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UCC3817N - Texas Instruments

Description: Texas Instruments UCC3817N, Power Factor Pre-Regulator Circuit, 115 kHz, 12 → 17 V, 16-Pin PDIP

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UCC3817N - Texas Instruments - PCB symbol
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UCC3817N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 16 lead pdip
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UCC3817N - Texas Instruments - 3D model - Dual-In-Line Packages - 16 lead pdip
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UCC3817N Details

  • Manufacturer Part Number:

    UCC3817N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • 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-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • 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:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    250 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UCC3817N Frequently Asked Questions (FAQs)

  • TI recommends a 4-layer PCB with a solid ground plane, and placing the UCC3817N close to the input capacitors and output inductors to minimize loop areas and reduce EMI. Additionally, use a shielded inductor and keep the feedback trace away from the power traces.
  • Use the TI-provided compensation calculator tool or follow the application note (SLUA271) to determine the optimal compensation network values. The tool takes into account the output voltage, output capacitance, and inductor values to provide the recommended compensation components.
  • The UCC3817N can withstand up to 30V input voltage, but the recommended maximum input voltage is 18V to ensure reliable operation and minimize the risk of damage.
  • Yes, the UCC3817N can be used in a synchronous rectification configuration. However, it requires additional external components and careful design consideration to ensure proper operation and minimize losses.
  • Check the input voltage, output voltage, and feedback voltage to ensure they are within the recommended ranges. Verify the compensation network values and ensure the feedback trace is properly routed. Also, check for any signs of overheating or damage to the device.

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UCC3817N 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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