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LD39115J25R - STMicroelectronics

Description: 150 mA low quiescent current low noise voltage regulator

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LD39115J25R - STMicroelectronics - PCB symbol
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LD39115J25R - STMicroelectronics PCB footprint - BGA - BGA - Flip-chip 4.
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LD39115J25R - STMicroelectronics - 3D model - BGA - Flip-chip 4.
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LD39115J25R Details

  • Manufacturer Part Number:

    LD39115J25R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    BGA

  • Package Description:

    FC-4

  • Pin Count:

    4

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.11 V

  • Dropout Voltage1-Nom:

    0.08 V

  • Input Voltage Absolute-Max:

    6 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3.5 V

  • JESD-30 Code:

    S-PBGA-B4

  • Length:

    0.788 mm

  • Line Regulation-Max:

    0.0005%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.15 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:

    VFBGA

  • Package Equivalence Code:

    BGA4,2X2,16

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    0.6 mm

  • Surface Mount:

    YES

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    40

  • Voltage Tolerance-Max:

    3%

  • Width:

    0.788 mm

LD39115J25R Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN5093, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The input capacitor selection depends on the input voltage, output current, and ripple current requirements. A general guideline is to choose a capacitor with a minimum capacitance of 10uF, a voltage rating of at least 2x the input voltage, and a low ESR (Equivalent Series Resistance) to minimize voltage ripple and ensure stability.
  • The maximum output current of the LD39115J25R is 1.5A, but it's recommended to derate the output current based on the ambient temperature and the thermal resistance of the PCB to ensure reliable operation and prevent overheating.
  • The LD39115J25R has a maximum operating junction temperature of 150°C, but it's recommended to derate the output current and ensure proper heat sinking to prevent overheating. Additionally, the regulator's performance and reliability may degrade at high temperatures, so it's essential to consult the datasheet and application notes for guidance.
  • To ensure stability, it's essential to follow the recommended PCB layout, use a suitable input capacitor, and add a minimum output capacitor of 10uF with a low ESR. Additionally, the regulator's output voltage should be decoupled with a capacitor of at least 1uF to prevent oscillations.

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LD39115J25R 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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