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LD1117STR - STMicroelectronics

Description: LD1117STR, Low Dropout Voltage Regulator, Adjustable 1.3A, 1.25 → 15 V ±1%, 4-Pin SOT-223

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PCB Footprints
LD1117STR - STMicroelectronics PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - ST SOT-223
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3D Models
LD1117STR - STMicroelectronics  - 3D model - SOT223 (3-Pin) - ST SOT-223
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LD1117STR Details

  • Manufacturer Part Number:

    LD1117STR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-223

  • Package Description:

    SOT-223, 4 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    1.2 V

  • Dropout Voltage1-Nom:

    1.1 V

  • Input-Output Voltage Differential-Max:

    13.75 V

  • Input-Output Voltage Differential-Min:

    1.5 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max (%/V):

    0.16

  • Load Regulation-Max(%):

    0.4%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    1.3 A

  • Output Voltage1-Max:

    15 V

  • Output Voltage1-Min:

    1.25 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.9 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.5 mm

LD1117STR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LD1117STR is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
  • To ensure the stability of the output voltage, it's recommended to use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms, and to keep the input capacitance as close to the regulator as possible.
  • The maximum output current that the LD1117STR can provide is 800mA, but it's recommended to keep it below 500mA for optimal performance and to prevent overheating.
  • To protect the LD1117STR from overheating, it's recommended to provide a heat sink or a thermal pad, and to keep the ambient temperature below 70°C. Additionally, it's recommended to keep the input voltage as low as possible and to use a low-ESR output capacitor.
  • The LD1117STR is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases. It's also recommended to use a heat sink or thermal pad to prevent overheating.

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LD1117STR 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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