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UA78M33CDCY - Texas Instruments

Description: UA78M33CDCY, Linear Voltage Regulator, 0.5A 3.3 V, 4-Pin SOT-223

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PCB Footprints
UA78M33CDCY - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4
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3D Models
UA78M33CDCY - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4
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UA78M33CDCY Details

  • Manufacturer Part Number:

    UA78M33CDCY

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-223

  • Pin Count:

    4

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    2 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    5.3 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.1%

  • Load Regulation-Max:

    0.1%

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature-Max:

    125 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    3.5 V

  • Output Voltage1-Min:

    3.1 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    6%

  • Width:

    3.5 mm

UA78M33CDCY Frequently Asked Questions (FAQs)

  • The UA78M33CDCY can handle input voltages up to 35V, but it's recommended to keep the input voltage below 25V for optimal performance and to prevent overheating.
  • To ensure stability, make sure to use a minimum output capacitance of 10uF, and keep the distance between the input and output capacitors as short as possible. Also, use a low-ESR capacitor for the output capacitor.
  • The UA78M33CDCY can provide up to 1A of output current, but it's recommended to derate the output current based on the ambient temperature and the input voltage to prevent overheating.
  • To protect the UA78M33CDCY from overheating, make sure to provide adequate heat sinking, keep the ambient temperature below 70°C, and derate the output current based on the ambient temperature.
  • Yes, the UA78M33CDCY is a high-reliability device, but it's essential to follow proper design and manufacturing guidelines to ensure the device operates within its specifications and doesn't exceed its absolute maximum ratings.

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UA78M33CDCY Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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