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LD49100PU15RY - STMicroelectronics

Description: 1 A, low quiescent current, low-noise voltage regulator with soft start - Automotive grade

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LD49100PU15RY - STMicroelectronics - PCB symbol
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LD49100PU15RY - STMicroelectronics PCB footprint - Small Outline No-lead - Small Outline No-lead - DFN6 (3x3) package outline-A
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LD49100PU15RY - STMicroelectronics - 3D model - Small Outline No-lead - DFN6 (3x3) package outline-A
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LD49100PU15RY Details

  • Manufacturer Part Number:

    LD49100PU15RY

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-6

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.4 V

  • Dropout Voltage1-Nom:

    0.2 V

  • Input Voltage Absolute-Max:

    7 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • JESD-30 Code:

    S-PDSO-N6

  • Length:

    3 mm

  • Line Regulation-Max:

    0.01%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    1.545 V

  • Output Voltage1-Min:

    1.455 V

  • Output Voltage1-Nom:

    1.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC6,.12,38

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR, 13 INCH

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.9 mm

  • Surface Mount:

    YES

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    3%

  • Width:

    3 mm

LD49100PU15RY Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4923, 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 voltage, and desired ripple current. A general guideline is to choose a capacitor with a capacitance value between 10uF to 22uF, and a voltage rating of at least 1.5 times the input voltage. Consult the application note AN4923 for more detailed guidance.
  • The maximum allowed voltage drop across the LD49100PU15RY is 1.5V. Exceeding this voltage drop may lead to reduced efficiency, increased heat generation, and potentially damage the device.
  • The LD49100PU15RY is rated for operation up to 150°C. However, the device's performance and reliability may degrade at high temperatures. It's essential to ensure proper thermal management and consider derating the device's output current and voltage according to the temperature derating curve provided in the datasheet.
  • Start by verifying the input voltage, output voltage, and output current are within the specified ranges. Check the PCB layout for thermal issues, and ensure proper heat sinking and airflow. Consult the application note AN4923 and the datasheet for troubleshooting guidelines and fault detection methods.

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LD49100PU15RY 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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