UC3854BN Product Introduction:
Texas Instruments Part Number UC3854BN(PMIC - PFC (Power Factor Correction)), developed and manufactured by Texas Instruments, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
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Introducing the Texas Instruments UC3854BN, a versatile and high-performance PWM controller designed to meet the demanding requirements of power supply applications. With its advanced features and robust design, this controller offers exceptional performance and reliability.
The UC3854BN features a wide input voltage range of 8V to 35V, making it suitable for a variety of applications, including industrial power supplies, battery chargers, and motor control systems. Its high-frequency operation up to 500kHz allows for compact and efficient designs, while its integrated soft-start and shutdown functions ensure smooth and controlled power-up and power-down sequences.
This PWM controller also offers comprehensive protection features, including overvoltage protection, undervoltage lockout, and thermal shutdown, ensuring the safety and longevity of your power supply system. Additionally, its adjustable current limit and slope compensation enable precise control of the output voltage and current, making it ideal for applications that require tight regulation.
The UC3854BN is designed to simplify the design process, with its flexible architecture and easy-to-use features. Its versatile design allows for both voltage-mode and current-mode control, providing designers with the flexibility to choose the best control method for their specific application.
In summary, the Texas Instruments UC3854BN is a highly versatile and reliable PWM controller that offers exceptional performance and protection features. Whether you are designing power supplies, battery chargers, or motor control systems, this controller is the perfect choice for your application.
PFC (Power factor Correction) is an electronic circuit technology to optimize the power factor between the AC power supply and the load. Power factor, as an important index to measure the energy conversion efficiency between the power supply and the load, reflects the loss of the power supply in the transmission process. The core goal of PFC technology is to improve the ratio of active power to apparent power by adjusting the current waveform to make it closer to the sine wave, that is, to improve the power factor, so as to achieve efficient use of energy.
Application
PFC (Power factor Correction) is widely used in many fields, which greatly promotes the improvement of energy efficiency and environmental protection. In the industrial field, PFC circuit is widely used in motor drive, transformer, inverter and other industrial equipment, by improving the energy efficiency of equipment, reduce energy consumption, reduce harmonic pollution of the power grid, enhance the stability of the power grid. In terms of household appliances, PFC technology is also widely used in household appliances such as air conditioners, refrigerators, washing machines, and televisions, effectively improving the energy efficiency level of these devices, reducing the user's electricity bill, and reducing the negative impact on the power grid.
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