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LF50CV-DG - STMicroelectronics

Description: Very low drop voltage regulator with inhibit

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LF50CV-DG - STMicroelectronics - PCB symbol
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PCB Footprints
LF50CV-DG - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220 (dual gauge) _2020
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3D Models
LF50CV-DG - STMicroelectronics - 3D model - Transistor Outline, Vertical - TO-220 (dual gauge) _2020
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LF50CV-DG Details

  • Manufacturer Part Number:

    LF50CV-DG

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TO-220, 3 PIN

  • 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:

    6 V

  • JESD-30 Code:

    R-PSFM-T3

  • Length:

    10.2 mm

  • Line Regulation-Max:

    0.025%

  • Load Regulation-Max:

    0.025%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    5.2 V

  • Output Voltage1-Min:

    4.8 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    19.35 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.55 mm

  • Terminal Position:

    SINGLE

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    2%

  • Width:

    4.5 mm

LF50CV-DG Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4566, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The output capacitor selection depends on the output voltage, output current, and ripple requirements. A general guideline is to choose a capacitor with a capacitance value between 10uF to 100uF, and a voltage rating at least 1.5 times the output voltage. Additionally, consider the ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) of the capacitor to ensure it can handle the output current and frequency.
  • The LF50CV-DG is rated for operation up to 125°C ambient temperature, but it's recommended to derate the output current and voltage to ensure reliable operation. Consult the datasheet and application notes for specific derating guidelines.
  • Implement overvoltage protection (OVP) and undervoltage protection (UVP) circuits to prevent damage to the LF50CV-DG. OVP can be achieved using a voltage supervisor or a zener diode, while UVP can be implemented using a voltage detector or a brown-out detector.
  • A ceramic or film capacitor with a value between 1uF to 10uF is recommended for the input capacitor. The capacitor should be rated for the input voltage and have a low ESR to minimize noise and ensure stable operation.

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LF50CV-DG 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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