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LM1771USD/NOPB - Texas Instruments

Description: Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation

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PCB Footprints
LM1771USD/NOPB - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - NGG0006A-ren1
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3D Models
LM1771USD/NOPB - Texas Instruments  - 3D model - Small Outline No-lead - NGG0006A-ren1
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LM1771USD/NOPB Details

  • Manufacturer Part Number:

    LM1771USD/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    CONSTANT ON TIME

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PDSO-N6

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Output Voltage-Max:

    4.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LM1771USD/NOPB Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM1771USD/NOPB is 1.4W. However, it's recommended to derate the power dissipation based on the ambient temperature and thermal resistance of the package.
  • While the LM1771USD/NOPB is a voltage reference, it's not designed to be used as a voltage regulator. It's intended to provide a stable voltage reference for other circuits, not to regulate voltage for a load.
  • To ensure the accuracy of the voltage reference output, make sure to decouple the input pin with a capacitor, use a low-impedance power supply, and minimize noise and interference on the input and output pins.
  • The temperature coefficient of the LM1771USD/NOPB is typically around 10ppm/°C, which means the output voltage will change by 10ppm (parts per million) for every degree Celsius change in temperature.
  • While the LM1771USD/NOPB is a high-quality device, it's not specifically designed or qualified for high-reliability or aerospace applications. For such applications, consider using devices with specific qualifications, such as QML or ESCC certification.

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LM1771USD/NOPB 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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