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LK112SM50TR - STMicroelectronics

Description: Output current up to 200 mA • Low-dropout voltage (500 mV max. at IOUT = 200 mA) • Very low quiescent current: 0.1 µA in OFF mode and max. 250 µA in ON mode at IOUT = 0 mA • Low output noise: typ. 30 µV at IOUT = 60 mA and 10 Hz < f < 80 kHz • Wide range of output voltages • Internal current and thermal limit • VOUT tolerance ± 2% (at 25 °C) • Operative input voltage from: VOUT + 0.5 to 14 V (for VOUT > 2 V) or from 2.5 V to 14 V (for VOUT < 2 V)

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LK112SM50TR - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - ..SOT23-5 mechanical data *
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LK112SM50TR - STMicroelectronics  - 3D model - SOT23 (5-Pin) - ..SOT23-5 mechanical data *
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LK112SM50TR Details

  • Manufacturer Part Number:

    LK112SM50TR

  • 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:

    6.8

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.5 V

  • Dropout Voltage1-Nom:

    0.35 V

  • Input Voltage Absolute-Max:

    16 V

  • Input Voltage-Max:

    11 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.02%

  • 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:

    0.2 A

  • Output Voltage1-Max:

    5.1 V

  • Output Voltage1-Min:

    4.9 V

  • Output Voltage1-Nom:

    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%

  • Width:

    1.625 mm

LK112SM50TR Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 2-layer PCB with a thermal pad connected to a large copper area on the bottom layer to dissipate heat efficiently.
  • Ensure proper heat sinking, use a thermally conductive interface material, and follow the recommended PCB layout guidelines to minimize thermal resistance.
  • The maximum allowed voltage on the input pins is 5.5V, exceeding which may cause damage to the device.
  • Yes, the LK112SM50TR is suitable for high-frequency switching applications up to 1 MHz, but ensure proper PCB layout and decoupling to minimize EMI and noise.
  • Use ESD protection devices such as TVS diodes or ESD arrays on the input lines, and follow proper handling and storage procedures to prevent ESD damage.

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LK112SM50TR 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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