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MP4558DN-LF - Monolithic Power Systems (MPS)

Description: IC REG BUCK ADJUSTABLE 1A 8SOIC

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MP4558DN-LF - Monolithic Power Systems (MPS) PCB footprint - Small Outline Packages - Small Outline Packages - SOIC8 (EXPOSED PAD)
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MP4558DN-LF - Monolithic Power Systems (MPS)  - 3D model - Small Outline Packages - SOIC8 (EXPOSED PAD)
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MP4558DN-LF Details

  • Manufacturer Part Number:

    MP4558DN-LF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Monolithic Power Systems

  • YTEOL:

    8

  • Additional Feature:

    ADJUSTABLE OUTPUT MODE FROM 0.8V TO 52V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    55 V

  • Input Voltage-Min:

    3.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.7 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

MP4558DN-LF Frequently Asked Questions (FAQs)

  • The MP4558DN-LF can handle a maximum input voltage of 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
  • To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the output voltage within the recommended range of 0.8V to 5.5V.
  • The MP4558DN-LF can provide a maximum output current of 5A, but it's recommended to keep it below 4A for optimal performance and reliability.
  • The output voltage 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 3.3V output voltage.
  • The EN (enable) pin is used to turn the regulator on or off. When the EN pin is high, the regulator is enabled, and when it's low, the regulator is disabled.

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MP4558DN-LF Overview

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Part Image MP4558DN Monolithic Power Systems

Switching Regulator, Current-mode, 3.7A, 2000kHz Switching Freq-Max, PDSO8