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TPS61040DDCT - Texas Instruments

Description: 28-V, 400-mA Switch Boost Converter in SOT-23 for LCD and White LED Applications

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TPS61040DDCT - Texas Instruments - PCB symbol
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PCB Footprints
TPS61040DDCT - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DDC (R-PDSO-G5)
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TPS61040DDCT - Texas Instruments - 3D model - SOT23 (5-Pin) - DDC (R-PDSO-G5)
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TPS61040DDCT Details

  • Manufacturer Part Number:

    TPS61040DDCT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 1.8 TO 28 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE FREQUENCY MODULATION

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    2.4 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.45 A

  • Output Voltage-Max:

    28 V

  • Output Voltage-Min:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

TPS61040DDCT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS61040DDCT involves placing the input and output capacitors close to the device, using a solid ground plane, and keeping the high-current paths short and wide. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • The input capacitor should have a low ESR and be rated for the input voltage. A ceramic capacitor with an X5R or X7R dielectric is recommended. The output capacitor should be chosen based on the output voltage and current requirements, and should have a low ESR and a high ripple current rating.
  • The TPS61040DDCT is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design. It's recommended to follow the thermal design guidelines in the datasheet and to perform thermal simulations to ensure the device operates within its specified temperature range.
  • The output voltage of the TPS61040DDCT is set by the resistive divider network consisting of RFBT and RFB. The output voltage can be calculated using the formula: VOUT = 0.8V x (1 + RFBT/RFB).
  • The EN pin is an active-high enable input that allows the device to be turned on and off. When the EN pin is high, the device is enabled and operates normally. When the EN pin is low, the device is disabled and the output is turned off. The EN pin can be connected to a logic signal or a switch to control the device's operation.

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TPS61040DDCT 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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