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L99LD01TR-E - STMicroelectronics

Description: High Efficiency Constant Current Led Driver

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L99LD01TR-E - STMicroelectronics - PCB symbol
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L99LD01TR-E - STMicroelectronics PCB footprint - Quad Flat Packages - Quad Flat Packages - LQFP32
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L99LD01TR-E - STMicroelectronics - 3D model - Quad Flat Packages - LQFP32
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L99LD01TR-E Details

  • Manufacturer Part Number:

    L99LD01TR-E

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    LQFP-32

  • Manufacturer Package Code:

    LQFP 32 7x7x1.4

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PQFP-G32

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP32,.28SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.6 mm

  • Supply Current-Max:

    20 mA

  • Supply Voltage-Max:

    24 V

  • Supply Voltage-Min:

    5.6 V

  • Supply Voltage-Nom:

    13.5 V

  • Surface Mount:

    YES

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.75 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • fmax-Min:

    0.52 MHz

L99LD01TR-E Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4871, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • 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 47uF, and a voltage rating of at least 2x 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 ripple requirements.
  • The maximum ambient temperature for the L99LD01TR-E is 105°C, but it's recommended to derate the device's performance and consider thermal management strategies to ensure reliable operation at high temperatures.
  • Yes, the L99LD01TR-E is AEC-Q100 qualified and suitable for automotive and high-reliability applications. However, it's essential to follow the recommended design guidelines, testing, and validation procedures to ensure the device meets the specific requirements of your application.
  • STMicroelectronics provides a troubleshooting guide in the application note AN4871, which covers common issues, diagnostic techniques, and repair procedures. Additionally, consider using simulation tools and design validation techniques to identify potential issues before prototyping.

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L99LD01TR-E 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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