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- Part Number UCC3585D
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - D (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)
UCC3585D Details
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Manufacturer Part Number:
UCC3585D
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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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Country Of Origin:
Mexico
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Date Of Intro:
1999-11-01
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Manufacturer:
Texas Instruments
UCC3585D Frequently Asked Questions (FAQs)
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Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the high-frequency components (such as the transformer and diodes) close to the IC. Additionally, use a shielded cable for the feedback loop and keep the input and output traces separate to minimize noise coupling.
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The transformer selection depends on the input voltage, output voltage, and power rating of your design. TI recommends using a transformer with a turns ratio of 1:1.2 to 1:1.5, and a magnetizing inductance of at least 10uH. You can use TI's transformer selection tool or consult with a transformer manufacturer to find the right transformer for your design.
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The maximum duty cycle of the UCC3585D is 50%. Exceeding this limit can cause the output voltage to droop or become unstable. To maintain a stable output voltage, ensure that the duty cycle is kept below 50% by adjusting the input voltage, output voltage, or the transformer turns ratio.
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The UCC3585D has an internal FET voltage drop of around 1.5V. To compensate for this, you can add an external voltage drop (such as a diode or a resistor) in series with the output voltage, or adjust the output voltage setting to account for the internal voltage drop.
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The recommended input capacitor value for the UCC3585D is 10uF to 22uF. A larger input capacitor value can reduce the input voltage ripple, but may also increase the start-up time and inrush current. A smaller input capacitor value can reduce the start-up time and inrush current, but may also increase the input voltage ripple.
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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.