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LP3891ES-1.2 - Texas Instruments

Description: Linear regulators

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LP3891ES-1.2 - Texas Instruments PCB footprint - Other - Other - TO170P1435X465-6N
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LP3891ES-1.2 Details

  • Manufacturer Part Number:

    LP3891ES-1.2

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    D2PAK

  • Package Description:

    TO-263, 5 PIN

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.4 V

  • Dropout Voltage1-Nom:

    0.1 V

  • Input Voltage Absolute-Max:

    6 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.6 V

  • JESD-30 Code:

    R-PSSO-G5

  • JESD-609 Code:

    e0

  • Length:

    10.16 mm

  • Line Regulation-Max:

    0.000468%

  • Load Regulation-Max:

    0.00072%

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.8 A

  • Output Voltage1-Max:

    1.246 V

  • Output Voltage1-Min:

    1.186 V

  • Output Voltage1-Nom:

    1.2 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP5H,.6,67TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    4.8 mm

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    SINGLE

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    2.5%

  • Width:

    8.64 mm

LP3891ES-1.2 Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input voltage ripple and improve output voltage regulation.
  • To ensure stability, it is recommended to use a minimum output capacitor value of 10uF with an ESR (Equivalent Series Resistance) of 0.1 ohms or less. Additionally, the output capacitor should be placed close to the regulator to minimize parasitic inductance and resistance.
  • The maximum input voltage that can be applied to LP3891ES-1.2 is 15V. Exceeding this voltage can cause damage to the regulator and affect its performance.
  • Yes, LP3891ES-1.2 can operate in a high-temperature environment, but its performance may be affected. The regulator is rated for operation up to 125°C, but its output voltage accuracy and regulation may degrade at higher temperatures.
  • The power dissipation of LP3891ES-1.2 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. The maximum power dissipation rating of LP3891ES-1.2 is 1.5W.

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LP3891ES-1.2 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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