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UCC28C42D - Texas Instruments

Description: UCC28C42D, PWM Current Mode Controller, 0.2A Boost, Flyback, 1MHz 8-Pin SOIC

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UCC28C42D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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UCC28C42D - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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UCC28C42D Details

  • Manufacturer Part Number:

    UCC28C42D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, MS-012AA, SOIC-8

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES IN CURRENT MODE

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    12 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    18 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • 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):

    NOT SPECIFIED

  • Width:

    3.9 mm

UCC28C42D Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC28C42D involves keeping the input and output stages separate, using a star-ground configuration, and placing the input filter components close to the IC. Additionally, using a solid ground plane and minimizing trace lengths can help reduce EMI.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the input and output capacitors are properly sized, and the feedback resistors are correctly chosen. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the VCC pin and ground.
  • The UCC28C42D can deliver up to 2A of output current, but this depends on the input voltage, output voltage, and thermal conditions. Be sure to check the thermal derating curves in the datasheet to ensure the device can handle the required output current.
  • The UCC28C42D is rated for operation up to 125°C, but its performance may degrade at high temperatures. Be sure to check the thermal derating curves and consider using a heat sink or thermal management system if operating in high-temperature environments.
  • To protect the UCC28C42D from input voltage transients, use a TVS (transient voltage suppressor) diode or a voltage clamp circuit at the input. This will help absorb voltage spikes and prevent damage to the device.

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UCC28C42D 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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