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MBU121 - Minmax

Description: The MBU100 series is a range of 1W DC-DC converters in a miniature SIP Package featuring I/O isolation of 1000VDC. A high efficiency allows an operating temperature range of -40℃ to +85℃. These converters offer an economical solution for many space critical applications.

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MBU121 - Minmax PCB footprint - Other - Other - MBU121-1
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MBU121 - Minmax  - 3D model - Other - MBU121-1
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MBU121 Details

  • Manufacturer Part Number:

    MBU121

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    Module-4

  • ECCN Code:

    EAR99

  • Manufacturer:

    Minmax Technology Co Ltd

  • YTEOL:

    6.4

  • Analog IC - Other Type:

    DC-DC UNREGULATED POWER SUPPLY MODULE

  • Efficiency (Main Output):

    70%

  • Input Voltage-Max:

    26.4 V

  • Input Voltage-Min:

    21.6 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PSMA-T4

  • Length:

    11.5 mm

  • Line Regulation-Max:

    1.5%

  • Load Regulation-Max:

    8%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.2 A

  • Output Voltage-Max:

    5.15 V

  • Output Voltage-Min:

    4.85 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SMA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Protections:

    SHORT CIRCUIT

  • Ripple Voltage (Main Out):

    0.053025 Vrms

  • Seated Height-Max:

    10.45 mm

  • Surface Mount:

    NO

  • Switching Frequency-Max:

    110 kHz

  • Technology:

    HYBRID

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Total Power Output-Max:

    1 W

  • Trim/Adjustable Output:

    NO

  • Width:

    7.1 mm

MBU121 Frequently Asked Questions (FAQs)

  • Minmax recommends a 4-layer PCB with a solid ground plane, and thermal vias under the device to dissipate heat. A minimum of 2oz copper thickness is recommended for the top and bottom layers.
  • Minmax recommends using a heat sink with a thermal resistance of 10°C/W or lower, and ensuring good airflow around the device. Additionally, derating the output power and voltage can help reduce thermal stress.
  • Minmax recommends keeping the voltage drop across the input capacitors below 1V to ensure stable operation and prevent oscillations.
  • Yes, the MBU121 can be used in redundant or parallel configurations, but it's essential to ensure proper synchronization and current sharing between devices to prevent instability and overheating.
  • Minmax recommends checking the PCB layout, input and output capacitors, and the voltage drop across the input capacitors. Ensure that the device is properly decoupled, and the input voltage is within the recommended range.

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MBU121 Overview

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