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LMR61428XMMX/NOPB - Texas Instruments

Description: Conv DC-DC 1.2V to 14V Step Up Single-Out 1.24V to 14V 2.85A 8-Pin VSSOP T/R

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LMR61428XMMX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK  (S-PDSO-G8)
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LMR61428XMMX/NOPB - Texas Instruments  - 3D model - Small Outline Packages - DGK  (S-PDSO-G8)
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LMR61428XMMX/NOPB Details

  • Manufacturer Part Number:

    LMR61428XMMX/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:

    ALSO OPERATES IN ADJUSTABLE MODE UP TO 14V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    14 V

  • Input Voltage-Min:

    1.2 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.85 A

  • Output Voltage-Max:

    14 V

  • Output Voltage-Min:

    1.24 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    110 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    3 mm

LMR61428XMMX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to ensure good thermal performance. A thermal pad on the bottom of the package should be connected to the ground plane.
  • To ensure reliable operation at high temperatures, it is recommended to derate the output current and voltage according to the thermal derating curve provided in the datasheet. Additionally, ensure good airflow and thermal conduction to the heat sink.
  • Texas Instruments recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor. The capacitor should be placed as close to the input pins as possible to minimize noise and ripple.
  • To minimize EMI, it is recommended to use a shielded inductor, keep the switching node (SW) as short as possible, and use a common-mode choke on the input lines. Additionally, ensure good PCB layout practices, such as separating analog and digital grounds, and using a solid ground plane.
  • Texas Instruments recommends using a low-ESR ceramic capacitor with a value of 10uF to 47uF for the output capacitor. The capacitor should be placed as close to the output pins as possible to minimize noise and ripple.

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LMR61428XMMX/NOPB 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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