Part Image

LD3985M27R - STMicroelectronics

Description: Ultra low drop-low noise BiCMOS voltage regulators low ESR capacitors compatible

Download LD3985M27R Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
LD3985M27R - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT23-5L_2022_1_2
click to zoom
3D Models
LD3985M27R - STMicroelectronics  - 3D model - SOT23 (5-Pin) - SOT23-5L_2022_1_2
click to zoom

LD3985M27R Details

  • Manufacturer Part Number:

    LD3985M27R

  • 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:

    0.1 V

  • Dropout Voltage1-Nom:

    0.06 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:

    0.00756%

  • Load Regulation-Max:

    0.0201%

  • 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:

    2.781 V

  • Output Voltage1-Min:

    2.619 V

  • Output Voltage1-Nom:

    2.7 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

LD3985M27R Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4953, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines in the datasheet. Additionally, adding a small ceramic capacitor (e.g., 10nF) in parallel with the output capacitor can help to dampen oscillations.
  • Although the recommended input voltage range is 2.5V to 5.5V, the LD3985M27R can withstand up to 6V for a short duration (e.g., during power-up or voltage transients). However, prolonged exposure to voltages above 5.5V may reduce the device's lifespan or cause permanent damage.
  • The LD3985M27R is rated for operation up to 125°C (TJ). However, the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended thermal management guidelines and ensure that the device is properly cooled to maintain reliable operation.
  • The output voltage tolerance can be calculated using the formula provided in the datasheet. Additionally, consider the effects of temperature, input voltage, and output current on the output voltage to ensure that it meets your application's requirements.

Trust Checks

This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

LD3985M27R Overview

Use the download button to access the LD3985M27R schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LD398, or try a keyword search, such as Linear Regulator ICs

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

Parts related to LD3985M27R

Showing 0 results

LD3985M27R Alternates

Showing results

Image Part Number Model
Part Image LD3985G27R STMicroelectronics

Fixed Positive LDO Regulator, 2.7V, 0.1V Dropout, BICMOS, PDSO5