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BD9C301FJ-E2 - ROHM Semiconductor

Description: ROHM BD9C301FJ-E2, Buck DC-DC Converter, Adjustable, 0.8 → 12.6 V, SOP-J 8-Pin

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BD9C301FJ-E2 - ROHM Semiconductor - PCB symbol
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PCB Footprints
BD9C301FJ-E2 - ROHM Semiconductor PCB footprint - Small Outline Packages - Small Outline Packages - SOP-J8
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3D Models
BD9C301FJ-E2 - ROHM Semiconductor - 3D model - Small Outline Packages - SOP-J8
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BD9C301FJ-E2 Details

  • Manufacturer Part Number:

    BD9C301FJ-E2

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    ROHM Semiconductor

  • YTEOL:

    7.7

  • Additional Feature:

    OUTPUT VOLTAGE SETTING RANGE IS 0.8 V TO 12.6V, SEATED HT-CALCULATED

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE

  • Seated Height-Max:

    1.65 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    550 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

BD9C301FJ-E2 Frequently Asked Questions (FAQs)

  • A recommended PCB layout for optimal thermal performance would be to have a large copper area on the bottom layer connected to the thermal pad, and to use thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended.
  • To ensure stable operation with a high-ESR output capacitor, it is recommended to add a 1-2nF ceramic capacitor in parallel with the output capacitor to reduce the ESR. Additionally, the output capacitor should be placed close to the IC to minimize the loop inductance.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the internal circuitry.
  • While a ceramic capacitor can be used for the input capacitor (CIN), it is not recommended as it may cause oscillation due to its low ESR. A electrolytic capacitor or a film capacitor is recommended instead.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout x ESR) / (f x C). Where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, f is the switching frequency, and C is the output capacitance.

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BD9C301FJ-E2 Overview

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