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UC3854DWTR - Texas Instruments

Description: High Power Factor Preregulator

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UC3854DWTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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UC3854DWTR - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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UC3854DWTR Details

  • Manufacturer Part Number:

    UC3854DWTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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:

    70 °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:

    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:

    7.49 mm

UC3854DWTR Frequently Asked Questions (FAQs)

  • It is recommended to follow a star-grounding configuration, keep the input and output stages separate, and use a multi-layer PCB with a solid ground plane to minimize EMI and noise.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines, and add a compensation network if necessary. Also, ensure that the output voltage is within the specified range and the input voltage is within the recommended operating range.
  • The maximum output current capability of the UC3854DWTR is 4A, but it can be limited by the thermal design and the maximum junction temperature of 150°C.
  • Use a voltage supervisor or a voltage monitor to detect overvoltage and undervoltage conditions, and implement a shutdown or reset mechanism to protect the device and the system.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor, depending on the input voltage and the desired ripple rejection.

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UC3854DWTR 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 UC3854DWTR, check out Findchips.com