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LTC3129IUD#TRPBF - Analog Devices

Description: 15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3μA Quiescent Current

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LTC3129IUD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm s 3mm)
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LTC3129IUD#TRPBF - Analog Devices  - 3D model - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm s 3mm)
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LTC3129IUD#TRPBF Details

  • Manufacturer Part Number:

    LTC3129IUD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1700

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ADJUSTABLE OUTPUT MODE FROM 1.4 TO 15.75 VOLT; CURRENT MODE ALSO AVAILABLE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    1.92 V

  • Input Voltage-Nom:

    12 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

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.68 A

  • Output Voltage-Nom:

    4.1 V

  • 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

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1400 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LTC3129IUD#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC3129 is 40V, but it's recommended to keep it below 36V for reliable operation.
  • To optimize inductor selection, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating above the peak current of the converter and a DC resistance that minimizes losses.
  • A good PCB layout for the LTC3129 involves keeping the high-frequency nodes (e.g., SW, VIN, and VOUT) away from sensitive nodes (e.g., FB and SS), using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise.
  • To troubleshoot issues with the LTC3129, start by checking the input voltage, output voltage, and current. Verify that the component values and PCB layout match the recommended design. Use an oscilloscope to observe the waveforms and identify any anomalies. Consult the datasheet and application notes for guidance on specific issues.
  • The LTC3129 is rated for operation up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure that the device is properly heatsinked and that the thermal design is adequate for the specific application.

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LTC3129IUD#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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