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R-78HB3.3-0.5L - RECOM Power

Description: Recom Switching Regulator, 9 → 72V dc Input, 3.3V dc Output, 500mA

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R-78HB3.3-0.5L - RECOM Power PCB footprint - Other - Other - R-78HB3.3-0.5L-1
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3D Models
R-78HB3.3-0.5L - RECOM Power  - 3D model - Other - R-78HB3.3-0.5L-1
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R-78HB3.3-0.5L Details

  • Manufacturer Part Number:

    R-78HB3.3-0.5L

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SMA, SIP3H,.75

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mainland China, Taiwan

  • ECCN Code:

    EAR99

  • Manufacturer:

    RECOM Power GmbH

  • YTEOL:

    6

  • Analog IC - Other Type:

    DC-DC REGULATED POWER SUPPLY MODULE

  • Input Voltage-Max:

    72 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    48 V

  • JESD-30 Code:

    R-PSMA-T3

  • JESD-609 Code:

    e3

  • Length:

    11.5 mm

  • Load Regulation-Max:

    0.6%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    71 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    3.399 V

  • Output Voltage-Min:

    3.201 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SMA

  • Package Equivalence Code:

    SIP3H,.75

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    18 mm

  • Surface Mount:

    NO

  • Technology:

    HYBRID

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

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

    NOT SPECIFIED

  • Total Power Output-Max:

    1.65 W

  • Trim/Adjustable Output:

    NO

  • Width:

    8.5 mm

R-78HB3.3-0.5L Frequently Asked Questions (FAQs)

  • A recommended PCB layout is to have a large copper area connected to the tab of the module, and to use thermal vias to dissipate heat to the bottom layer. This helps to reduce thermal resistance and improve overall thermal performance.
  • To ensure proper soldering, use a soldering iron with a temperature of 250-270°C, and apply a small amount of solder paste to the pads. Use a soldering technique that minimizes the time the iron is in contact with the module to prevent overheating.
  • A recommended input capacitor value is 10-22uF, with a voltage rating of 25-50V. A low-ESR ceramic or film capacitor is recommended to minimize input ripple and ensure stable operation.
  • The R-78HB3.3-0.5L is rated for operation up to 85°C, but derating is required for temperatures above 70°C. Consult the datasheet for derating curves and ensure proper thermal management to prevent overheating.
  • Use a TVS diode or a transient voltage suppressor (TVS) in parallel with the input capacitor to protect the module from voltage transients and surges. This helps to prevent damage to the module and ensure reliable operation.

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R-78HB3.3-0.5L Overview

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