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UC1842J - Texas Instruments

Description: Switching Controllers Current Mode PWM Controller 8-CDIP -55 to 125

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UC1842J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8
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UC1842J - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8
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UC1842J Details

  • Manufacturer Part Number:

    UC1842J

  • 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:

    28 V

  • Input Voltage-Min:

    11 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

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    12 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

UC1842J Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC1842J is 12V to 35V, with a maximum voltage rating of 40V.
  • To ensure stability and oscillation at the desired frequency, it's essential to follow the recommended component values and PCB layout guidelines provided in the datasheet and application notes. Additionally, decoupling capacitors and a stable voltage supply are crucial.
  • The UC1842J can deliver a maximum output current of 1A, making it suitable for small to medium-power switching converter applications.
  • To protect the UC1842J from overvoltage and undervoltage conditions, it's recommended to use voltage monitoring and protection circuits, such as a voltage supervisor or a crowbar circuit, to prevent damage to the device.
  • The UC1842J is rated for operation up to 125°C, but it's essential to consider the thermal design and heat dissipation of the overall system to ensure reliable operation in high-temperature environments.

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UC1842J 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 UC1842J, check out Findchips.com