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UC3770AN - Texas Instruments

Description: Texas Instruments UC3770AN, Stepper Motor Controller, 16-Pin PDIP

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UC3770AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16
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UC3770AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16
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UC3770AN Details

  • Manufacturer Part Number:

    UC3770AN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    45 V

  • Supply Voltage-Min (Vsup):

    10 V

  • Supply Voltage-Nom (Vsup):

    36 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

UC3770AN Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC3770AN is 15V to 40V, although it can operate up to 42V with reduced performance.
  • To ensure stable operation, ensure that the input voltage is well-regulated, decouple the power supply with a 10uF capacitor, and use a minimum of 100nF capacitor on the output.
  • The UC3770AN can deliver up to 1A of output current, but this may vary depending on the input voltage, output voltage, and thermal conditions.
  • Choose an inductor with a saturation current rating higher than the peak current, and a DC resistance (DCR) that minimizes power loss. A good starting point is an inductor with a value between 10uH to 22uH.
  • The soft-start pin (SS) allows for a controlled startup of the converter, reducing inrush current and output voltage overshoot. It can be connected to a capacitor to set the soft-start time.

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UC3770AN 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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