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- Part Number UC3854NG4
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - N (R-PDIP-T16
- Released Date Jan 12, 2017
- Last Modified Date Jun 1, 2025 4:22 AM UTC
- Pinout / Pin List Click Here (Member Only)
UC3854NG4 Details
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Manufacturer Part Number:
UC3854NG4
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Rohs 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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Country Of Origin:
Mexico
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Texas Instruments
UC3854NG4 Frequently Asked Questions (FAQs)
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Texas Instruments provides a detailed application note (SLUA121) that covers PCB layout guidelines, component placement, and thermal management considerations for the UC3854NG4. It's essential to follow these guidelines to ensure proper operation and minimize electromagnetic interference (EMI).
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The UC3854NG4 datasheet provides a transformer design guide, but it's essential to consider factors like core material, turns ratio, and leakage inductance. Texas Instruments also offers a transformer design tool (Transformer Design Tool for Offline Converters) that can help with selecting the right transformer. Additionally, consulting with a transformer manufacturer or a experienced design engineer can be beneficial.
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The input filter design is critical to ensure electromagnetic compatibility (EMC) and to prevent electromagnetic interference (EMI). Key considerations include selecting the right capacitor values, choosing the correct inductor type and value, and ensuring the filter is properly damped. Texas Instruments provides guidance on input filter design in the UC3854NG4 datasheet and application notes.
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Troubleshooting the UC3854NG4 requires a systematic approach. Start by checking the power supply, input voltage, and output voltage. Verify that the component values and PCB layout match the recommended design. Use an oscilloscope to check for oscillations or ringing on the output voltage and current waveforms. Consult the UC3854NG4 datasheet and application notes for guidance on troubleshooting specific issues.
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The UC3854NG4 is a high-power device that requires proper thermal management to ensure reliable operation. Key considerations include providing adequate heat sinking, using thermal interface materials, and ensuring good airflow around the device. The UC3854NG4 datasheet provides thermal resistance values and recommended operating temperatures.
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UC3854NG4 Overview
Use the download button to access the UC3854NG4 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.