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UC3717AQTR - Texas Instruments

Description: Motor/Motion/Ignition Controllers & Drivers Stepper Motor Drive Circuit

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UC3717AQTR - Texas Instruments - PCB symbol
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PCB Footprints
UC3717AQTR - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - FN0020A
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UC3717AQTR - Texas Instruments - 3D model - Plastic Leaded Chip Carrier - FN0020A
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UC3717AQTR Details

  • Manufacturer Part Number:

    UC3717AQTR

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QLCC

  • Package Description:

    GREEN, PLASTIC, LCC-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    IT ALSO REQUIRES 10V TO 46V SUPPLY

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    S-PQCC-J20

  • JESD-609 Code:

    e3

  • Length:

    8.965 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC20,.4SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Current-Max (Isup):

    15 mA

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    8.965 mm

UC3717AQTR Frequently Asked Questions (FAQs)

  • The UC3717AQTR is a high-frequency switching regulator, and proper layout and placement are crucial for its operation. TI recommends a 4-layer PCB with a solid ground plane, and the IC should be placed close to the input capacitors. The output filter components should be placed close to the IC, and the feedback trace should be routed away from the switching node.
  • The input capacitor should have a low ESR and be rated for the maximum input voltage. A 10uF to 22uF ceramic capacitor is recommended. The output capacitor should have a low ESR and be rated for the maximum output voltage. A 22uF to 47uF ceramic capacitor is recommended. The capacitor values and types should be chosen based on the specific application requirements.
  • The UC3717AQTR has an operating junction temperature range of -40°C to 125°C. However, the maximum ambient temperature depends on the specific application and the thermal design of the system. TI recommends a maximum ambient temperature of 85°C for most applications.
  • The output voltage of the UC3717AQTR can be adjusted by changing the resistor divider ratio between the output and the feedback pin. The feedback pin should be connected to a resistive divider network that sets the desired output voltage. The recommended resistor values are R1 = 2.2kΩ and R2 = 1kΩ for a 5V output.
  • The minimum input voltage for the UC3717AQTR is 7V, but it can operate down to 6.5V with a reduced output current. However, the recommended minimum input voltage is 8V for most applications to ensure reliable operation.

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UC3717AQTR 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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