- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for UC3638DWTR
- Part Number UC3638DWTR
- Manufacturer Texas Instruments
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - DW0020A
- Released Date Oct 7, 2019
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UC3638DWTR Details
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Manufacturer Part Number:
UC3638DWTR
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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:
SOIC
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Pin Count:
20
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Country Of Origin:
Malaysia
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
UC3638DWTR Frequently Asked Questions (FAQs)
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The UC3638DWTR requires careful layout and placement to ensure proper operation. TI recommends placing the IC near the input capacitors, using a star-ground configuration, and keeping the high-current paths short and wide. A 4-layer PCB with a solid ground plane is recommended.
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To minimize standby power consumption, ensure that the EN pin is properly biased, use a low-quiescent-current voltage regulator for the VCC pin, and consider using a low-power mode or shutdown feature if available in your design.
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The UC3638DWTR can dissipate significant heat, especially at high currents. Ensure good airflow, use a heat sink if necessary, and consider thermal interface materials to reduce thermal resistance. Monitor the junction temperature (TJ) to prevent overheating.
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To troubleshoot issues, start by verifying the input voltage, output voltage, and current. Check the PCB layout for noise susceptibility and ensure that the compensation components are properly selected. Use an oscilloscope to analyze the waveforms and identify any signs of oscillation or instability.
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The UC3638DWTR's current limit and foldback characteristics can affect the overall system design. Ensure that the current limit is set appropriately for your application, and consider the foldback characteristics when designing the output stage to prevent overheating or damage.
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UC3638DWTR Overview
Use the download button to access the UC3638DWTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC363,
or try a keyword search, such as Motion Control Electronics
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.
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