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R1270S001A-E2-FE - Ricoh

Description: Switching Voltage Regulators Buck DC/DC Converter

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R1270S001A-E2-FE - Ricoh PCB footprint - Small Outline Packages - Small Outline Packages - HSOP-18
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R1270S001A-E2-FE - Ricoh  - 3D model - Small Outline Packages - HSOP-18
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R1270S001A-E2-FE Details

  • Manufacturer Part Number:

    R1270S001A-E2-FE

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Transferred

  • Package Description:

    HSOP-18

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Ricoh Electronic Devices Co Ltd

  • Additional Feature:

    IT ALSO HAS VFM MODE OF CONTROL

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    34 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G18

  • JESD-609 Code:

    e3

  • Length:

    5.2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSSOP

  • Package Equivalence Code:

    SSOP18,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.6 mm

  • Supply Current-Max (Isup):

    1.3 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2640 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    10

  • Width:

    4.4 mm

R1270S001A-E2-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, follow the recommended component values and PCB layout in the datasheet. Additionally, use a low-ESR output capacitor (e.g., ceramic or polymer) and a high-quality input capacitor. Avoid using long, thin traces and keep the feedback loop as short as possible.
  • The R1270S001A-E2-FE can tolerate up to 1V of input voltage ripple. Exceeding this limit may affect the regulator's performance and stability.
  • The R1270S001A-E2-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 design to maintain a safe operating temperature.
  • Use the formula: Pd = (Vin - Vout) x Iout. Estimate the input current (Iin) based on the output current (Iout) and efficiency (η) of the regulator. Then, calculate the power dissipation (Pd) and use a thermal resistance (Rth) of 25°C/W to estimate the junction temperature rise (ΔTj).

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R1270S001A-E2-FE Overview

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