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MC33269DG - onsemi

Description: Obsolete - LDO Regulator, 800 mA

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MC33269DG - onsemi - PCB symbol
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PCB Footprints
MC33269DG - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC-8 NB CASE 751-07 ISSUE AK
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3D Models
MC33269DG - onsemi - 3D model - Small Outline Packages - SOIC-8 NB CASE 751-07 ISSUE AK
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MC33269DG Details

  • Manufacturer Part Number:

    MC33269DG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC-8 Narrow Body

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    751-07

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    1.25 V

  • Dropout Voltage1-Nom:

    1.1 V

  • Input-Output Voltage Differential-Max:

    15 V

  • Input-Output Voltage Differential-Min:

    1.35 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Line Regulation-Max (%/V):

    0.017

  • Load Regulation-Max(%):

    0.5%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • 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:

    1.275 V

  • Output Voltage1-Min:

    1.225 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    RAIL

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

MC33269DG Frequently Asked Questions (FAQs)

  • A good PCB layout for the MC33269DG involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog circuits.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor value calculation formula provided in the datasheet. Additionally, consider the inductor's saturation current, DC resistance, and core material when selecting an inductor.
  • The MC33269DG is rated for operation from -40°C to 125°C. However, the maximum ambient temperature range may be limited by the specific application and the thermal design of the system.
  • Yes, the MC33269DG can be used in a synchronous rectification configuration. However, this requires additional external components and careful design consideration to ensure proper operation and minimize power losses.
  • To troubleshoot issues with the MC33269DG, start by verifying the PCB layout and component selection. Check for proper decoupling, input and output capacitor selection, and inductor value. Use an oscilloscope to measure the input and output waveforms, and check for signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting and debugging.

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MC33269DG Overview

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MC33269DG Alternates

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Part Image MC33269DR2G onsemi

Adjustable Positive LDO Regulator, 1.225V Min, 1.275V Max, 1.25V Dropout, BIPolar, PDSO8
Part Image MC33269D onsemi

Adjustable Positive LDO Regulator, 1.225V Min, 1.275V Max, 1.25V Dropout, BIPolar, PDSO8