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R1172N421D-TR-FE - Ricoh

Description: LDO Voltage Regulators Low Voltage 1A Voltage Regulator

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R1172N421D-TR-FE - Ricoh - PCB symbol
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PCB Footprints
R1172N421D-TR-FE - Ricoh PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - sot-23-5-1
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3D Models
R1172N421D-TR-FE - Ricoh - 3D model - SOT23 (5-Pin) - sot-23-5-1
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R1172N421D-TR-FE Details

  • Manufacturer Part Number:

    R1172N421D-TR-FE

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Transferred

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 5 PIN

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Ricoh Electronic Devices Co Ltd

  • Dropout Voltage1-Max:

    0.1 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    4.7 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Output Voltage1-Max:

    4.284 V

  • Output Voltage1-Min:

    4.116 V

  • Output Voltage1-Nom:

    4.2 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    2%

R1172N421D-TR-FE Frequently Asked Questions (FAQs)

  • Ricoh recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
  • To ensure stability, use a 10uF or larger output capacitor with a low ESR (Equivalent Series Resistance) and a 1uF or larger input capacitor. Also, keep the feedback loop as short as possible and avoid using long wires or traces.
  • The maximum allowed voltage on the enable pin is 6V. Exceeding this voltage may damage the device.
  • The R1172N421D-TR-FE is rated for operation up to 125°C. However, the maximum junction temperature (Tj) should not exceed 150°C. Ensure proper heat sinking and thermal management to prevent overheating.
  • Power dissipation (PD) can be calculated using the formula: PD = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.

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R1172N421D-TR-FE Overview

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