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UC1843AJ883B - Texas Instruments

Description: Current Mode PWM Controller 5V 1A 500kHz 8-Pin CDIP Tube

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UC1843AJ883B - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8)_2021
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UC1843AJ883B - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8)_2021
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UC1843AJ883B Details

  • Manufacturer Part Number:

    UC1843AJ883B

  • 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:

    25 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-Max:

    5.05 V

  • Output Voltage-Min:

    4.95 V

  • 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):

    25 V

  • Supply Voltage-Min (Vsup):

    12 V

  • Supply Voltage-Nom (Vsup):

    11 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • 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

UC1843AJ883B Frequently Asked Questions (FAQs)

  • A good PCB layout for the UC1843AJ883B 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 UC1843AJ883B is rated for operation from -40°C to 85°C. However, the device may still function outside this range, but with reduced performance and reliability.
  • Yes, the UC1843AJ883B can be used in a synchronous rectification topology, but it requires additional circuitry and design considerations to ensure proper operation and minimize losses.
  • Use an oscilloscope to monitor the input and output waveforms, check for proper voltage and current levels, and verify the switching frequency and duty cycle. TI provides troubleshooting guidelines in the datasheet and application notes.

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UC1843AJ883B 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 UC1843AJ883B, check out Findchips.com