Symbol
PCB Footprints
- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LM27951SD
- Part Number LM27951SD
- Manufacturer Texas Instruments
- Pin Count 15
- Part Category Integrated Circuit
- Package Category Other
- Footprint Name Other - DFN300X400X80-15N
- Released Date Jan 11, 2017
- Last Modified Date Nov 15, 2024 1:35 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM27951SD Details
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Manufacturer Part Number:
LM27951SD
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Brand Name:
Texas Instruments
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Part Life Cycle Code:
Obsolete
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Part Package Code:
QFN
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Package Description:
LLP-14
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Pin Count:
14
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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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Interface IC Type:
LED DISPLAY DRIVER
LM27951SD Frequently Asked Questions (FAQs)
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Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as keeping the input and output traces short and away from each other, using a solid ground plane, and minimizing vias and thermal reliefs.
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The inductor value selection depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor selection guide provided in the datasheet, and then fine-tune the value based on the specific application requirements and efficiency goals.
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The LM27951SD is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design. It's recommended to follow the thermal design guidelines in the datasheet and to ensure that the device is properly heatsinked.
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Yes, the LM27951SD is qualified for automotive and high-reliability applications, but it's recommended to follow the specific requirements and guidelines for these applications, such as AEC-Q100 for automotive and MIL-STD-883 for high-reliability applications.
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Troubleshooting issues with the LM27951SD requires a systematic approach, including checking the PCB layout, component values, and soldering quality. It's also recommended to use oscilloscope measurements to identify the root cause of the issue and to follow the troubleshooting guidelines provided in the datasheet.
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LM27951SD Overview
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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.