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LE33CZ-AP - STMicroelectronics

Description: Very low-dropout voltage regulator with inhibit function

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LE33CZ-AP - STMicroelectronics - PCB symbol
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PCB Footprints
LE33CZ-AP - STMicroelectronics PCB footprint - Other - Other - TO-92(H=8.5mm)_ammo
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LE33CZ-AP - STMicroelectronics - 3D model - Other - TO-92(H=8.5mm)_ammo
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LE33CZ-AP Details

  • Manufacturer Part Number:

    LE33CZ-AP

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-92

  • Package Description:

    TO-92, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5.4

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.5 V

  • Dropout Voltage1-Nom:

    0.2 V

  • Input Voltage Absolute-Max:

    20 V

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4 V

  • JESD-30 Code:

    O-XBCY-T3

  • JESD-609 Code:

    e3

  • Line Regulation-Max:

    0.02%

  • 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:

    0.1 A

  • Output Voltage1-Max:

    3.432 V

  • Output Voltage1-Min:

    3.168 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    TO-92

  • Package Equivalence Code:

    SIP3,.1,50

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Packing Method:

    AMMO PACK

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Voltage Tolerance-Max:

    4%

LE33CZ-AP Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LE33CZ-AP near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 2-layer or 4-layer PCB with a solid ground plane is recommended.
  • To ensure stable output voltage regulation, it's essential to follow the recommended capacitor values and types, and to place the input and output capacitors close to the device. Additionally, ensure that the input voltage is within the recommended range, and that the output current is within the device's current rating.
  • Although the datasheet specifies a maximum input voltage of 15V, it's recommended to limit the input voltage to 12V to ensure reliable operation and to prevent overheating.
  • To protect the device from overcurrent and overheating, it's recommended to add an external current limiting resistor or a fuse in series with the input voltage, and to implement thermal monitoring and shutdown circuitry.
  • While the LE33CZ-AP is rated for operation up to 125°C, it's essential to ensure that the device is properly heat-sinked and that the ambient temperature is within the recommended range. Additionally, the device's power dissipation should be derated according to the temperature derating curve in the datasheet.

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LE33CZ-AP 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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