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UC3637DWTR - Texas Instruments

Description: Switched Mode Controller for DC Motor Drive

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UC3637DWTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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UC3637DWTR - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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UC3637DWTR Details

  • Manufacturer Part Number:

    UC3637DWTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • 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-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 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:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

UC3637DWTR Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 25V or higher, to ensure stable operation and minimize input ripple.
  • To ensure SOA, monitor the input voltage, output current, and junction temperature. Keep the input voltage within the recommended range (7V to 18V), output current below 3A, and junction temperature below 125°C.
  • The EN pin is an active-high enable input that allows the device to be shut down or enabled. Connect EN to VIN to enable the device, or connect it to GND to shut it down.
  • The output voltage (VOUT) is determined by the resistive divider network (R1 and R2) connected to the FB (feedback) pin. Use the formula: VOUT = 1.235V x (R1 + R2) / R2.
  • The UC3637DWTR can deliver up to 3A of output current, but it's recommended to derate the output current to 2.5A or lower to ensure reliable operation and minimize thermal stress.

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UC3637DWTR 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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