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UCC2976PW - Texas Instruments

Description: UCC2976PW, Fluorescent Lamp Controller Driver, 3.3 V, 5 V, 9 V, 12 V, 8-Pin TSSOP

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UCC2976PW - Texas Instruments - PCB symbol
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PCB Footprints
UCC2976PW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0008A 2021
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3D Models
UCC2976PW - Texas Instruments - 3D model - Small Outline Packages - PW0008A 2021
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UCC2976PW Details

  • Manufacturer Part Number:

    UCC2976PW

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, TSSOP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    FLUORESCENT LIGHT CONTROLLER

  • Control Technique:

    RESONANT CONTROL

  • Input Voltage-Max:

    13.5 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    2.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    105 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

UCC2976PW Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC2976PW involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and loops. TI provides a recommended layout in the datasheet and application notes.
  • Select an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value based on the switching frequency and output voltage. TI's WEBENCH tool can help with inductor selection and design optimization.
  • The UCC2976PW is rated for operation up to 85°C ambient temperature. However, derating may be necessary for high-power applications or extreme environmental conditions. Consult the datasheet and thermal design guidelines for more information.
  • Implement a soft-start circuit to limit inrush current during start-up, and use a voltage supervisor or reset circuit to ensure proper shutdown and reset of the converter. TI's application notes provide guidance on start-up and shutdown sequencing.
  • Use a shielded inductor, keep the switching frequency above 1 MHz, and implement a snubber circuit to reduce EMI. Additionally, use a common-mode choke and filter capacitors to minimize noise. TI's EMI guidelines and application notes provide more detailed information.

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UCC2976PW 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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Part Image UCC2976PWG4 Texas Instruments

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