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LM5155DSSR - Texas Instruments

Description: 2.2MHz wide VIN non-synchronous boost controller

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LM5155DSSR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSS0012B
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LM5155DSSR - Texas Instruments  - 3D model - Small Outline No-lead - DSS0012B
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LM5155DSSR Details

  • Manufacturer Part Number:

    LM5155DSSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2018-12-16

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    45 V

  • Input Voltage-Min:

    1.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-N12

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    15 A

  • Output Voltage-Max:

    300 V

  • Output Voltage-Min:

    1.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC12,.08,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2200 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    2 mm

LM5155DSSR Frequently Asked Questions (FAQs)

  • The LM5155DSSR can handle input voltages up to 60V, but it's recommended to keep it below 40V for optimal performance and reliability.
  • To ensure the LM5155DSSR operates within its thermal limits, make sure to provide adequate heat sinking, keep the device away from heat sources, and avoid high ambient temperatures.
  • For optimal performance, it's recommended to follow a 4-layer PCB stack-up with a solid ground plane, keep the input and output capacitors close to the device, and use a Kelvin connection for the output voltage sense.
  • The output voltage of the LM5155DSSR can be adjusted by changing the resistor ratio of the feedback network. Use the formula provided in the datasheet to calculate the required resistor values for the desired output voltage.
  • The minimum input capacitance required for the LM5155DSSR is 10uF, but it's recommended to use a higher value (e.g., 22uF) for improved input filtering and stability.

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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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