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- Part Number UCC3818DW
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - DW (R-PDSO-G16)
- Released Date Sep 5, 2021
- Last Modified Date Dec 1, 2023 6:27 AM UTC
- Pinout / Pin List Click Here (Member Only)
UCC3818DW Details
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Manufacturer Part Number:
UCC3818DW
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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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Part Package Code:
SOIC
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Pin Count:
16
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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
UCC3818DW Frequently Asked Questions (FAQs)
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The recommended layout and placement for the UCC3818DW involves keeping the high-frequency components (such as the transformer and switching FETs) close together and away from the low-frequency components (such as the input and output capacitors). Additionally, it's recommended to use a solid ground plane and to minimize the length of the traces carrying high-frequency signals.
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To ensure reliable start-up of the UCC3818DW, it's recommended to use a soft-start circuit to limit the inrush current during start-up. Additionally, the input voltage should be ramped up slowly to prevent excessive current draw. It's also important to ensure that the output voltage is properly regulated before enabling the output stage.
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The maximum allowable temperature range for the UCC3818DW is -40°C to 125°C. However, the device's performance and reliability may be affected at temperatures above 85°C, and it's recommended to derate the device's power handling accordingly.
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To troubleshoot issues with the UCC3818DW's overcurrent protection, check the current sense resistor value and ensure it's within the recommended range. Also, verify that the overcurrent threshold is set correctly and that the device is not experiencing excessive voltage stress. Additionally, check for any signs of overheating or damage to the device or surrounding components.
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The UCC3818DW is a commercial-grade device and may not meet the requirements for high-reliability or aerospace applications. Texas Instruments offers other devices that are specifically designed and qualified for these types of applications, such as the UCC3818DW-HT or UCC3818DW-Q1. It's recommended to consult with a TI representative or the device's datasheet to determine the suitability of the device for a specific application.
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UCC3818DW 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.