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LM1771TMM/NOPB - Texas Instruments

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

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LM1771TMM/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK (S-PDSO-G8)
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LM1771TMM/NOPB - Texas Instruments  - 3D model - Small Outline Packages - DGK (S-PDSO-G8)
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LM1771TMM/NOPB Details

  • Manufacturer Part Number:

    LM1771TMM/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-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • 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:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 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:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LM1771TMM/NOPB Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM1771TMM/NOPB is 1.4W, but it can be increased to 2.5W with proper heat sinking.
  • Yes, the LM1771TMM/NOPB can be used as a voltage regulator, but it's not recommended as it's primarily designed as a voltage reference. For voltage regulation, consider using a dedicated voltage regulator IC like the LM317 or LM337.
  • To ensure the accuracy of the voltage reference output, make sure to decouple the input voltage with a capacitor, use a low-ESR capacitor for the output, and keep the device away from noise sources and high-current circuits.
  • The LM1771TMM/NOPB is rated for operation up to 125°C, but its accuracy and stability may degrade at high temperatures. Consider using a temperature-compensated voltage reference or a more robust device for high-temperature applications.
  • To minimize noise and ensure reliable operation, follow good PCB layout practices such as separating analog and digital circuits, using ground planes, and keeping the voltage reference output away from noisy signals and high-current paths.

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LM1771TMM/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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