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LM5121QMHX/NOPB - Texas Instruments

Description: DC/DC Cntrlr Single-OUT Step Up Automotive 20-Pin HTSSOP EP T/R

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LM5121QMHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP (R-PDSO-G20)_2-
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LM5121QMHX/NOPB Details

  • Manufacturer Part Number:

    LM5121QMHX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    SEATED HGT-NOM, OUTPUT VOLTAGE UP TO 100 V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    65 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 A

  • Output Voltage-Max:

    100 V

  • Output Voltage-Min:

    3 V

  • 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

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LM5121QMHX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the LM5121QMHX/NOPB evaluation module documentation, which includes a thermal pad connected to a large copper area on the PCB to dissipate heat efficiently.
  • To ensure reliable start-up and operation, it is recommended to follow the input voltage sequencing and ramp-up guidelines provided in the datasheet, and to use a suitable input capacitor to filter out noise and voltage transients.
  • When selecting the output inductor and capacitor values, consider the desired output voltage ripple, inductor core loss, and capacitor ESR. TI provides a detailed design guide and calculator tool to help with component selection.
  • The LM5121QMHX/NOPB has a built-in overcurrent protection feature that can be enabled by connecting the OC pin to a resistor and capacitor network. Additionally, the device provides a fault flag output that can be used to detect and respond to fault conditions.
  • For high-power applications, it is essential to ensure good thermal management by providing adequate heat sinking, using a thermally conductive PCB material, and keeping the device away from heat sources. TI provides thermal design guidelines and thermal models to aid in the design process.

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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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Part Image LM5121MH/NOPB Texas Instruments

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