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UC2842D8 - Texas Instruments

Description: Texas Instruments UC2842D8, PWM Current Mode Controller, 1 A, 500 kHz 8-Pin SOIC

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UC2842D8 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A height 1.75
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UC2842D8 - Texas Instruments  - 3D model - Small Outline Packages - D0008A height 1.75
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UC2842D8 Details

  • Manufacturer Part Number:

    UC2842D8

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    11 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Nom:

    5 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):

    25 mA

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    16 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 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):

    30

  • Width:

    3.9 mm

UC2842D8 Frequently Asked Questions (FAQs)

  • The UC2842D8 is a high-frequency switching converter, and as such, it requires careful PCB layout and design considerations to minimize electromagnetic interference (EMI) and ensure reliable operation. Texas Instruments provides a recommended layout and PCB design guide in their application notes and design resources.
  • The selection of external components for the UC2842D8 depends on the specific application requirements, such as the input voltage, output voltage, and output current. Texas Instruments provides a component selection guide and design tools, such as the WEBENCH Power Designer, to help engineers select the right components for their design.
  • The UC2842D8 has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Engineers should ensure that the device is properly heat-sinked and that the operating temperature is within the recommended range to ensure reliable operation.
  • Troubleshooting common issues with the UC2842D8 requires a systematic approach, including checking the PCB layout, component values, and operating conditions. Texas Instruments provides application notes and troubleshooting guides to help engineers identify and resolve common issues.
  • Yes, the UC2842D8 can be used in a synchronous rectification configuration, which can improve efficiency and reduce power losses. However, this requires additional external components and careful design considerations to ensure proper operation.

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UC2842D8 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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