- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LM5009SDC
- Part Number LM5009SDC
- Manufacturer Texas Instruments
- Pin Count 9
- Part Category Integrated Circuit
- Package Category Other
- Footprint Name Other - DFN400X400X80-9N
- Released Date Jan 11, 2017
- Last Modified Date Nov 15, 2024 1:35 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM5009SDC Details
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Manufacturer Part Number:
LM5009SDC
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Pbfree Code:
No
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Part Life Cycle Code:
Obsolete
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Part Package Code:
SOIC
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Package Description:
WSON-8
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Pin Count:
8
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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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Additional Feature:
ALSO OPERATES IN ADJUSTABLE MODE FROM 2.5V TO 85V
LM5009SDC Frequently Asked Questions (FAQs)
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Texas Instruments provides a recommended PCB layout in the LM5009SDC evaluation module documentation, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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The selection of input and output capacitors depends on the specific application requirements, such as voltage rating, capacitance value, and equivalent series resistance (ESR). TI recommends using low-ESR capacitors with a voltage rating of at least 1.5 times the maximum input voltage, and a capacitance value that meets the required ripple current and output voltage ripple specifications.
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While the datasheet specifies an operating junction temperature range of -40°C to 150°C, the maximum ambient temperature for reliable operation depends on the specific application and thermal management. As a general guideline, TI recommends keeping the ambient temperature below 85°C to ensure reliable operation and minimize the risk of thermal shutdown.
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The LM5009SDC has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OCSET pin and the input voltage. The value of the resistor determines the overcurrent threshold, and TI provides a calculation formula in the datasheet to determine the required resistor value based on the desired overcurrent threshold.
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While the datasheet specifies an input voltage range of 4.5V to 18V, the recommended input voltage range for optimal efficiency is typically between 6V and 12V. Operating outside this range may result in reduced efficiency, increased heat generation, and potential reliability issues.
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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.