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UC2879DWTR - Texas Instruments

Description: Switching Controllers Phase Shift Resonant Controller

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UC2879DWTR - Texas Instruments - PCB symbol
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PCB Footprints
UC2879DWTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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3D Models
UC2879DWTR - Texas Instruments - 3D model - Small Outline Packages - DW0020A
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UC2879DWTR Details

  • Manufacturer Part Number:

    UC2879DWTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    11 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.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):

    35 mA

  • Supply Voltage-Max (Vsup):

    29 V

  • Supply Voltage-Min (Vsup):

    10.75 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    300 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

UC2879DWTR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a detailed application note (SLUA271) that covers PCB layout guidelines, including component placement, trace routing, and thermal management. It's essential to follow these guidelines to ensure proper operation and minimize electromagnetic interference (EMI).
  • The UC2879DWTR datasheet provides guidelines for input and output capacitor selection. In general, choose capacitors with low equivalent series resistance (ESR) and high ripple current ratings. X7R or X5R ceramic capacitors are suitable for most applications. Consult the datasheet and application notes for specific recommendations.
  • The UC2879DWTR has an operating temperature range of -40°C to 125°C. However, the maximum ambient temperature range depends on the specific application and thermal management. Ensure proper heat sinking and thermal design to maintain a safe operating temperature.
  • The UC2879DWTR has a built-in overcurrent protection feature. To implement it, connect a sense resistor (Rs) between the output and the GND pin. The IC will shut down when the sense voltage (Vs) exceeds 0.5V. Consult the datasheet for specific calculations and implementation details.
  • To ensure proper startup, apply the input voltage (VIN) before enabling the enable pin (EN). This allows the internal voltage regulators to stabilize before the converter starts operating. Consult the datasheet and application notes for specific startup sequence recommendations.

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UC2879DWTR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like UC287, or try a keyword search, such as Switching Regulator or Controllers

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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UC2879DWTR Alternates

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Part Image UC2879DWG4 Texas Instruments

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Part Image UC2879DWTR Rochester Electronics LLC

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Part Image UC3879DW Unitrode Corporation

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Part Image UC3879DWTR Unitrode Corporation

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Part Image UC3879DWTRG4 Texas Instruments

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For a full list of alternate parts for UC2879DWTR, check out Findchips.com