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LT3571EUD#TRPBF - Analog Devices

Description: Switching Voltage Regulators 75V DC/DC Converter for APD Bias

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LT3571EUD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3571EUD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm × 3mm
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LT3571EUD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm × 3mm
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LT3571EUD#TRPBF Details

  • Manufacturer Part Number:

    LT3571EUD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1691

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    0.57 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    2.2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2300 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LT3571EUD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3571EUD involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • The compensation network for the LT3571EUD involves selecting the right values for the compensation resistors and capacitors. A good starting point is to use the values recommended in the datasheet, and then adjust them based on the specific application requirements and the desired transient response.
  • The maximum input voltage that the LT3571EUD can handle is 42V, but it's recommended to keep the input voltage below 36V to ensure reliable operation and to prevent damage to the IC.
  • To ensure the stability of the LT3571EUD, it's essential to follow the recommended PCB layout guidelines, use the correct compensation network, and ensure that the input and output capacitors are of high quality and have low ESR. Additionally, the input voltage should be well-regulated, and the output load should be within the recommended range.
  • The thermal derating curve for the LT3571EUD is not explicitly provided in the datasheet, but it can be estimated based on the maximum junction temperature (150°C) and the thermal resistance of the package (45°C/W). A good rule of thumb is to derate the output current by 1.5mA/°C above 25°C.

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LT3571EUD#TRPBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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