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UCC3817AD - Texas Instruments

Description: BiCMOS Power Factor Preregualtor

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UCC3817AD - Texas Instruments - PCB symbol
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PCB Footprints
UCC3817AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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UCC3817AD - Texas Instruments - 3D model - Small Outline Packages - D (R-PDSO-G16)
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UCC3817AD Details

  • Manufacturer Part Number:

    UCC3817AD

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    10.3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.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-Max (Vsup):

    18 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    250 kHz

  • Technology:

    BICMOS

  • 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

UCC3817AD Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with short traces, and placing the IC close to the DC-DC converter. Additionally, a solid ground plane and a separate analog ground plane can help reduce noise and EMI. Refer to the TI application note SLUA144 for more details.
  • The values of the external resistors and capacitors depend on the specific application and the desired output voltage. TI provides a calculator tool, the UCC38xx Calculator, which can help determine the optimal values. Additionally, the datasheet provides guidelines and equations for selecting the components.
  • The UCC3817AD can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent damage to the IC.
  • The UCC3817AD is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at high temperatures to ensure reliable operation. Refer to the datasheet for more information on thermal derating.
  • TI recommends checking the layout and placement of the IC and the external components, ensuring that the input voltage and current are within the recommended range, and verifying that the output voltage is within the desired range. Additionally, using an oscilloscope to monitor the output voltage and current can help identify the root cause of the issue.

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UCC3817AD 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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For a full list of alternate parts for UCC3817AD, check out Findchips.com