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LD1117S50 - STMicroelectronics

Description: Low drop fixed and adjustable positive voltage regulators

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LD1117S50 - STMicroelectronics PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - SOT-223
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LD1117S50 - STMicroelectronics  - 3D model - SOT223 (3-Pin) - SOT-223
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LD1117S50 Details

  • Manufacturer Part Number:

    LD1117S50

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-223

  • Package Description:

    SOT-223, 4 PIN

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1.2 V

  • Dropout Voltage1-Nom:

    1.1 V

  • Input Voltage Absolute-Max:

    15 V

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    6.5 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.01%

  • Load Regulation-Max:

    0.015%

  • 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:

    5.1 V

  • Output Voltage1-Min:

    4.9 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED 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):

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    3.5 mm

LD1117S50 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LD1117S50 is 15V, but it's recommended to keep it below 12V for reliable operation.
  • The LD1117S50 has a maximum operating junction temperature of 125°C, but it's recommended to keep it below 85°C for reliable operation. Above 85°C, the output voltage may drop and the regulator may enter thermal shutdown.
  • To ensure stability, make sure to use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms. Also, keep the input and output capacitors close to the regulator and use short, wide traces to minimize inductance.
  • The LD1117S50 has a maximum output current of 800mA, but it's recommended to keep the output current below 500mA for reliable operation. Above 500mA, the regulator may enter thermal shutdown or the output voltage may drop.
  • The power dissipation of the LD1117S50 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Make sure to keep the power dissipation below the maximum rating of 2.2W.

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LD1117S50 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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