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UC1843J883B - Texas Instruments

Description: Current Mode PWM Controller 1A 8-Pin CDIP Tube

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UC1843J883B - Texas Instruments - PCB symbol
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PCB Footprints
UC1843J883B - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8
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UC1843J883B - Texas Instruments - 3D model - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8
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UC1843J883B Details

  • Manufacturer Part Number:

    UC1843J883B

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • 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:

    30 V

  • Input Voltage-Min:

    8.2 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-GDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.58 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-STD-883 Class B

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Min (Vsup):

    8.5 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC1843J883B Frequently Asked Questions (FAQs)

  • A good PCB layout for the UC1843J883B involves keeping the input and output stages separate, using a star-ground configuration, and minimizing loop areas to reduce EMI. TI provides a recommended layout in the datasheet and application notes.
  • Choose 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 provides inductor selection guidelines in the datasheet and application notes.
  • The UC1843J883B is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and thermal design. Consult the datasheet and thermal design guidelines for more information.
  • Proper compensation involves selecting the right compensation components (R, C, and L) based on the output voltage, switching frequency, and load characteristics. TI provides compensation guidelines and examples in the datasheet and application notes.
  • Key considerations include using a common-mode choke, differential-mode inductors, and shielding the PCB and components to minimize radiated emissions. Consult the datasheet and EMI guidelines for more information.

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UC1843J883B 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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For a full list of alternate parts for UC1843J883B, check out Findchips.com