temperature to protect the components from damage, while the soft start feature reduces the current and voltage peaks during startup.The UC2854BDWTR is an efficient and cost-effective solution for power factor correction applications. Its integrated design and cost-effectiveness make it suitable for a wide range of commercial, industrial and residential applications. It is also an ideal solution for non-isolated switched-mode power supplies.

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