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UCC35705DTR - Texas Instruments

Description: UCC35705DTR

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UCC35705DTR - Texas Instruments - PCB symbol
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UCC35705DTR Details

  • Manufacturer Part Number:

    UCC35705DTR

  • 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 CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    11 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.02 A

  • 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):

    5 mA

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    8.8 V

  • Supply Voltage-Nom (Vsup):

    11 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    4000 kHz

  • 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

UCC35705DTR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the UCC35705DTR evaluation module documentation, which includes guidelines for component placement, trace routing, and grounding. It's essential to follow these guidelines to minimize EMI and ensure reliable operation.
  • Texas Instruments provides a detailed application note (SLUA444) that guides designers in selecting the correct external components for their specific application. The note includes formulas and examples to help designers calculate the required component values.
  • Although not explicitly stated in the datasheet, Texas Instruments recommends limiting the output voltage stress to 150% of the nominal output voltage during startup or fault conditions. Exceeding this limit may damage the device.
  • The UCC35705DTR has built-in OVP and UVP circuits, but they require external resistors to set the threshold voltages. Texas Instruments provides a detailed description of the OVP and UVP circuits in the datasheet, along with examples of how to calculate the required resistor values.
  • Texas Instruments recommends using a thermal pad or heat sink to dissipate heat from the UCC35705DTR. The device's thermal resistance (θJA) is specified in the datasheet, and designers should ensure that their thermal management strategy keeps the junction temperature below the recommended maximum of 150°C.

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UCC35705DTR 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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