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LK112M25TR - STMicroelectronics

Description: LK112M25TR, Low Dropout Voltage Regulator, 0.15A, 2.5 V, 2.5 → 14 Vin, 5-Pin SOT-23

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PCB Footprints
LK112M25TR - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT23-5L-ren1
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3D Models
LK112M25TR - STMicroelectronics  - 3D model - SOT23 (5-Pin) - SOT23-5L-ren1
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LK112M25TR Details

  • Manufacturer Part Number:

    LK112M25TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    ROHS COMPLIANT, SOT-23, 5 PIN

  • Pin Count:

    5

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.4

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.35 V

  • Dropout Voltage1-Nom:

    0.17 V

  • Input Voltage Absolute-Max:

    16 V

  • Input Voltage-Max:

    8.5 V

  • Input Voltage-Min:

    3.5 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.04%

  • Load Regulation-Max:

    0.09%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.15 A

  • Output Voltage1-Max:

    2.56 V

  • Output Voltage1-Min:

    2.44 V

  • Output Voltage1-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    2.4%

  • Width:

    1.625 mm

LK112M25TR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN2669, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The output capacitor value depends on the specific application requirements, such as output voltage ripple, transient response, and stability. A general guideline is to use a capacitor with a value between 10uF to 47uF, with a voltage rating of at least 25V. However, it's recommended to consult the application note AN2669 and perform simulations to determine the optimal capacitor value for your specific design.
  • The LK112M25TR is rated for operation up to 125°C ambient temperature, but it's recommended to derate the output current and voltage to ensure reliable operation at high temperatures. Consult the datasheet and application note AN2669 for more information on thermal management and derating guidelines.
  • To ensure EMC compliance, follow the guidelines in the application note AN2669, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using a metal shield or a shielded inductor to reduce radiated emissions.
  • The recommended input capacitor value is typically between 1uF to 10uF, with a voltage rating of at least 50V. A low-ESR ceramic capacitor, such as an X7R or X5R type, is recommended to minimize input voltage ripple and ensure stable operation.

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LK112M25TR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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