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- Part Number UCC3973PWTR
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - PW0008A
- Released Date Sep 5, 2021
- Last Modified Date Dec 1, 2023 6:27 AM UTC
- Pinout / Pin List Click Here (Member Only)
UCC3973PWTR Details
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Manufacturer Part Number:
UCC3973PWTR
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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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Part Package Code:
SOIC
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Package Description:
TSSOP-8
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Pin Count:
8
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.01
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Manufacturer:
Texas Instruments
UCC3973PWTR Frequently Asked Questions (FAQs)
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Texas Instruments provides a recommended PCB layout in the application note SLUA433, 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 input capacitor selection depends on the input voltage, output voltage, and output current requirements. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the maximum input voltage, and a capacitance value of 10-22 μF. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) to ensure it can handle the high-frequency switching of the UCC3973PWTR.
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The UCC3973PWTR has an operating junction temperature range of -40°C to 150°C. However, the maximum ambient temperature depends on the specific application and the thermal management system used. As a general guideline, the ambient temperature should be kept below 85°C to ensure reliable operation and minimize thermal stress on the device.
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The UCC3973PWTR is a commercial-grade device, but it can be used in high-reliability or aerospace applications with proper qualification and testing. Texas Instruments provides a range of reliability and quality tests, including burn-in and environmental testing, to ensure the device meets the required standards. However, it is essential to consult with Texas Instruments and follow their guidelines for using the UCC3973PWTR in high-reliability or aerospace applications.
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Troubleshooting issues with the UCC3973PWTR requires a systematic approach. Start by verifying the input voltage, output voltage, and output current are within the specified ranges. Check the PCB layout and component selection to ensure they meet the recommended guidelines. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the UCC3973PWTR datasheet, application notes, and Texas Instruments' technical support resources for guidance on troubleshooting and resolving common issues.
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UCC3973PWTR 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.