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LDK715PU50R - STMicroelectronics

Description: High input voltage 85 mA LDO linear regulator

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LDK715PU50R - STMicroelectronics - PCB symbol
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LDK715PU50R - STMicroelectronics PCB footprint - Other - Other - LDK715PU50R-3
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LDK715PU50R Details

  • Manufacturer Part Number:

    LDK715PU50R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1 V

  • Dropout Voltage1-Nom:

    1 V

  • Input Voltage Absolute-Max:

    26 V

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    S-PDSO-N8

  • Length:

    3 mm

  • Line Regulation-Max:

    0.0036%

  • Load Regulation-Max:

    0.012735%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.085 A

  • Output Voltage1-Max:

    5.1 V

  • Output Voltage1-Min:

    4.9 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    2%

  • Width:

    3 mm

LDK715PU50R Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4979, 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, ripple current, and ESR requirements. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the maximum input voltage, and an ESR of less than 1 ohm. STMicroelectronics recommends using a capacitor with a capacitance value between 10uF to 22uF.
  • The maximum allowed voltage drop across the output capacitor is typically around 1% to 2% of the output voltage. Exceeding this limit can affect the regulator's stability and output voltage accuracy. It's essential to choose an output capacitor with a low ESR and sufficient capacitance to minimize voltage droop.
  • The LDK715PU50R is rated for operation up to 150°C, but it's essential to consider the derating curves and thermal management guidelines provided in the datasheet. Ensure that the device is properly heatsinked, and the ambient temperature is within the recommended range to prevent overheating and ensure reliable operation.
  • To ensure stability, follow the recommended PCB layout, use a sufficient output capacitor with a low ESR, and avoid using capacitors with high ESL. Additionally, ensure that the input voltage is within the recommended range, and the device is properly decoupled from the input voltage source.

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LDK715PU50R 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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