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LDS3985M25R - STMicroelectronics

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

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LDS3985M25R - STMicroelectronics - PCB symbol
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PCB Footprints
LDS3985M25R - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - LDS3985M25R
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LDS3985M25R - STMicroelectronics - 3D model - SOT23 (5-Pin) - LDS3985M25R
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LDS3985M25R Details

  • Manufacturer Part Number:

    LDS3985M25R

  • 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:

    e3

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.0075%

  • 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:

    2.575 V

  • Output Voltage1-Min:

    2.425 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:

    BICMOS

  • 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%

  • Width:

    1.625 mm

LDS3985M25R 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 LDS3985M25R requires calibration to compensate for internal offsets and sensitivity variations. STMicroelectronics provides a calibration procedure in the application note AN5123, which involves applying a known magnetic field and adjusting the internal registers to achieve accurate measurements.
  • The LDS3985M25R is specified to operate from -40°C to 125°C, but the accuracy and sensitivity of the device may degrade at extreme temperatures. It's essential to consult the datasheet and application notes for specific temperature-related performance characteristics.
  • The LDS3985M25R is designed to operate in environments with moderate vibration levels. However, extreme vibration can affect the device's accuracy and reliability. STMicroelectronics recommends evaluating the device's performance in the specific vibration environment and considering additional mechanical stabilization or filtering if necessary.
  • The LDS3985M25R communicates through a standard I2C or SPI interface. STMicroelectronics provides example code and interface guidelines in the application notes and software development kits (SDKs) to help engineers integrate the device with their chosen microcontroller or digital system.

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LDS3985M25R 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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