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LDK320AM25R - STMicroelectronics

Description: 200 mA low quiescent current and high PSRR voltage regulator

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LDK320AM25R - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT23-5L mechanical data (option A)
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LDK320AM25R - STMicroelectronics  - 3D model - SOT23 (5-Pin) - SOT23-5L mechanical data (option A)
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LDK320AM25R Details

  • Manufacturer Part Number:

    LDK320AM25R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOT-23, 5-PIN

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    1 V

  • Input Voltage Absolute-Max:

    20 V

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    2.5 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.018125%

  • Load Regulation-Max:

    0.014925%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.2 A

  • Output Voltage1-Max:

    2.5375 V

  • Output Voltage1-Min:

    2.4625 V

  • Output Voltage1-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    1.5%

  • Width:

    1.6 mm

LDK320AM25R Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN2669, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The input capacitor values depend on the input voltage, output voltage, and output current. A general guideline is to use a minimum of 10uF ceramic capacitor with a voltage rating of at least 2x the input voltage. However, it's recommended to consult the application note AN2669 and perform simulations to determine the optimal capacitor values for your specific design.
  • While the datasheet specifies an operating temperature range of -40°C to 150°C, the maximum ambient temperature for reliable operation is typically around 125°C. Exceeding this temperature may affect the device's reliability and lifespan.
  • To ensure proper power-up and power-down, follow the recommended power-up sequence in the datasheet, and make sure to provide a clean and stable input voltage. Additionally, use a soft-start circuit to limit the inrush current and prevent voltage spikes.
  • To minimize EMI, use a combination of filtering and shielding techniques, such as adding ferrite beads, chokes, and capacitors to the input and output lines, and using a metal shield around the device. Consult the application note AN2669 for more detailed guidelines on EMI reduction.

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LDK320AM25R 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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