- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for UCC2570D
- Part Number UCC2570D
- Manufacturer Texas Instruments
- Pin Count 14
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - D (-R-PDSO-G14)
- Released Date Aug 31, 2021
- Last Modified Date Dec 11, 2023 6:28 AM UTC
- Pinout / Pin List Click Here (Member Only)
UCC2570D Details
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Manufacturer Part Number:
UCC2570D
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Brand Name:
Texas Instruments
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Pbfree Code:
No
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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:
GREEN, PLASTIC, MS-012AB, SOIC-14
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Pin Count:
14
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
Texas Instruments
UCC2570D Frequently Asked Questions (FAQs)
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Texas Instruments provides a recommended PCB layout, and thermal considerations in the UCC2570D datasheet, application note SLUA144, and the UCCx570D evaluation module. It's essential to follow these guidelines to ensure proper operation and thermal management.
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The input capacitor value depends on the input voltage, output voltage, and output current. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 1.5 times the maximum input voltage. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) to ensure stability and minimize ringing.
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The UCC2570D can deliver up to 1.5A of output current, but this depends on the input voltage, output voltage, and thermal considerations. It's essential to check the datasheet's electrical characteristics and thermal derating curves to ensure the device can handle the required output current.
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The UCC2570D has built-in OVP and UVP features. For OVP, connect a resistor divider network to the VCC pin, and for UVP, connect a resistor divider network to the EN pin. The threshold voltage for OVP and UVP can be set by adjusting the resistor values. Refer to the datasheet for more information and example circuits.
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The bootstrap capacitor (CBST) is used to generate the high-side gate drive voltage for the internal power MOSFET. It's essential to use a capacitor with a value between 10nF to 100nF, with a voltage rating of at least 1.5 times the maximum input voltage. The bootstrap capacitor ensures proper operation and minimizes power losses.
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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.