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UA78M33CDCYR - Texas Instruments

Description: 500-mA, 25-V, Linear Voltage Regulators

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PCB Footprints
UA78M33CDCYR - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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3D Models
UA78M33CDCYR - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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UA78M33CDCYR Details

  • Manufacturer Part Number:

    UA78M33CDCYR

  • 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:

    TR

  • 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

UA78M33CDCYR Frequently Asked Questions (FAQs)

  • The UA78M33CDCYR can handle input voltages up to 35V, but it's recommended to keep the input voltage at least 2V above the output voltage to ensure proper regulation.
  • To ensure stability, make sure to use a minimum output capacitance of 10uF, and an ESR (Equivalent Series Resistance) of less than 5 ohms. Additionally, keep the input and output capacitors close to the regulator to minimize parasitic inductance.
  • The UA78M33CDCYR can provide up to 500mA of output current, but this may vary depending on the input voltage, output voltage, and ambient temperature.
  • To prevent overheating, ensure good airflow around the regulator, and consider using a heat sink if the device will be operating at high temperatures or with high input voltages. Also, keep the output current below the maximum rating.
  • Yes, the UA78M33CDCYR is a high-reliability device, but it's essential to follow proper design and manufacturing guidelines to ensure the device operates within its specifications. Additionally, consider using a radiation-hardened version of the device if it will be used in a high-radiation environment.

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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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