- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LM74500QDDFRQ1
- Part Number LM74500QDDFRQ1
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category SOT23 (8-Pin)
- Footprint Name SOT23 (8-Pin) - DDF0008A
- Released Date Apr 11, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM74500QDDFRQ1 Details
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Manufacturer Part Number:
LM74500QDDFRQ1
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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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Country Of Origin:
Philippines
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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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Adjustable Threshold:
NO
LM74500QDDFRQ1 Frequently Asked Questions (FAQs)
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A good PCB layout for the LM74500QDDFRQ1 should prioritize thermal dissipation. Place the device near a thermal pad or a heat sink, and ensure good copper pour coverage around the device. Avoid routing high-current traces near the device to minimize thermal resistance.
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To ensure reliable operation in high-temperature environments, follow the recommended operating conditions and derating guidelines in the datasheet. Also, consider using a heat sink or thermal pad to reduce the junction temperature, and ensure good airflow around the device.
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When selecting the output capacitor, consider the capacitance value, equivalent series resistance (ESR), and voltage rating. A higher capacitance value can reduce output voltage ripple, but may increase the startup time. A low ESR capacitor can reduce energy losses, and the voltage rating should be higher than the maximum output voltage.
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To troubleshoot issues with the enable pin, verify that the enable pin is properly connected and that the voltage level is within the recommended range. Check for any noise or interference on the enable pin, and ensure that the enable pin is not floating or shorted to another pin.
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Operating the LM74500QDDFRQ1 in a high-humidity environment can lead to moisture-related issues, such as corrosion or electrical shorts. Ensure that the device is properly sealed or conformally coated, and follow recommended storage and handling procedures to minimize exposure to moisture.
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LM74500QDDFRQ1 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.