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LK112M18TR - STMicroelectronics

Description: Low noise and low drop voltage regulator with shutdown function

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LK112M18TR - STMicroelectronics - PCB symbol
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PCB Footprints
LK112M18TR - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - LK112M18TR
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3D Models
LK112M18TR - STMicroelectronics - 3D model - SOT23 (5-Pin) - LK112M18TR
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LK112M18TR Details

  • Manufacturer Part Number:

    LK112M18TR

  • 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:

    7.8 V

  • Input Voltage-Min:

    2.8 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:

    1.86 V

  • Output Voltage1-Min:

    1.74 V

  • Output Voltage1-Nom:

    1.8 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:

    3.3%

  • Width:

    1.625 mm

LK112M18TR 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 input capacitor values depend on the input voltage, output voltage, and desired output ripple. A general guideline is to use a minimum of 10uF ceramic capacitor with a voltage rating of at least 2x the input voltage. However, it's recommended to consult the application note AN2669 and perform simulations to determine the optimal capacitor values for your specific design.
  • While the datasheet specifies an operating temperature range of -40°C to 150°C, the maximum ambient temperature for reliable operation is typically considered to be around 125°C. Above this temperature, the device's performance and reliability may degrade. It's essential to consider thermal management and heat dissipation in your design to ensure reliable operation.
  • To ensure proper power-up and power-down sequencing, it's recommended to follow the guidelines in the datasheet and application note AN2669. This includes using a soft-start circuit, controlling the input voltage rise time, and ensuring the output voltage is stable before enabling the device.
  • To ensure EMI and EMC compliance, it's essential to follow the guidelines in the application note AN2669, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using a common-mode choke, ferrite beads, and capacitors to filter out noise and reduce emissions.

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LK112M18TR 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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