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UCC2540PWP - Texas Instruments

Description: Switching Controllers High Efficiency Sec Side Sync Buck

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PCB Footprints
UCC2540PWP - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP-020-02021
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UCC2540PWP - Texas Instruments  - 3D model - Small Outline Packages - PWP-020-02021
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UCC2540PWP Details

  • Manufacturer Part Number:

    UCC2540PWP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    HTSSOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    PEAK CURRENT MODE ALSO POSSIBLE

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    8.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    30 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

UCC2540PWP Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA433, which includes guidelines for component placement, trace routing, and grounding to minimize EMI.
  • The UCC2540PWP requires a bias voltage of 5V to 15V on the VCC pin, and the input voltage on the VIN pin should be within the specified range. Additionally, the device requires a decoupling capacitor on the VCC pin to ensure stable operation.
  • The UCC2540PWP can operate up to 1 MHz, but the maximum switching frequency depends on the specific application and the design of the external components. It's recommended to consult the application note SLUA433 for more information on designing high-frequency converters with the UCC2540PWP.
  • The UCC2540PWP has built-in overvoltage protection (OVP) and overcurrent protection (OCP) features. However, additional external protection components such as TVS diodes and fuses may be required depending on the specific application and design requirements.
  • The UCC2540PWP has a thermal derating of 12.5 mW/°C above 25°C. To ensure proper thermal management, it's recommended to use a heat sink, ensure good airflow, and follow the thermal design guidelines provided in the datasheet and application notes.

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UCC2540PWP 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.

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