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LF25CDT-TR - STMicroelectronics

Description: LF25CDT-TR, Low Dropout Voltage Regulator, 0.5A, 2.5 V ±2%, 3-Pin DPAK

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PCB Footprints
LF25CDT-TR - STMicroelectronics PCB footprint - Other - Other - DPAK_05
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LF25CDT-TR - STMicroelectronics  - 3D model - Other - DPAK_05
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LF25CDT-TR Details

  • Manufacturer Part Number:

    LF25CDT-TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-252

  • Package Description:

    DPAK-3/2

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.7 V

  • Dropout Voltage1-Nom:

    0.4 V

  • Input Voltage Absolute-Max:

    40 V

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    3.5 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.012%

  • Load Regulation-Max:

    0.012%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    2

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    2.6 V

  • Output Voltage1-Min:

    2.4 V

  • Output Voltage1-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-252

  • Package Equivalence Code:

    SMSIP3H,.38,90TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    2.4 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.28 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    6.1 mm

LF25CDT-TR Frequently Asked Questions (FAQs)

  • A good PCB layout for the LF25CDT-TR should include a solid ground plane, wide traces for power and ground, and a thermal relief pattern under the device to facilitate heat dissipation.
  • To ensure proper biasing, connect the input voltage (VIN) to a stable voltage source, and decouple it with a 10uF capacitor to ground. Also, ensure the output voltage (VOUT) is properly filtered with a 10uF capacitor to ground.
  • A 10uF to 22uF X7R or X5R ceramic capacitor is recommended for the input capacitor (CIN) to ensure stable operation and minimize input voltage ripple.
  • Use a voltage supervisor or a reset IC to monitor the input voltage and reset the system if it falls outside the recommended operating range (2.5V to 5.5V). Additionally, consider adding overvoltage protection (OVP) and undervoltage protection (UVP) circuits to prevent damage from voltage transients.
  • The maximum allowed power dissipation for the LF25CDT-TR is 1.5W. Ensure that the device is properly heat-sinked and the ambient temperature is within the recommended operating range (–40°C to 125°C) to prevent overheating.

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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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