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L99LD02Q505TR - STMicroelectronics

Description: Boost Regulator Positive Output Step-Up SPI DC-DC Controller IC 32-QFN (5x5)

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L99LD02Q505TR - STMicroelectronics - PCB symbol
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PCB Footprints
L99LD02Q505TR - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN-32L 5x5.
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3D Models
L99LD02Q505TR - STMicroelectronics - 3D model - Quad Flat No-Lead - QFN-32L 5x5.
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L99LD02Q505TR Details

  • Manufacturer Part Number:

    L99LD02Q505TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    QFN-32

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Additional Feature:

    ALSO HAS A CONTROL TECHNIQUE OF PFM.

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    5.5 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    S-XQCC-N32

  • Length:

    5 mm

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    80 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    22 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    470 kHz

  • Technology:

    CMOS

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

L99LD02Q505TR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN2663, which includes guidelines for thermal pad connection, copper pour, and via placement to ensure optimal thermal performance.
  • The datasheet provides a list of recommended external components, including capacitors, resistors, and inductors. Additionally, STMicroelectronics offers a dedicated tool, the L99LD02Q505TR Component Selector, to help engineers select the correct components based on their specific application requirements.
  • The L99LD02Q505TR has an operating temperature range of -40°C to 150°C, but the maximum junction temperature (TJ) should not exceed 150°C. Engineers should ensure proper thermal management to prevent overheating and ensure reliable operation.
  • The L99LD02Q505TR has a built-in overcurrent protection feature. Engineers can set the overcurrent threshold using the OCP pin and an external resistor. The datasheet provides detailed information on how to implement overcurrent protection and calculate the required resistor value.
  • The recommended startup sequence for the L99LD02Q505TR is to first apply the input voltage, then the enable signal (EN), and finally the clock signal (CLK). This sequence ensures proper initialization and prevents unwanted behavior.

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L99LD02Q505TR 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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