- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for UCC21540DWK
- Part Number UCC21540DWK
- Manufacturer Texas Instruments
- Pin Count 14
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - UCC21540DWK
- Released Date May 2, 2019
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UCC21540DWK Details
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Manufacturer Part Number:
UCC21540DWK
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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:
Obsolete
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Country Of Origin:
Taiwan
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Texas Instruments
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YTEOL:
0
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High Side Driver:
YES
UCC21540DWK Frequently Asked Questions (FAQs)
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Texas Instruments provides a recommended PCB layout in the application note SLUA623, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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To ensure reliable operation in high-temperature environments, it is essential to follow the recommended thermal management guidelines in the datasheet, including providing adequate heat sinking, using thermal interface materials, and keeping the junction temperature (TJ) below the maximum rating of 150°C.
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When selecting an input capacitor for the UCC21540DWK, consider the capacitor's voltage rating, capacitance value, equivalent series resistance (ESR), and temperature rating. A capacitor with a low ESR and high ripple current rating is recommended to ensure stable operation and minimize voltage ripple.
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To troubleshoot issues with the UCC21540DWK, start by verifying the input voltage, output voltage, and current levels. Check for proper component selection, PCB layout, and thermal management. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the datasheet, application notes, and Texas Instruments' support resources for guidance.
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Yes, the UCC21540DWK can be used in isolated designs, but it requires additional components and careful consideration of the isolation scheme. Texas Instruments provides guidance on isolated designs in application notes such as SLUA623 and SLUA624, which include examples of isolated DC-DC converters using the UCC21540DWK.
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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.