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MC34063ADR - Texas Instruments

Description: 1.5-A Boost/Buck/Inverting Switching Regulator

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MC34063ADR Details

  • Manufacturer Part Number:

    MC34063ADR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    40 V

  • Output Voltage-Min:

    1.25 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    100 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

MC34063ADR Frequently Asked Questions (FAQs)

  • The MC34063ADR can handle input voltages up to 40V, but it's recommended to keep it below 30V for reliable operation.
  • The inductor value depends on the output voltage, current, and switching frequency. A good starting point is to use the inductor selection guide in the datasheet or online calculators. Typically, a value between 10uH to 100uH is suitable for most applications.
  • The compensation capacitor (Cc) is used to stabilize the voltage regulator. The value of Cc depends on the output voltage, output current, and the type of output capacitor used. A good starting point is to use a value between 10nF to 100nF.
  • To ensure the MC34063ADR operates within its SOA, make sure to keep the input voltage, output voltage, and output current within the recommended limits. Also, ensure the device is properly heat-sinked and the PCB is designed to minimize thermal resistance.
  • The MC34063ADR can deliver up to 1.5A of output current, but it's recommended to keep it below 1A for reliable operation.

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MC34063ADR 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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