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UC1637J883B - Texas Instruments

Description: PWM Motor Controller 18-Pin CDIP Tube

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UC1637J883B - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-GDIP-18)
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UC1637J883B - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - J(R-GDIP-18)
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UC1637J883B Details

  • Manufacturer Part Number:

    UC1637J883B

  • 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

  • Additional Feature:

    ALSO REQUIRES -2.5V TO -20V SUPPLY

  • Analog IC - Other Type:

    3-PHASE BRUSHLESS DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-GDIP-T18

  • JESD-609 Code:

    e0

  • Length:

    24.38 mm

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current-Max:

    0.5 A

  • 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

  • Screening Level:

    MIL-STD-883 Class B

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    15 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Min (Vsup):

    2.5 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

  • Width:

    7.62 mm

UC1637J883B Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power lines.
  • Ensure the output capacitor has a low ESR, and the output voltage is within the recommended range. Also, add a 10nF capacitor between the COMP pin and GND to improve stability.
  • The maximum input voltage is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
  • The UC1637J883B is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. Ensure proper thermal design and heat sinking to prevent overheating.
  • The output voltage can be adjusted by changing the resistive divider ratio between the FB pin and the output voltage. Use the formula: Vout = 1.25V x (R1 + R2) / R2.

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UC1637J883B 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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