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LTC3569IUD#PBF - Analog Devices

Description: Triple Buck Regulator with 1.2A and Two 600mA Outputs and Individual Programmable References

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LTC3569IUD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3569IUD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package 20-Lead Plastic QFN (3mm × 3mm)
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3D Models
LTC3569IUD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UD Package 20-Lead Plastic QFN (3mm × 3mm)
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LTC3569IUD#PBF Details

  • Manufacturer Part Number:

    LTC3569IUD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LEAD FREE, PLASTIC, QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1720

  • 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:

    BURST MODE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.11SQ,16

  • 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):

    0.365 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LTC3569IUD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3569IUD#PBF 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. Additionally, it's recommended to use a separate analog ground plane and to keep the power traces away from the analog signals.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the input voltage with a capacitor and to use a low-impedance output capacitor.
  • The maximum input voltage that the LTC3569IUD#PBF can handle is 15V. Exceeding this voltage can damage the IC. It's recommended to use a voltage regulator or a voltage limiter to ensure the input voltage stays within the recommended range.
  • The LTC3569IUD#PBF is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. It's recommended to use a heat sink or a thermal management system to keep the IC's temperature within the recommended range.
  • To troubleshoot issues with the LTC3569IUD#PBF, start by checking the input voltage and current, and ensuring that the component values and PCB layout meet the recommended guidelines. Use an oscilloscope to check the output voltage and current waveforms, and look for signs of oscillation or instability. Check the datasheet for troubleshooting guidelines and application notes.

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LTC3569IUD#PBF 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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