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- Part Number LM293H
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Other
- Footprint Name Other - TO254P914X470-8P
- Released Date Jan 11, 2017
- Last Modified Date Feb 16, 2025 6:03 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM293H Details
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Manufacturer Part Number:
LM293H
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
BCY
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Pin Count:
8
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
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YTEOL:
15
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Amplifier Type:
COMPARATOR
LM293H Frequently Asked Questions (FAQs)
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The maximum input voltage that can be applied to the LM293H is 26V, but it's recommended to keep it below 24V for reliable operation.
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While the LM293H can handle up to 1A of output current, it's not recommended for high-current applications due to its thermal limitations. For high-current applications, consider using a more robust voltage regulator like the LM2675 or LM338.
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To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 5 ohms. Additionally, keep the input and output capacitors close to the device and use a low-ESR capacitor for the output.
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No, the LM293H is a positive voltage regulator and cannot be used to regulate negative voltages. For negative voltage regulation, consider using a dedicated negative voltage regulator like the LM79L05 or LM337.
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The dropout voltage of the LM293H is typically around 1.5V to 2V, depending on the output current. You can calculate it using the formula: Dropout Voltage = Vin - Vout, where Vin is the input voltage and Vout is the output voltage.
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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.