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LP3981ILD-3.3 - Texas Instruments

Description: Ultra Low-Dropout CMOS Voltage Regulator

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LP3981ILD-3.3 - Texas Instruments - PCB symbol
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PCB Footprints
LP3981ILD-3.3 - Texas Instruments PCB footprint - Other - Other - DFN300X400X80-7N
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LP3981ILD-3.3 Details

  • Manufacturer Part Number:

    LP3981ILD-3.3

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    WSON-6

  • Pin Count:

    6

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.2 V

  • Dropout Voltage1-Nom:

    0.132 V

  • Input Voltage Absolute-Max:

    6.5 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2.7 V

  • JESD-30 Code:

    R-PDSO-N6

  • JESD-609 Code:

    e0

  • Length:

    4 mm

  • Line Regulation-Max:

    0.01452%

  • Load Regulation-Max:

    0.049%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.3 A

  • Output Voltage1-Max:

    3.399 V

  • Output Voltage1-Min:

    3.201 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC6,.15,32

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    DUAL

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

    20

  • Voltage Tolerance-Max:

    3%

  • Width:

    3 mm

LP3981ILD-3.3 Frequently Asked Questions (FAQs)

  • The minimum input voltage required for the LP3981ILD-3.3 to operate is 2.5V, but it's recommended to use a minimum of 3.5V to ensure proper operation and to account for any voltage drops in the system.
  • To ensure stability, make sure to follow the recommended layout and component placement guidelines in the datasheet, and use a minimum of 1uF capacitor at the input and output pins. Additionally, ensure that the output capacitor is placed close to the device and has a low ESR (Equivalent Series Resistance).
  • The LP3981ILD-3.3 is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to ensure reliable operation. Consult the datasheet for specific derating guidelines.
  • The power dissipation of the LP3981ILD-3.3 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Make sure to consider the thermal resistance of the package and the PCB layout when calculating the power dissipation.
  • The LP3981ILD-3.3 is not AEC-Q100 qualified, which is a standard for automotive-grade components. However, it can still be used in automotive applications if the specific requirements of the system are met, such as operating temperature range, voltage tolerance, and reliability. Consult with Texas Instruments or a qualified engineer to determine if the LP3981ILD-3.3 is suitable for your specific automotive application.

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LP3981ILD-3.3 Overview

Use the download button to access the LP3981ILD-3.3 schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like LP398, or try a keyword search, such as Linear Regulator ICs

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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