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MC33269ST-3.3T3G - onsemi

Description: Output Current in Excess of 800 mA; 1.0 V Dropout; Short Circuit Protection; Output Trimmed to 1.0% Tolerance; Thermal Protection; 3.3 V, 5.0 V, 12 V and Adjustable Versions 2.85 V version available as MC34268.; Space Saving DPAK, SOP-8 and SOT-223 Power Packages; Pb-Free Packages are Available

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MC33269ST-3.3T3G - onsemi PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - SOT-223-2020-1
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MC33269ST-3.3T3G - onsemi  - 3D model - SOT223 (3-Pin) - SOT-223-2020-1
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MC33269ST-3.3T3G Details

  • Manufacturer Part Number:

    MC33269ST-3.3T3G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-223 (TO-261) 4 LEAD

  • Pin Count:

    4

  • Manufacturer Package Code:

    0.0318

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    6.2

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1.35 V

  • Dropout Voltage1-Nom:

    1.1 V

  • Input Voltage Absolute-Max:

    20 V

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    4.8 V

  • JESD-30 Code:

    R-PSSO-G3

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.0099%

  • Load Regulation-Max:

    0.0165%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.8 A

  • Output Voltage1-Max:

    3.37 V

  • Output Voltage1-Min:

    3.23 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 LDO REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    2.12%

  • Width:

    3.5 mm

MC33269ST-3.3T3G Frequently Asked Questions (FAQs)

  • A good thermal design should include a solid ground plane, thermal vias, and a heat sink if necessary. The datasheet provides some guidelines, but a more detailed application note or a reference design would be helpful.
  • To ensure stable and accurate output voltage, make sure to follow the recommended capacitor selection, layout, and decoupling guidelines. Additionally, consider using a voltage reference IC or a precision resistor divider network to improve accuracy.
  • To minimize EMI and noise, use a shielded inductor, keep the switching node away from sensitive analog circuits, and use a common-mode choke or ferrite bead to filter the output. Also, ensure proper PCB layout and grounding techniques.
  • The MC33269ST-3.3T3G has built-in overcurrent protection, but you may want to add external circuitry for more advanced fault detection and handling. Consider using a current sense resistor and a comparator or a dedicated fault detection IC.
  • The datasheet provides thermal derating curves, but for high-temperature applications, consider using a heat sink, thermal interface material, and ensuring good airflow. Also, consult the manufacturer's application notes for specific guidance.

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MC33269ST-3.3T3G Overview

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Part Image MC33269ST-3.3T3 onsemi

Fixed Positive LDO Regulator, 3.3V, 1.35V Dropout, BIPolar, PSSO3