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LM20125MH/NOPB - Texas Instruments

Description: 2.95-5.5V, 5A, Current Mode Synchronous Buck Regulator with Optional Automotive Grade

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LM20125MH/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM20125MH/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20125MH/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20125MH/NOPB Details

  • Manufacturer Part Number:

    LM20125MH/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO HAS ADJUSTABLE OUTPUT VOLTAGE DOWN TO 0.8V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.95 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • 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:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    500 kHz

  • 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

LM20125MH/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the heat sink. The datasheet provides some guidelines, but a more detailed application note from TI provides additional guidance.
  • To ensure stability in the output voltage, it's essential to follow the recommended capacitor selection and placement guidelines in the datasheet. Additionally, the output capacitor's ESR (Equivalent Series Resistance) should be within the recommended range to prevent oscillations.
  • While the datasheet specifies a maximum input voltage of 42V, it's essential to consider the maximum voltage rating of the specific package and the operating conditions. In general, it's recommended to derate the input voltage by 10-15% to ensure reliable operation.
  • To protect the device from overcurrent and overheating, it's recommended to add external overcurrent protection (OCP) and overtemperature protection (OTP) circuits. The datasheet provides some guidance on how to implement these protection mechanisms.
  • The recommended input capacitor type is a low-ESR ceramic capacitor with a value between 1-10uF. The exact value depends on the input voltage, output voltage, and the desired level of input ripple rejection.

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LM20125MH/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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