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BD4271HFP-CTR - ROHM Semiconductor

Description: LDO Voltage Regulators

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BD4271HFP-CTR - ROHM Semiconductor PCB footprint - Other - Other - BD4271HFP-CTR-1
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BD4271HFP-CTR - ROHM Semiconductor  - 3D model - Other - BD4271HFP-CTR-1
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BD4271HFP-CTR Details

  • Manufacturer Part Number:

    BD4271HFP-CTR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    ROHM Semiconductor

  • YTEOL:

    7

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.5 V

  • Dropout Voltage1-Nom:

    0.2 V

  • Input Voltage Absolute-Max:

    45 V

  • Input Voltage-Max:

    45 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-PSSO-G7

  • Length:

    9.395 mm

  • Line Regulation-Max:

    0.03%

  • Load Regulation-Max:

    0.04%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    7

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.55 A

  • Output Voltage1-Max:

    5.1 V

  • Output Voltage1-Min:

    4.9 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SMSIP5H,.37,50TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    2.135 mm

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    2%

  • Width:

    8 mm

BD4271HFP-CTR Frequently Asked Questions (FAQs)

  • A recommended PCB layout for optimal thermal performance would be to use a large copper area on the bottom layer as a heat sink, connected to the thermal pad of the IC. This helps to dissipate heat efficiently.
  • To ensure stable operation with a high-ESR output capacitor, it is recommended to add a small ceramic capacitor (e.g., 1uF) in parallel with the output capacitor to improve the overall ESR and reduce oscillation risk.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the IC.
  • While the BD4271HFP-CTR is rated for operation up to 105°C, it's essential to consider the derating of the IC's performance and reliability at high temperatures. Consult the datasheet and ROHM's application notes for guidance on high-temperature operation.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency.

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