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LDL112D12R - STMicroelectronics

Description: 1.2 A low quiescent current LDO with reverse current protection , 1.6V to 5.5V , 1 µF , -40°C to 125°C

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LDL112D12R - STMicroelectronics - PCB symbol
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PCB Footprints
LDL112D12R - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-8_2025-3.2
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LDL112D12R - STMicroelectronics - 3D model - Small Outline Packages - SO-8_2025-3.2
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LDL112D12R Details

  • Manufacturer Part Number:

    LDL112D12R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOP-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    0.5 V

  • Input Voltage Absolute-Max:

    7 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.6 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Line Regulation-Max:

    0.00468%

  • Load Regulation-Max:

    0.03%

  • Moisture Sensitivity Level:

    1

  • 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:

    1.2 A

  • Output Voltage1-Max:

    1.236 V

  • Output Voltage1-Min:

    1.164 V

  • Output Voltage1-Nom:

    1.2 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    3%

  • Width:

    3.9 mm

LDL112D12R Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the LDL112D12R application note (AN5323). It's essential to follow this layout to minimize noise, ensure proper thermal dissipation, and optimize the device's performance.
  • The output capacitor value depends on the specific application, output voltage, and desired ripple voltage. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 2x the output voltage. Consult the datasheet and application notes for more specific guidance.
  • The LDL112D12R has an absolute maximum input voltage rating of 18V. However, the recommended operating input voltage range is 4.5V to 15V. Exceeding the maximum input voltage can damage the device.
  • To ensure the LDL112D12R operates within the SOA, monitor the input voltage, output current, and junction temperature. Make sure to stay within the recommended operating conditions, and avoid exceeding the maximum ratings. Consult the datasheet and application notes for more information.
  • The thermal resistance (RthJA) of the LDL112D12R is 45°C/W. This value represents the thermal resistance from the junction to the ambient air. Proper thermal design and heat sinking are crucial to ensure the device operates within the recommended temperature range.

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LDL112D12R 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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