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UC2854ADW - Texas Instruments

Description: Texas Instruments UC2854ADW, Power Factor Pre-Regulator Circuit, 115 kHz, 10 → 20 V, 16-Pin SOIC

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PCB Footprints
UC2854ADW - Texas Instruments PCB footprint - Other - Other - SOIC127P1030X265-16N
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3D Models
UC2854ADW - Texas Instruments  - 3D model - Other - SOIC127P1030X265-16N
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UC2854ADW Details

  • Manufacturer Part Number:

    UC2854ADW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    1992-12-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    10 V

  • Input Voltage-Nom:

    18 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 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):

    12 mA

  • Supply Voltage-Max (Vsup):

    20 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:

    7.5 mm

UC2854ADW Frequently Asked Questions (FAQs)

  • TI recommends a 4-layer PCB with a solid ground plane, and placing the IC close to the input capacitors. Also, keep the high-frequency components (e.g., diodes, inductors) away from the IC and use a shielded inductor to reduce EMI.
  • Choose low-ESR capacitors with a voltage rating higher than the maximum input voltage. For the output capacitor, select a capacitor with a capacitance value that meets the required output ripple specification. TI recommends using X5R or X7R ceramic capacitors.
  • The UC2854ADW is rated for operation from -40°C to 85°C. However, the device can be operated up to 125°C with derating. Consult the datasheet for thermal derating curves.
  • The UC2854ADW has a SYNC pin that can be used to synchronize the internal oscillator with an external clock signal. Connect the external clock signal to the SYNC pin, and ensure the clock frequency is within the recommended range (100 kHz to 500 kHz).
  • The EN pin is an active-high enable input that allows the user to turn the converter on or off. When EN is high, the converter is enabled, and when EN is low, the converter is disabled and the output is disconnected from the input.

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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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