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UCC25705DGK - Texas Instruments

Description: High Speed Voltage Mode Pulse Width Modulator

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UCC25705DGK - Texas Instruments - PCB symbol
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PCB Footprints
UCC25705DGK - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK (S-PDSO-G8)
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UCC25705DGK - Texas Instruments - 3D model - Small Outline Packages - DGK (S-PDSO-G8)
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UCC25705DGK Details

  • Manufacturer Part Number:

    UCC25705DGK

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • 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:

    S-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.02 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    5 mA

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Nom (Vsup):

    11 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    4000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

UCC25705DGK Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA623, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The selection of the transformer depends on the specific application requirements, such as input voltage, output voltage, and power rating. Texas Instruments provides a transformer selection guide in the application note SLUA624, which includes a step-by-step process for selecting the right transformer.
  • The UCC25705DGK has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal management to prevent overheating and ensure reliable operation.
  • The UCC25705DGK has built-in OVP and UVP features, but they require external resistors and capacitors to set the threshold voltages. The application note SLUA625 provides a detailed guide on how to implement OVP and UVP using the UCC25705DGK.
  • The recommended input capacitor value is typically in the range of 10uF to 22uF, and the type should be a low-ESR ceramic or film capacitor. The application note SLUA626 provides more information on input capacitor selection and placement.

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UCC25705DGK 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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