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UC3637N - Texas Instruments

Description: Switched Mode Controller for DC Motor Drive

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UC3637N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - pdip
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UC3637N - Texas Instruments  - 3D model - Dual-In-Line Packages - pdip
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UC3637N Details

  • Manufacturer Part Number:

    UC3637N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs 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

  • Analog IC - Other Type:

    3-PHASE BRUSHLESS DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDIP-T18

  • JESD-609 Code:

    e4

  • Length:

    22.48 mm

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.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):

    20 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC3637N Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 25V or higher, and an ESR of 0.1 ohms or less.
  • To ensure stability, make sure to follow the recommended PCB layout guidelines, use a low-ESR output capacitor, and add a 1kohm to 10kohm resistor in series with the feedback pin to prevent oscillation.
  • The maximum output current of the UC3637N is 3A, but it can be limited by the input voltage, output voltage, and thermal considerations.
  • The UC3637N 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 UC3637N can be synchronized with an external clock signal applied to the SYNC pin. The external clock frequency should be within 10% of the internal oscillator frequency (around 40kHz).

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UC3637N 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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