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LM5118MH - Texas Instruments

Description: Buck-Boost Controller

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LM5118MH - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0020A
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LM5118MH - Texas Instruments  - 3D model - Small Outline Packages - PWP0020A
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LM5118MH Details

  • Manufacturer Part Number:

    LM5118MH

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    75 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    48 V

  • JESD-30 Code:

    R-PDSO-G20

  • Length:

    6.5 mm

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    575 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    4.4 mm

LM5118MH Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the LM5118MH is -40°C to 125°C. However, it's recommended to operate within -20°C to 85°C for optimal performance.
  • To ensure stability, make sure to follow the recommended layout and component selection guidelines in the datasheet. Additionally, use a low-ESR output capacitor and ensure the input capacitor is properly bypassed. You can also add a small resistor (e.g., 1-10 ohms) in series with the output capacitor to dampen any potential oscillations.
  • The recommended input capacitor value is 10-22uF, and it's recommended to use a low-ESR ceramic capacitor (e.g., X5R or X7R dielectric) to minimize voltage ripple and ensure stable operation.
  • Yes, the LM5118MH is designed to handle high currents up to 8A. However, make sure to follow the thermal design guidelines and ensure proper heat sinking to prevent overheating. You may also need to add additional components, such as a current sense resistor, to monitor and limit the output current.
  • The output voltage of the LM5118MH can be adjusted by using a resistive divider network between the output and the FB pin. The recommended resistors are R1 = 10kohm and R2 = 2.2kohm for a 1.8V output. You can calculate the required resistor values using the formula provided in the datasheet.

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LM5118MH 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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Part Image LM5118MHX/NOPB Texas Instruments

Switching Controller, Current-mode, 10A, 500kHz Switching Freq-Max, BICMOS, PDSO20

Part Image LM5118MH/NOPB Texas Instruments

Switching Controller, Current-mode, 10A, 500kHz Switching Freq-Max, BICMOS, PDSO20

Part Image LM5118MH/NOPB Rochester Electronics LLC

SWITCHING CONTROLLER, 575kHz SWITCHING FREQ-MAX, PDSO20, ROHS COMPLIANT, TSSOP-20

Part Image LM5118MHX/NOPB Rochester Electronics LLC

SWITCHING CONTROLLER, 575kHz SWITCHING FREQ-MAX, PDSO20, ROHS COMPLIANT, TSSOP-20

Part Image LM5118MH/NOPB National Semiconductor Corporation

Switching Controller, Current-mode, 575kHz Switching Freq-Max, PDSO20

For a full list of alternate parts for LM5118MH, check out Findchips.com