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LDS3985PU18RY - STMicroelectronics

Description: Very low drop and low noise BiCMOS 300 mA voltage regulator

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LDS3985PU18RY - STMicroelectronics - PCB symbol
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PCB Footprints
LDS3985PU18RY - STMicroelectronics PCB footprint - Small Outline No-lead - Small Outline No-lead - DFN6 (3x3)
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LDS3985PU18RY - STMicroelectronics - 3D model - Small Outline No-lead - DFN6 (3x3)
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LDS3985PU18RY Details

  • Manufacturer Part Number:

    LDS3985PU18RY

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    DFN-6

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • 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:

    S-PDSO-N6

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Line Regulation-Max:

    0.01197%

  • Load Regulation-Max:

    0.05382%

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature TJ-Max:

    85 °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:

    VSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    4.2%

  • Width:

    3 mm

LDS3985PU18RY Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN5123, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The LDS3985PU18RY requires calibration to compensate for internal offsets and sensitivities. STMicroelectronics provides a calibration procedure in the datasheet, which involves applying known magnetic fields and measuring the output. Additionally, the application note AN5123 provides more detailed calibration guidelines.
  • The LDS3985PU18RY is rated for operation from -40°C to 125°C, but the accuracy and sensitivity of the device may degrade at extreme temperatures. It's essential to consider the temperature range of the application and ensure proper thermal management to maintain optimal performance.
  • The LDS3985PU18RY is designed to be robust against mechanical stress, but high-vibration environments may still affect its performance. STMicroelectronics recommends following the guidelines in the application note AN5123 for mechanical design and assembly to minimize the impact of vibrations.
  • The LDS3985PU18RY communicates through a standard I2C interface. STMicroelectronics provides example code and interface guidelines in the datasheet and application notes to help engineers integrate the device with their microcontroller of choice.

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LDS3985PU18RY 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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