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PTN78000WAZT - Texas Instruments

Description: Texas Instruments PTN78000WAZT, Step Down DC-DC Switching Regulator, Adjustable, 2.5 → 12.6 V, 0A 5-Pin

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PTN78000WAZT - Texas Instruments PCB footprint - Other - Other - PTN78000WAZT-2
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PTN78000WAZT - Texas Instruments  - 3D model - Other - PTN78000WAZT-2
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PTN78000WAZT Details

  • Manufacturer Part Number:

    PTN78000WAZT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    5

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.40.95.80

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    7 V

  • Input Voltage-Nom:

    20 V

  • JESD-30 Code:

    R-XDMA-B5

  • JESD-609 Code:

    e1

  • Length:

    18.92 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    12.6 V

  • Output Voltage-Min:

    2.5 V

  • Output Voltage-Nom:

    12 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    DMA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    MICROELECTRONIC ASSEMBLY

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    8.5 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    660 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    3.175 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    12.57 mm

PTN78000WAZT Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • Ensure that the input voltage rises and falls monotonically, and that the enable pin is properly driven to prevent unwanted start-up or shutdown. A soft-start circuit can also be used to reduce inrush current.
  • The output filter components (L, C), input capacitors, and feedback resistors are critical components that require careful selection to ensure stability and performance.
  • Use the datasheet's recommended compensation components and adjust them based on the specific application's requirements. A type-III compensation network is recommended for most applications.
  • Use a common-mode choke and differential-mode capacitors to filter EMI. Ensure proper PCB layout and shielding to minimize radiated emissions and susceptibility.

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PTN78000WAZT 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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