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BP5221A - ROHM Semiconductor

Description: Step-down DC/DC Converters (Non-isolated) : Self-excitation type DC/DC converters consisting of switching devices,rectifier devices and inductors. Only needed external devices are electrolytic capacitors in input/output line.Compact uplight SIP-9 package requiring no heat-sink.

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BP5221A - ROHM Semiconductor - PCB symbol
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PCB Footprints
BP5221A - ROHM Semiconductor PCB footprint - Other - Other - SIP9_FFW
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BP5221A Details

  • Manufacturer Part Number:

    BP5221A

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    MODULE

  • Package Description:

    SIP-8/9

  • Pin Count:

    8/9

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    ROHM Semiconductor

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-XSMA-T8

  • JESD-609 Code:

    e2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Output Voltage-Max:

    6 V

  • Output Voltage-Min:

    4 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    SMA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Technology:

    HYBRID

  • Terminal Finish:

    Tin/Copper (Sn/Cu)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

BP5221A Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power lines.
  • Use a thermal pad or a heat sink to dissipate heat. Ensure good airflow around the IC, and avoid blocking the airflow with components or obstacles.
  • The maximum input voltage is 18V, but it's recommended to keep it below 15V to ensure reliable operation and prevent overheating.
  • The BP5221A is rated for operation up to 85°C, but derating is required for temperatures above 70°C. Consult the datasheet for derating curves and ensure proper thermal management.
  • Check the PCB layout, component values, and input/output connections. Verify the input voltage, output load, and decoupling capacitors. Consult the datasheet and application notes for troubleshooting guidelines.

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BP5221A Overview

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