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MP4558DN-LF-Z - Monolithic Power Systems (MPS)

Description: Switching Voltage Regulators 55V, 1A non-sync Buck

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

  • Manufacturer Part Number:

    MP4558DN-LF-Z

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    20 Weeks

  • Manufacturer:

    Monolithic Power Systems

  • YTEOL:

    3

  • 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 (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

MP4558DN-LF-Z Frequently Asked Questions (FAQs)

  • The maximum input voltage is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
  • To ensure stability, 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 maximum output current is 5A, but it's recommended to keep it below 4A for optimal performance and reliability.
  • Make sure to provide adequate heat sinking and airflow to keep the junction temperature below 125°C. A thermal pad is recommended to improve heat dissipation.
  • Yes, the MP4558DN-LF-Z is rated for operation up to 125°C, but derating is required for temperatures above 85°C. Consult the datasheet for derating curves.

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MP4558DN-LF-Z Overview

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Part Image MP4558DN Monolithic Power Systems

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