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UC2854DWTR - Texas Instruments

Description: Power Factor Correction PREREGUL 1.5mA 118KHz 16-Pin SOIC T/R

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UC2854DWTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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UC2854DWTR - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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UC2854DWTR Details

  • Manufacturer Part Number:

    UC2854DWTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • 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:

    30 V

  • Input Voltage-Min:

    15 V

  • Input Voltage-Nom:

    18 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.285 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    7.6 V

  • Output Voltage-Min:

    7.4 V

  • Output Voltage-Nom:

    7.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    10 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    BIPOLAR

  • 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:

    7.49 mm

UC2854DWTR Frequently Asked Questions (FAQs)

  • TI recommends a 4-layer PCB with a solid ground plane, and placing the IC close to the input capacitors. Keep the input and output traces short and away from each other to minimize EMI.
  • Ensure the output voltage is within the recommended range, and the output capacitor is of sufficient value and type. Also, add a small capacitor (e.g., 10nF) between the COMP pin and GND to improve stability.
  • The UC2854DWTR can handle up to 18V input voltage, but it's recommended to keep it below 15V for reliable operation and to prevent overheating.
  • The output voltage is determined by the resistive divider network connected to the FB pin. Use the formula: Vout = (R1 / R2) * (1.25V) + Vref, where R1 and R2 are the resistors in the divider network.
  • The EN (Enable) pin is used to turn the converter on and off. Connect it to a logic high (e.g., VCC) to enable the converter, and to a logic low (e.g., GND) to disable it.

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UC2854DWTR 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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