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BA178M12CP-E2 - ROHM Semiconductor

Description: 500mA 12V, Fixed Output, High PSRR Three-Terminal Regulators

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BA178M12CP-E2 Details

  • Manufacturer Part Number:

    BA178M12CP-E2

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TO-220, 3 PIN

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    ROHM Semiconductor

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    2 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    27 V

  • Input Voltage-Min:

    15 V

  • JESD-30 Code:

    R-PSFM-T3

  • Length:

    10 mm

  • Line Regulation-Max:

    0.1%

  • Load Regulation-Max:

    0.24%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    12.6 V

  • Output Voltage1-Min:

    11.4 V

  • Output Voltage1-Nom:

    12 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    16.8 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    5%

  • Width:

    4.5 mm

BA178M12CP-E2 Frequently Asked Questions (FAQs)

  • ROHM recommends a PCB layout with a thermal pad connected to a large copper area on the bottom layer, and multiple vias to dissipate heat efficiently.
  • Ensure proper heat sinking, use a thermally conductive material for the PCB, and consider derating the device's power dissipation according to the temperature derating curve in the datasheet.
  • A 10uF to 22uF ceramic capacitor with an X5R or X7R dielectric is recommended for input decoupling, placed as close to the VIN pin as possible.
  • Yes, the BA178M12CP-E2 is suitable for battery-powered devices, but ensure the input voltage is within the recommended range and consider the quiescent current (Iq) when calculating battery life.
  • Use a TVS diode or a transient voltage suppressor in parallel with the input capacitor to protect the regulator from voltage transients and surges.

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BA178M12CP-E2 Overview

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