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UC2572DTR - Texas Instruments

Description: Negative Output Flyback Pulse Width Modulator

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UC2572DTR - Texas Instruments - PCB symbol
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PCB Footprints
UC2572DTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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3D Models
UC2572DTR - Texas Instruments - 3D model - Small Outline Packages - D0008A
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UC2572DTR Details

  • Manufacturer Part Number:

    UC2572DTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    4.2 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    10 A

  • Output Voltage-Max:

    -1 V

  • Output Voltage-Min:

    -70 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • 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):

    15 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    INVERTER

  • Switching Frequency-Max:

    200 kHz

  • Temperature Grade:

    INDUSTRIAL

  • 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

UC2572DTR Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the UC2572DTR. Ensure a solid ground plane, keep the input and output traces separate, and use a star-configuration for the power supply. TI provides a recommended layout in the datasheet and application notes.
  • Select capacitors with low ESR (Equivalent Series Resistance) and high ripple current ratings. For the input capacitor, choose a value between 1-10uF, and for the output capacitor, choose a value between 10-100uF. Consult the datasheet and application notes for specific recommendations.
  • The UC2572DTR is rated for operation up to 85°C ambient temperature. However, for reliable operation, it's recommended to keep the ambient temperature below 70°C to ensure a safe operating margin.
  • Use a heat sink with a thermal resistance of 10°C/W or lower. Ensure good thermal contact between the device and heat sink. Keep the device away from other heat sources, and provide adequate airflow to prevent thermal buildup.
  • Use a shielded enclosure, keep the input and output cables separate, and use EMI filters or common-mode chokes to reduce emissions. Ensure the PCB layout is optimized for EMI reduction, and follow TI's application notes for EMI compliance.

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UC2572DTR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like UC257, or try a keyword search, such as Switching Regulator or Controllers

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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