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- Stock & Prices $ Price & Stock for UC2854BJ
- Part Number UC2854BJ
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Ceramic Dual-In-Line Packages
- Footprint Name Ceramic Dual-In-Line Packages - J(R-GDIP-T16)
- Released Date Sep 6, 2021
- Last Modified Date Dec 1, 2023 6:27 AM UTC
- Pinout / Pin List Click Here (Member Only)
UC2854BJ Details
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Manufacturer Part Number:
UC2854BJ
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
DIP
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Pin Count:
16
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
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YTEOL:
15
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Analog IC - Other Type:
POWER FACTOR CONTROLLER
UC2854BJ Frequently Asked Questions (FAQs)
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Texas Instruments recommends a compact layout with the controller, power FETs, and output components in close proximity. The layout should also ensure that the high-frequency currents are confined to a small area and do not create loops that can radiate electromagnetic energy.
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The choice of external components such as the transformer, inductor, and capacitors depends on the specific application requirements. Texas Instruments provides a detailed design guide and application notes that can help in selecting the right components for a particular design.
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The maximum operating frequency of the UC2854BJ is typically limited by the switching losses and the ability of the power FETs to switch at high frequencies. In general, the UC2854BJ can operate up to 1 MHz, but the actual frequency limit depends on the specific application and the component selection.
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To ensure reliable start-up of the UC2854BJ, it is recommended to use a soft-start circuit that gradually increases the output voltage and current during start-up. This helps to prevent excessive inrush currents and ensures a reliable start-up of the converter.
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The key considerations for thermal design with the UC2854BJ include providing adequate heat sinking for the power FETs and the controller, using thermal interfaces with low thermal resistance, and ensuring good airflow around the converter.
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UC2854BJ Overview
Use the download button to access the UC2854BJ schematic symbol, PCB footprint, and 3D model.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.