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UC1903J - Texas Instruments

Description: Processor Supervisor Adj 4 Active Low/Open Drain 18-Pin CDIP Tube

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UC1903J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-GDIP-18)
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UC1903J - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - J(R-GDIP-18)
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UC1903J Details

  • Manufacturer Part Number:

    UC1903J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    18

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-GDIP-T18

  • JESD-609 Code:

    e0

  • Length:

    22.606 mm

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP18,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    15 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +1.8V

  • Width:

    7.62 mm

UC1903J Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC1903J is 12V to 18V, with a typical operating voltage of 15V.
  • To ensure proper biasing, connect a 1kΩ resistor between the VCC pin and the VIN pin, and a 2.2kΩ resistor between the VIN pin and ground. This will provide a stable voltage reference for the internal voltage regulator.
  • The UC1903J can deliver up to 1A of output current, making it suitable for powering small to medium-sized loads.
  • The UC1903J has a built-in overcurrent protection feature. To implement it, connect a sense resistor (Rs) between the output pin and ground. The device will shut down if the current through Rs exceeds 1.5A.
  • The UC1903J is rated for operation up to 125°C, making it suitable for use in high-temperature environments. However, ensure proper thermal management and heat sinking to prevent overheating.

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UC1903J 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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Part Image 5962-8869701VA Texas Instruments

Voltage Supervisor/Reset IC, Adjustable, 4 Channel, +1.8V, BIPolar, CDIP18