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LDS3985M18R - STMicroelectronics

Description: Linear Voltage Regulator IC Positive Fixed 1 Output 300mA SOT-23-5

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LDS3985M18R - STMicroelectronics - PCB symbol
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PCB Footprints
LDS3985M18R - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT23-5L-ren1
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LDS3985M18R - STMicroelectronics - 3D model - SOT23 (5-Pin) - SOT23-5L-ren1
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LDS3985M18R Details

  • Manufacturer Part Number:

    LDS3985M18R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 5 PIN

  • Pin Count:

    5

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.25 V

  • Dropout Voltage1-Nom:

    0.15 V

  • Input Voltage Absolute-Max:

    6 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2.5 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.0063%

  • 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:

    0.3 A

  • Output Voltage1-Max:

    1.875 V

  • Output Voltage1-Min:

    1.725 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:

    BICMOS

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    3%

  • Width:

    1.625 mm

LDS3985M18R Frequently Asked Questions (FAQs)

  • A good PCB layout for the LDS3985M18R involves keeping the input and output tracks as short as possible, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure proper powering and decoupling of the LDS3985M18R, use a high-quality, low-ESR capacitor (e.g., 10uF X7R) as close as possible to the device's power pins. Additionally, use a separate power plane for the device and ensure that the power supply is stable and well-regulated.
  • The recommended operating temperature range for the LDS3985M18R is -40°C to 125°C. However, it's essential to note that the device's performance may degrade at extreme temperatures, and it's recommended to operate the device within a narrower temperature range (e.g., 0°C to 85°C) for optimal performance.
  • To troubleshoot issues with the LDS3985M18R, start by verifying the power supply and decoupling, then check the input and output signals using an oscilloscope. Ensure that the device is properly configured and that the input signals are within the recommended specifications. If issues persist, consult the datasheet and application notes or contact STMicroelectronics support.
  • The LDS3985M18R is a high-reliability device, but it's essential to follow STMicroelectronics' guidelines for high-reliability applications. Ensure that you follow the recommended operating conditions, and consider implementing additional safety features, such as redundancy and error detection, to meet the requirements of your specific application.

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LDS3985M18R 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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